Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

Baseret på 160,617 bedømmelser, giver vores klienter os Full Stack Developers 4.9 ud af 5 stjerner.
Ansæt Full Stack Developers

Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

Baseret på 160,617 bedømmelser, giver vores klienter os Full Stack Developers 4.9 ud af 5 stjerner.
Ansæt Full Stack Developers

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    95 jobs fundet
    €403 Gns Bud
    198 bud

    I’m launching a personal-finance education platform and need a developer who can take the entire build from concept to live site. The scope covers both front-end and back-end work: a clean, modern, responsive interface for desktop and mobile, secure user sign-up/login, a lightweight admin panel, and a blog engine that can later expand into paid-membership features. I already have a set of reference sites that capture the look and feel I want, and I’ll share those mock-ups as soon as we start so you have clear visual direction. Because I don’t have a technical background, I’m relying on you to recommend the best stack—whether that ends up being WordPress with a custom theme, a no-code tool like Bubble or Webflow, or a fully custom build. Whichever route you ...

    €466 Average bid
    €466 Gns Bud
    78 bud

    I’m building a secure, full-featured e-commerce solution that runs smoothly on iOS, Android, and the Web. The core stack can lean on Python for the API layer, with Java or C++ wherever high-performance modules make sense, but I’m open to a workflow you can justify that keeps code clean, well-documented, and easy to maintain. Core scope The first release must cover user account management (registration, login, password reset, profile editing) and end-to-end payment processing with major gateways. A responsive storefront, basic product catalogue, and an admin dashboard will round out the MVP. UX consistency across mobile and web is essential, and I’d like to see thoughtful error handling, secure data storage, and unit tests from day one. Deliverables for this milestone ...

    €482 Average bid
    €482 Gns Bud
    195 bud

    I’m in the middle of a CROMA overhaul and the single, driving objective is to refresh existing features by squeezing every last millisecond out of them. No new bells and whistles—just a focused performance pass aimed at raw speed. Here’s the picture: React on the client side, Node.js/Express talking to a MongoDB cluster, all containerized in Docker and running on AWS ECS. I already have baseline profiling data and a staging environment waiting; once we start, you’ll get full access so you can re-profile, isolate the slow spots, and rewrite or refactor whatever is holding us back. Deliverables • A set of well-commented code changes or configuration tweaks • A before-and-after benchmark report (same test suite, same hardware) showing at least a 35 % dr...

    €10 / hr Average bid
    €10 / hr Gns Bud
    18 bud

    I have an app concept that I want to bring to life as a fully functioning web application. I already have the core idea in place, but I need an experienced developer to guide the technical direction, choose an appropriate stack, and build the first working version. Here’s what I expect from our collaboration: • Help me refine requirements and map out the feature set. • Recommend the best frameworks, libraries, and hosting approach based on long-term scalability. • Develop clean, well-documented code and set up version control from day one. • Keep me in the loop with frequent check-ins, so we can iterate quickly and avoid surprises. • Hand over a deployable, bug-free web app and any setup documentation I’ll need to maintain it. If you’re ...

    €16 / hr Average bid
    €16 / hr Gns Bud
    155 bud

    This is PHASE 2 of an already existing project. I need a full-stack Flutter application that runs smoothly on iOS, Android, and the web, allowing landlords in Cameroon (and ultimately all of Africa) to publish room listings while tenants browse, filter, and book viewings. Every booking fee will be held in an escrow wallet until the viewing is completed, so the payment flow has to be airtight and auditable. Core experience • Room listing with powerful search and filters • Secure booking tied to an escrow payment workflow • Rating and review system that lets both sides build trust Additional engagement features Push notifications must alert users to new listings, booking confirmations, and escrow releases. In-app messaging should let landlords and tenants coordinate details ...

    €965 Average bid
    €965 Gns Bud
    269 bud

    Company Description Authem is India's 1st real-time marketplace for limited edition sneakers, streetwear, and collectibles. Using a bid/ask system, we let buyers and sellers set real market prices, no arbitrary markups, no guesswork. Every item is thoroughly verified for authenticity before it reaches your hands, so you can trade with complete confidence. Whether you're hunting grails or moving pieces from your collection, AUTHEM gives you control, protection, and honest pricing in a market that's needed it for years. The Role We're looking for a skilled Full Stack Developer to build our marketplace platform from the ground up and own its ongoing development and maintenance. This is a unique opportunity to be the founding technical team member of an exciting startup, w...

    €1175 Average bid
    €1175 Gns Bud
    29 bud

    ✅ Full-Stack WordPress Developer (Custom Builds Only) Hello, I’m looking for an experienced full-stack WordPress developer who builds true custom websites — not templates, not page builders, and not boxed layouts. I’m specifically looking for someone who understands how to design and develop wide, fluid layouts that adapt properly to every screen size. ✅ What I’m Looking For ✔ Strong experience building custom WordPress websites from scratch ✔ No page builders (Elementor, Divi, WPBakery, etc.) ✔ Minimal plugins, clean structure, and smart use of custom fields ✔ Ability to build full-width, elastic, responsive layouts ✔ Solid understanding of SEO fundamentals (structure, performance, meta tags) ✔ Websites that scale cleanly across all screen sizes ✔ Clear commun...

    €892 Average bid
    €892 Gns Bud
    248 bud
    Web App Development Support
    6 dage left
    Godkendt

    I have an app concept that I want to bring to life as a fully functioning web application. I already have the core idea in place, but I need an experienced developer to guide the technical direction, choose an appropriate stack, and build the first working version. Here’s what I expect from our collaboration: • Help me refine requirements and map out the feature set. • Recommend the best frameworks, libraries, and hosting approach based on long-term scalability. • Develop clean, well-documented code and set up version control from day one. • Keep me in the loop with frequent check-ins, so we can iterate quickly and avoid surprises. • Hand over a deployable, bug-free web app and any setup documentation I’ll need to maintain it. If you’re ...

    €18 / hr Average bid
    €18 / hr Gns Bud
    220 bud

    I’m building an end-to-end lending experience for iOS that feels as smooth as Slice or Moneyview. The job covers both sides of the stack: a sleek native iOS front end and a secure, scalable back end with the APIs that power it. On the user side the flow is simple but must be rock-solid. A new customer signs up with email/password, can just as easily use a social account, and once inside can enable Face ID or Touch ID so returning is frictionless. They complete a loan application form, the system instantly checks eligibility, returns an approved amount (or declination), shows a clear repayment schedule, and later lets them review every past loan in a dedicated history screen. I need the full technical delivery: • iOS app (Swift or SwiftUI preferred) that implements the entire j...

    €52337 Average bid
    €52337 Gns Bud
    25 bud
    Hotel Booking Platform Build
    9 timer left
    Godkendt

    I’m ready to commission a full-stack web application that lets travelers search, compare, and book hotels much like they would on Expedia or , but focused solely on hotel inventory. The core flow I need is straightforward: guests browse properties, check real-time availability, choose a room, and complete payment in as few clicks as possible. Scope of work • Hotel booking engine – search (location, dates, guests), filter and sort results, detailed room pages with photos, amenities, price breakdown, and an availability calendar that locks inventory once the user reaches checkout. • Secure checkout – PCI-compliant card processing, promo codes, and email confirmations with itinerary details. • User roles – – Guest users may browse freely...

    €8428 - €16857
    Fremhævet Haster Forseglet NDA
    €8428 - €16857
    105 bud

    I’m ready to launch an e-commerce site and I need a full-stack developer who can take a fresh WordPress install and turn it into a fully functioning WooCommerce store. The build must include secure user accounts with editable profiles, fast product filtering and search across the catalogue, and a seamless payment-gateway integration (Stripe and PayPal to start). Beyond those essentials, I’ll rely on you to configure a responsive theme, optimise load times, set up tax and shipping rules, and handle the migration from staging to production once everything is approved. Clean, well-commented code is important whenever WooCommerce hooks or custom PHP/JS are required. Deliverables • WooCommerce store running on my host’s staging sub-domain, fully tested • Migrat...

    €281 Average bid
    €281 Gns Bud
    266 bud

    We are seeking a talented Full Stack Automation Engineer to join our team. The ideal candidate will have experience in building and maintaining automation frameworks, as well as hands-on knowledge of both front-end and back-end technologies. You will work closely with our development and QA teams to enhance our automation processes and improve overall project efficiency. Key Requirements: - Experience with Python, JavaScript, Java, Node.js - API integration and development - Front-end and back-end automation - CRM web form automation experience preferred - Strong problem-solving skills Project Duration: 1 to 3 months Hours: Less than 30 hrs/week

    €9 / hr Average bid
    €9 / hr Gns Bud
    125 bud
    Full-Stack E-Commerce Build
    6 dage left
    Godkendt

    I’m building a new e-commerce website and need an experienced full-stack developer who can take it from empty repo to production-ready. Core to the project is a smooth, secure user account system with fully functional wish lists, and the entire checkout flow must run through PayPal. I already have product data and basic wireframes; what I need from you is the complete application layer—frontend, backend, database schema, and deployment pipeline. Clean, well-documented code and clear commit history are important to me because I’ll be maintaining the project after launch. Please let me know: • Which stack you’d propose and why it suits an e-commerce build focused on PayPal. • A realistic timeline to deliver an MVP with user accounts, wish lists, and Pa...

    €5876 Average bid
    €5876 Gns Bud
    173 bud

    Full-Stack Developer Needed for End-to-End Application Development We are looking for an experienced Full-Stack Developer to build and maintain scalable web and mobile applications. The role involves delivering complete technical solutions aligned with business requirements and handling the full software development lifecycle independently. Responsibilities Design, develop, and maintain scalable web and mobile applications Build custom websites and e-commerce solutions based on business needs Integrate third-party APIs into existing systems Analyze project requirements to guide technical decisions Optimize applications for performance, usability, and search visibility Design and implement efficient data structures and algorithms Develop and manage databases with a focus on integrity and ...

    €901 Average bid
    €901 Gns Bud
    288 bud

    I need help analyzing a collection of text-based data for an ongoing research project. My background is in artificial intelligence and data science, yet I want a fresh perspective on exploratory analysis, pattern discovery, and interpretation so the insights are both rigorous and clearly actionable. The core task is straightforward: ingest the raw text files I provide, clean and structure them appropriately, then run exploratory and statistical analyses that reveal key themes, sentiment trends, and any significant correlations you uncover. Feel free to use Python with pandas, NumPy, NLTK, spaCy, or other standard NLP and data-analysis libraries—whatever you are most comfortable with as long as the workflow is reproducible. Because I don’t have a hard deadline, quality and cla...

    €8 / hr Average bid
    €8 / hr Gns Bud
    20 bud

    We are , and we are looking for top-tier freelance talent to take our platform to the next level. We have immediate openings for experienced professionals who can deliver results fast. 1. Full Stack Web Developer • The Mission: Optimize our current site architecture and implement new features. • Requirements: Strong command of [Insert Stack, e.g., React/Node.js or WordPress/PHP], database management, and ensuring a fast, mobile-responsive UI. • Must Have: A portfolio of live websites with excellent performance scores. 2. SEO Specialist • The Mission: Drive organic traffic and generate high-quality leads. • Requirements: Expert in On-Page & Off-Page SEO, keyword strategy, technical SEO audits, and link building. • Must Have: Case studies showing proven rank...

    €30 Average bid
    €30 Gns Bud
    25 bud

    I have the concept, screens, and brand direction for a new social network; what I need now is a skilled full-stack developer who can bring everything to life across Web, iOS, and Android. Scope The build covers a responsive website plus companion mobile apps that share a common back-end. Core features for the first release are already defined: rich user profiles, a real-time messaging system, and in-app notifications. I will supply wireframes and a feature backlog; your job is to turn them into production code, deploy the infrastructure, and ready the apps for the App Store, Google Play, and live web hosting. Key responsibilities • Architect and implement the back-end (database, authentication, REST/GraphQL API, push notifications). • Build the front-end UI for Web, iOS, ...

    €501 Average bid
    €501 Gns Bud
    55 bud

    The Role We are looking for a skilled Full-Stack Developer to join our growing dev team. You will be working alongside our existing developers to build out new features, optimize performance, and scale our vehicle marketplace platform. We need someone who is comfortable jumping into a mature codebase, collaborating via Git, and contributing to a high-quality TypeScript environment. Technical Stack Frontend: (React), TypeScript. Styling: Tailwind CSS & Bootstrap (handling a hybrid UI environment). Backend: Node.js / NestJS. Database: MongoDB. Tools: Git/GitHub, Vercel, and experience with AI-assisted coding (Cursor, Lovable, etc.) is a major plus. Key Responsibilities Feature Development: Collaborate with the team to ship new frontend components and backend endpoints. Data Hand...

    €6 / hr Average bid
    €6 / hr Gns Bud
    83 bud

    - Independent freelancers only; no agencies or software firms - Fluent in Replit, Cursor and other AI-first tools - Fluent in English; this startup will be a highly collaborative project - Co-ordinating the full stack is the single toughest piece, so I need someone comfortable orchestrating frontend, backend and infrastructure in parallel. - Attached is a detailed technical specification If you are interested, please review the attached specs closely and let me know if you genuinely fit the project. I'm planning to have video calls in the week ahead once I have made a shortlist.

    €13 / hr Average bid
    €13 / hr Gns Bud
    56 bud

    Build a clean, modern, premium LMS platform with strong UX that supports: • Cohort-based live learning • Recorded lectures • Assignments & submissions • Basic gamification • Mentorship workflows This is Phase 1 (MVP). We will scale further after validation. ⸻ Scope of Work (MVP) Core Platform • User authentication (student, mentor, admin roles) • Student dashboard • Course/module structure • Progress tracking • File upload (assignment submission) • Admin panel for content management Live Learning • Zoom integration (API-based preferred) • Lecture recordings access Engagement • Points system • Leaderboard (basic) • Student profile progress Automation • Email notifications (transa...

    €490 Average bid
    €490 Gns Bud
    25 bud

    I need a full-scale online marketplace dedicated to farm equipment that lets buyers and sellers find one another and transact quickly. The core of the build is a web platform where both user types can register, create profiles, and immediately begin interacting. The essential features are: • Product listings with photos, specs, pricing, and location tags • Buyer–seller messaging so parties can negotiate in real time • Integrated payment processing (escrow or direct checkout) for secure transactions • A smart matching function that suggests the right buyers or sellers based on stated needs On the backend I expect a clean admin dashboard to approve listings, manage disputes, and track payments. The front end should be responsive so farmers can use it com...

    €40 Average bid
    €40 Gns Bud
    33 bud

    I need a comprehensive Fintech website with robust account aggregator integration. The site should support user account management and have a dedicated platform for agents. Key Requirements: - User Roles: Customers, Agents, Administrators - Functionalities: - User account management - Plus agent platform - Account Aggregator Integration: - Bank accounts - Investment accounts - Credit card accounts Ideal Skills and Experience: - Strong background in Fintech website development - Experience with account aggregation technologies - Proficiency in building multi-user role platforms - Familiarity with secure user account management systems Please provide portfolios showcasing similar projects.

    €242 Average bid
    €242 Gns Bud
    43 bud

    Lead AI / Fullstack Engineer — Project "AZIZA" (Voice-to-Voice AI) ​Project Name: AZIZA Format: Project-based / Remote (with access to local GPU clusters) Tech Stack: PersonaPlex (Moshi-based architecture), PyTorch, TensorRT-LLM, FastAPI, WebRTC, Telegram Mini App (TMA). Hardware Location: Uzbekistan & Turkey clusters powered by NVIDIA L40S ​Project Overview ​AZIZA is an innovative multimodal "Speech-to-Speech" (S2S) ecosystem designed to simulate natural human interaction. We are building an AI assistant that seamlessly transitions between roles: an expert tutor (Chemistry, History, Biology), an empathetic companion, and a simultaneous translator. By processing audio tokens directly, the system achieves unprecedented interaction speeds. ​Current Status: The ...

    €1022 Average bid
    €1022 Gns Bud
    62 bud

    Full-Stack Developers Needed – Large Education Discovery & Admission Platform (Long-Term Project) Project Summary We are building a large, data-driven education discovery and admission platform that helps students search colleges, courses, and entrance exams; compare institutions; access counselling; read reviews; and track admissions. This is a long-term product, not a basic website. Development will happen in structured phases with continuous feature expansion. Mobile apps will be developed later, so backend architecture must be scalable and API-first. We are looking for dedicated developers or a small team interested in growing with a startup-stage platform. Engagement Model Hourly Budget: $4/hour Long-term engagement Phase-based development Continuous work opportunit...

    €5 / hr Average bid
    €5 / hr Gns Bud
    46 bud

    Fix: Production Blank Screen on Replit-Deployed Full-Stack App (Dev Works Fine) Tech Stack: React 19, Vite 7, TailwindCSS 4, Node.js 20, Express 4, TypeScript, PostgreSQL (Neon), Drizzle ORM. Hosted on Replit (Autoscale deployment). The Problem: The app works perfectly in development mode, but after deploying to production on Replit, the browser shows a blank/white screen. No visible errors in the browser console (or provide any you do see). Build Process: Vite builds the frontend to dist/public, esbuild bundles the server to dist/index.js. Express serves the static files in production. The build command is npm run build && npm run db:push, and the production run command is node dist/index.js. What I Need: Diagnose why the production build renders a blank screen Fix the issue ...

    €21 Average bid
    €21 Gns Bud
    31 bud
    Humanoid AI Infant-Care Robot
    5 dage left
    Godkendt

    I am embarking on a full-stack build of a humanoid companion robot whose number-one mission is caring for an infant from birth through age five. Beyond the usual chore-support and graceful household navigation, the robot must excel at three core caregiving abilities: • Feeding – from bottle to basic solids, with portion control, temperature checks, and spill detection. • Diaper changing – autonomous removal, cleaning, and secure re-diapering, tracked in a hygiene log. • Health monitoring – continuous vitals, posture, and environmental safety checks, with instant mobile alerts. Rich, natural interaction is essential. The robot should talk and sing lullabies, entertain with simple games, and read stories or show age-appropriate educational content...

    €3972 Average bid
    NDA
    €3972 Gns Bud
    42 bud

    Full Stack Dev Needed: Repair , and Logic and AI Calling Module We are building an AI-powered lead generation platform. The frontend UI is already designed (Lovable), but the backend logic, AI calling flow, and API handshake are not fully wired correctly. We need a senior full-stack developer who can audit, fix, and complete the system so it works end-to-end. This is not a design role. This is implementation + integration. What the Platform Is Supposed to Do: - Super AI Business Search: Search Google Maps / Yelp / Bing, run AI analysis on businesses, generate prioritized leads - Agency Lead Finder: Identify businesses that need web design, SEO, ads, etc. Critical Flow That Must Work: - User must either enter their phone number to receive AI calls OR pay to use the calling feature - S...

    €6 / hr Average bid
    €6 / hr Gns Bud
    50 bud

    Full-stack engineer (Supabase & Stripe) - Help needed to audit, clean up, and stabilize a consumer web app We're looking for a strong, product-minded full-stack engineer to help audit, clean up, and stabilize a consumer web app built on a Lovable (no-code / low-code) frontend with Supabase and Stripe. This is hands-on debugging and systems cleanup, not a greenfield build or design task. We need someone who can jump in, understand an existing codebase quickly, and fix real state and integration issues. What you'll work on: - Auditing and fixing Supabase auth and user state - Ensuring Stripe subscription and webhook logic is correct and idempotent - Cleaning up frontend and backend state mismatches - Verifying content unlock and entitlement logic works correctly for paid use...

    €19 / hr Average bid
    €19 / hr Gns Bud
    179 bud

    I need a versatile full-stack developer with 2–5 years of hands-on experience who can move comfortably between back-end logic and front-end polish. On the server side you’ll work mainly in Python, building and extending services written in Django and Flask, so solid understanding of ORM, RESTful patterns, middleware and deployment on Linux-based environments is critical. The front-end layer is flexible. If you are productive with React, Angular, Vue or a comparable framework and can translate product ideas into clean, responsive interfaces, that works for me—what matters is the quality of the user experience you deliver. Creativity, readable code and proactive communication are essential. I tend to sketch concepts loosely and rely on you to flesh them out, suggest impro...

    €3240 Average bid
    €3240 Gns Bud
    27 bud

    I have a queue of ongoing web applications that need extra hands right away. Everything is full-stack: html template for front end Laravel powers the back end, so you should feel equally comfortable jumping between components, blades, controllers, and API endpoints. During the first phase you will connect to my development machine through AnyDesk or TeamViewer. From there you’ll reach the private servers and scripts you’ll be updating. Each task arrives in a concise ticket that includes screenshots, a short problem statement, and acceptance notes; I’ll be online to clarify anything in real time. Up to five tickets can be open at the same time. As you add or refactor code, please: • keep formatting consistent with the existing style guide, • write brief doc-...

    €7 / hr Average bid
    €7 / hr Gns Bud
    106 bud

    I need a full-stack developer to build a website in Node.js that cleanly presents three core areas—business listings, a blog section, and a product showcase—supported by a secure admin panel. The admin area must let me create, update, and archive content for each of those modules using a straightforward email-and-password login flow. Visual direction is modern and minimalist: lots of white space, clear typography, subtle accents, and a layout that feels snappy on both desktop and mobile. I’m happy for you to pick the most suitable Node.js framework (Express, Nest, Next, etc.) and database, as long as the code is modular and easy for another developer to pick up later on. Key deliverables: • Responsive public site with the three content sections wired to dynam...

    €258 Average bid
    €258 Gns Bud
    102 bud

    We are looking for a skilled Full-Stack Developer to help diagnose and resolve bugs in a baby clothing designer app currently in closed testing, built with React and Node.js and wrapped using Capacitor for mobile deployment. The application is maintained in Replit. This is an existing app with a defined feature set. The focus of this role is on debugging front-end and back-end issues, improving performance and stability, resolving Capacitor-related issues including builds, plugins, and mobile behavior, and polishing the app in preparation for broader release. You will work directly with the product owner and be provided clear reproduction steps and priorities. Experience with React, Node.js, Capacitor, and comfort working in Replit is important.

    €12 / hr Average bid
    €12 / hr Gns Bud
    225 bud

    Hi! I’m looking to build a complete Rocket League boosting website from scratch, not just a basic theme website. Main goal: A modern dark esports-style website with a full advanced boosting order system. Core features required: 1. Advanced Boosting Calculator * Select current rank and desired rank * Select queue (1v1 / 2v2 / 3v3) * Solo Boost or Duo Queue * Platform selection (PC / PlayStation / Xbox) * Optional extras (stream option, offline mode, VIP priority, specific booster, express delivery, etc.) * Live price updates instantly based on selections * Promo code system 2. Order Flow * Right-side live summary panel * Secure checkout (Stripe required, PayPal optional) * Order confirmation page after payment * Contact via Discord as main communication 3. Website Pages * Home...

    €485 Average bid
    €485 Gns Bud
    170 bud

    I’m building PulseTv, a live-streaming platform, and while I handle most of the core backend work, I need another set of hands to push the project over the finish line on both sides of the stack. Current stack & context • Database: MySQL • Realtime layer: native WebSocket connections for chat-bot hooks and audience messaging • Frontend preference: (React) • Streaming layer still pending: HLS and RTMP What I need from you 1. Frontend – Craft a responsive, clean UI in Next.js. – Set up solid state management (Redux, Zustand, or your preferred option) so chat, viewer counts, and live status stay perfectly in sync. – Wire everything to the existing REST and WebSocket endpoints. 2. Streaming features – Confi...

    €165 Average bid
    €165 Gns Bud
    93 bud

    Responsible for designing, developing, testing, and maintaining software applications that meet business and user requirements. Collaborates closely with designers, product managers, and other developers to deliver efficient, scalable, and high-quality code. Key Responsibilities: Write clean, efficient, and well-documented code using languages such as JavaScript, Python, Java, PHP, or C# Develop and maintain web applications, APIs, and backend services Translate UI/UX designs and business requirements into functional code Debug, troubleshoot, and optimize existing applications for performance and scalability Conduct unit testing and participate in code reviews to ensure quality standards Integrate third-party APIs, databases, and external services Maintain version control using Git...

    €13 / hr Average bid
    €13 / hr Gns Bud
    126 bud
    Our Startup Dream Team 2
    4 dage left
    Godkendt

    I’m assembling the core team for a brand-new, bootstrapped startup. Funding will come later; for now I need people who see the long-term vision, crave recognition, and are ready to put real skin in the you are looking for money then dont bid. If you are looking for value for now and money later then. Welcome to the team brother and sisters. Technical minds will drive our product from zero to MVP. If you live and breathe full-stack development, can craft a rock-solid mobile app, or know how to turn raw data into insight with data science and engineering skills, your expertise is exactly what I want shaping our architecture. Creative energy is just as vital. Graphic designers, content writers, and video producers will define our brand, voice, and story across every touchpoint. From...

    €2 / hr Average bid
    €2 / hr Gns Bud
    22 bud

    Project Description: ENGINE (Start your proposal with this word to confirm you’ve read the technical requirements) also for those that have the option initialize a private message to get the ball rolling. We are seeking a high-level Full-Stack Engineer to finalize a premium Email Marketing & Automation platform. The UI/UX is approximately 85% built (both Light & Dark modes are complete), but we are moving on from a previous developer due to poor code quality, lack of documentation, and a lack of attention to detail. We need this production-ready in 14 to 30 days. We are looking for a "finisher" who can deliver clean, documented, and high-performance features daily. Management & Quality Standards: Vercel Staging: You must maintain a Vercel staging environment...

    €314 Average bid
    €314 Gns Bud
    182 bud

    Hello , We are seeking an experienced .NET Trainer / Senior Developer to conduct an intensive classroom-based training program for final-year engineering students. Location Gudivada, Andhra Pradesh (Onsite) Batch Size 30–40 students Duration 15–16 days Daily Schedule 9:00 AM – 1:00 PM 1:30 PM – 4:30 PM Responsibilities Deliver hands-on training covering: C# fundamentals ASP.NET Core Web API Entity Framework Core SQL Server Authentication and Authorization Industry-standard architecture and best practices Guide students through a real-world industry project Share professional development and interview preparation insights Assign daily exercises and conduct code reviews Requirements Minimum 5 years of experience with .NET / ASP.NET Core Prior corporate training...

    €5974 Average bid
    €5974 Gns Bud
    11 bud

    I’m building a general-purpose web application with a strong focus on clean front-end interactions and a reliable back-end architecture. The technology stack is intentionally simple and practical: TypeScript on the client side and Python on the server side. I handle product direction and overall architecture, and I’m looking for a Russian-speaking freelance developer who can work as a true full-stack partner. The work spans the entire stack—one day refining a React component, the next implementing a FastAPI endpoint, and occasionally helping shape core backend workflows. What I’m looking for Strong experience with TypeScript and modern front-end frameworks such as React, , or similar, along with current tooling and best practices. Solid Python skills and hands-o...

    €19 / hr Average bid
    €19 / hr Gns Bud
    194 bud

    I'm looking for an experienced full-stack developer to implement the MVP end-to-end. Overview Clients submit coding tasks through a store-like request system. Each request becomes a project with clear lifecycle tracking, communication, time tracking, and weekly billing. The platform must support multiple roles: Client, Developer, and Admin. Core Features (MVP) Service Request & Project Creation • Store-style service selection • Structured task submission (requirements, priority, attachments) • Automatic project creation after request/payment Project Lifecycle Management • Status flow (e.g. Received → Investigating → In Progress → Review → Completed) • Progress updates and activity history • Central dashboard per user role C...

    €419 Average bid
    €419 Gns Bud
    214 bud

    production bugs fix Python back end developers who take up task and bugs You’ll start by replicating the problems in the live environment, trace the root cause across the intertwined front-end and server code db, then patch and test until everything behaves reliably again. Clear, commented fixes pushed to the repo and a brief post-mortem summarising what happened, what changed, and how to prevent a recurrence will mark the job complete. If you can jump in immediately, work fast, and are confident troubleshooting Python web stacks end-to-end, I’m ready to give you access and stay online for quick turnarounds on any questions. Remote work only by TeamViewer

    €124 Average bid
    €124 Gns Bud
    33 bud

    I run the software division of a growing technology company in خميس مشيط, المملكة العربية السعودية, and we are expanding our in-house engineering team. The immediate need is for highly experienced programmers from India, Pakistan, Bangladesh, or Sri Lanka who can relocate and work onsite with us on a full-time basis. The work spans end-to-end product development: planning features with our product managers, writing clean and well-documented code, performing peer reviews, and shipping stable releases on a regular sprint cycle. We handle both web and mobile solutions, so a strong command of at least one modern back-end language (Java, Python, Node.js) and a front-end framework (React, Angular, or Vue) is essential. Familiarity with RESTful API design, Git-based workflows, and cloud deployme...

    €417 Average bid
    €417 Gns Bud
    129 bud

    I need a hands-on full-stack developer who can own both the C#/ASP.NET Core back-end and a React front-end. The immediate focus is to build, test, and maintain a scalable web application that cleanly separates concerns yet feels seamless to the end user. On the server side you’ll architect RESTful endpoints with ASP.NET Core Web API, wire them to MS SQL Server, and keep performance in check through efficient queries and thoughtful caching. On the client side you’ll create reusable React components, manage state responsibly, and make sure the UI stays snappy across modern browsers. I expect clean, well-documented code, meaningful unit tests, and proactive communication when a requirement needs clarification. Collaboration is part of the daily routine: you will coordinate with ...

    €71 Average bid
    €71 Gns Bud
    20 bud

    I need a versatile full-stack developer who can take an idea from blank repo to live deployment. The job covers everything: shaping the architecture, building a responsive front-end, wiring a secure back-end API with a relational database, and wrapping it all in automated tests and CI/CD so the codebase is production-ready. The exact feature map will be finalised together, but expect staples such as secure user authentication, the option to plug in a payment gateway, and a lightweight analytics dashboard. I’m flexible on tools—React or Vue on the client, Node.js, Django, or Laravel on the server—as long as the stack is mainstream, well-documented, and deploys smoothly to AWS (or a comparable cloud). Deliverables • Clean, well-structured repo with README and setup n...

    €242 Average bid
    €242 Gns Bud
    52 bud

    Senior Full-Stack Developer (Python / React / AWS) Overview We are looking for a Senior Full-Stack Developer to design, build, and scale modern web applications. You’ll work across the stack—from backend APIs and cloud infrastructure to frontend experiences—while also contributing to AI-powered features using agents, AWS Bedrock, and Retrieval -Augmented Generation (RAG). Responsibilities - Design, develop, and maintain scalable backend services using Python and FastAPI - Build and optimize frontend applications using React - Architect and deploy applications on AWS - Integrate payment systems such as Stripe - Build and maintain user management systems including SSO - Design and integrate AI-driven features including agents, AWS Bedrock, and RAG pipelines Required Qualif...

    €13 / hr Average bid
    €13 / hr Gns Bud
    170 bud

    We're building a high-velocity venture studio and are looking for a vibe-code-affine full-stack developer who can take a functional UI prototype and turn it into a launch-ready MVP—fast, clean, and production-safe. Our workflow: We deliver a clear concept + functional UI prototype (, no DB/auth yet) You take it to launch readiness in ~1 work day (sometimes 2 for slightly larger scopes) Stack and guardrails are predefined to minimize friction You’re encouraged to vibe code, but you must know when to slow down and do things correctly This is not greenfield architecture work and not pixel-pushing. It’s about execution speed with technical judgment. Typical Scope (per project) You will: Add Supabase backend (Postgres, auth, RLS) Implement magic-link auth (OAuth optiona...

    €39 / hr Average bid
    €39 / hr Gns Bud
    299 bud

    We have an already running e-commerce website built with React + on the frontend and Laravel on the backend. We are looking for an experienced full-stack developer to make specific feature enhancements to the existing system. This is not a new website build, only improvements and extensions. Scope of Work 1. Product Upload Enhancements (Admin Panel – Laravel) Add the following new product attributes to the product upload/edit section in the admin area: Color Size Use Group Design Application Product Content Characteristics Speciality Brand Category Clearance (Yes/No) Customer Rating (Admin-controlled) These fields should be: Properly stored in the database Editable for existing products Scalable for future additions 2. Category Management (Just Like Magento) 3. P...

    €13 Average bid
    €13 Gns Bud
    26 bud

    Beschreibung: Wir suchen einen erfahrenen Fullstack-Freelancer zur Fertigstellung unserer Premium Fitness-App. Die App ist bereits in React/ entwickelt und enthält Dashboard, Freunde, Workouts, Heatmaps, Line-Charts, PDF-Export, Dark Mode und erste Referral-Logik. Zu erledigen: • Backend/Firestore: User-Daten, Fortschritt, Referral-Prämien, Sicherheit • Stripe Premium-Abo (39,99 €/Monat, 12 Monate) • Referral-System mit monatlicher Auszahlung (Werber 15 €, Geworbene 5 €) • Mobile App (iOS/Android, React Native/Expo) • Charts & Heatmaps mit echten Daten • PDF-Export & UX-Optimierung Technologien: React, , TailwindCSS, Firebase, Stripe, ChartJS, jsPDF, React Native Startbasis: vorhandener Frontend-Code + Dummy-Daten. Fre...

    €210 Average bid
    €210 Gns Bud
    73 bud

    We are seeking an experienced development vendor to build a production-grade web automation and data collection platform. This is a fixed-price project with a defined scope and an expected delivery timeline of 8–12 weeks. The system will include: 1. Browser automation modules using persistent profiles 2. Scheduler/orchestration engine 3. Structured data collection and storage 4. Deep data capture workflows 5. Administrative frontend for configuration and monitoring 6. AWS deployment (EC2-based) 7. Logging, concurrency handling, and error management Detailed specifications, BRDs, and proof-of-concept scripts will be provided to shortlisted vendors after NDA. Tech expectations: 1. Node.js / TypeScript 2. Playwright or Puppeteer 3. MySQL/PostgreSQL 4. React frontend 5. AWS deployment...

    €5618 Average bid
    NDA
    €5618 Gns Bud
    214 bud

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