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Fast & Efficient Tecrific Service "Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction, and skillful execution; it represents the wise choice of many alternatives." I am a full-stack developer with extensive experience building modern, scalable, and high-performance web applications. From frontend user experiences to backend architecture, APIs, databases, cloud infrastructure, and deployment pipelines, I provide end-to-end development solutions tailored to business needs. My expertise includes designing and developing responsive web applications, integrating third-party services, optimizing performance, troubleshooting complex technical issues, and maintaining reliable production environments. I focus on writing clean, maintainable code and delivering solutions that are robust, scalable, and built for long-term success. I take pride in clear communication, attention to detail, and delivering projects on time. I am committed to providing exceptional service and going the extra mile to ensure every client is satisfied with the final result. My reputation is built on reliability, professionalism, and consistently delivering high-quality work.

Hi ! I'm Gowtham Raj , a Professional Full Time Freelancer in Freelancer.com with 7+ years of Experience in Programming. Combined with my B.E in Computer Science and Engineering I can solve the below mentioned Programming languages task. Apart, from this I am having 2 years of Experience in Branding and Data Entry Works. ✅ 5-start rated freelancer , specialized in C, C++, JAVA, PYTHON and Mulesoft PROGRAMMING LANGUAGES: - C Programming - C++ Programming - Java - Java FX - Python - SQL - MY SQL ADVANCED & SPECIALIZED PROJECTS: - Bot Development Projects - AI-Related Projects - Block Chain Projects BRANDING: - Naming the Organization / Brand - Suggesting the Slogans WHY CHOOSE ME OVER OTHER FREELANCERS? ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Communication: I will provide proper communication and I expect the same from my client. You can ask update at anytime regarding the work because I will be doing your work NO outsourcing here. If you're looking for a good programmer with quick turn around then I'm the guy you need. Kindly send me a message through Freelancer, either via message or with the “Hire Me Now” button. Thanks for taking the time to read through my profile, and I hope to speak with you soon!

My experience and skills will bring delight to you. I have valuable and practical experience in Mobile Native & Hybrid Developing. While working on a project, I focus on the clients' needs and requirements, and support some good idea. My goal is building good and long term relationship by offering what you need Skills * Native Android/ iOS : JAVA, Kotlin, Swift, Objective-C * Hybrid Mobile Apps : React Native , Ionic * Google Maps Api * Payment Gateway Integration * Push Notifications * Geolocation

🚀 100+ mobile apps successfully published on the App Store & Google Play 🖥️ 10+ years of professional software development experience 📱 Expert in Flutter, Android, iOS, Full-Stack & AI-powered applications I help startups and businesses turn ideas into scalable digital products - from MVPs to production-ready applications used by thousands of users. Whether you're building a new product or improving an existing one, I can take ownership of the entire development process, including architecture, UI/UX collaboration, backend development, deployment, analytics, and long-term maintenance. What I Build Mobile Apps (Flutter, Android, iOS) SaaS Platforms CRM & Business Management Systems AI-Powered Applications Marketplace Platforms Healthcare & Fitness Apps Booking & Scheduling Systems Social Networking Apps Enterprise Business Solutions - Mobile Development Flutter (BLoC, Riverpod, Provider) Dart Native Android (Kotlin) Native iOS (Swift) Cross-platform architecture Clean Architecture & MVVM Performance optimization Responsive UI Offline-first applications Push Notifications In-App Purchases Deep Linking Google Maps Camera, QR & NFC integrations App Store & Google Play publishing -Backend & Web Java Spring Boot Python React Next.js REST APIs PostgreSQL MySQL Firebase Supabase Docker Cloud Architecture Authentication & Authorization Third-party API integrations - Firebase Expertise I have extensive experience building applications with Firebase, including: Authentication Firestore Cloud Functions Cloud Messaging (FCM) Crashlytics Analytics Remote Config Storage Realtime Database - AI Development Modern products need more than just great code - they need intelligent features. I build AI-powered solutions using: OpenAI Claude Gemini AI Chatbots AI Assistants Prompt Engineering AI Automation OCR Speech-to-Text Text-to-Speech AI-powered content generation - Analytics & Subscription Growth I don't just develop apps - I help clients understand how users behave and how products generate revenue. My experience includes: RevenueCat Mixpanel AppsFlyer Firebase Analytics This allows you to understand: Where your users come from Which campaigns generate paying customers Subscription conversion rates Customer acquisition cost (CAC) Return on ad spend (ROAS) User retention and product performance - What You Can Expect ✅ End-to-end product development ✅ Scalable architecture built for growth ✅ Clean, maintainable, production-ready code ✅ Fast delivery using AI-assisted development workflows ✅ Clear communication and proactive problem solving ✅ Long-term technical partnership—not just another freelancer Over the past decade, I've worked with startups, growing businesses, and established companies, helping them launch products, improve existing platforms, and scale engineering teams. If you're looking for a developer who understands both the technical and business side of building successful software, I'd be happy to discuss your project.

I'm Martin, founder of Prutheus Software — a German software studio. On Freelancer you work with me directly: one senior engineer who takes your project from first idea to production and stays for the long run. WHAT I BUILD • Web platforms & dashboards — React, Next.js, Vue/Nuxt, TypeScript, Node.js, Python/FastAPI, PHP/Symfony • AI integration & workflow automation — OpenAI/GPT, DeepL, Azure AI, Apache Airflow, document processing, data enrichment • E-commerce — Shopware 6 (custom plugins, themes, B2B features), payment & ERP integrations, order-to-delivery automation • Mobile & cross-platform apps — React Native/Expo (one codebase for iOS, Android & web), Stripe subscriptions, offline-first PWAs • Data & backends — PostgreSQL, Supabase (Auth, RLS, Edge Functions), MongoDB, Redis, REST APIs, real-time sync • Deployment & operations — Docker, Kubernetes, Northflank, Vercel, CI/CD pipelines, zero-downtime deployments, monitoring with OpenTelemetry, Keycloak SSO SELECTED WORK → End-to-end digitalization of a food wholesaler: Shopware 6 B2B shop with 8 custom plugins, offline-capable delivery PWA for drivers, warehouse & pallet tooling, complaint management — 18 services in production → Multi-tenant ERP analytics platform: mirrors 14 JTL-Wawi ERP data sources into Supabase/Postgres with row-level security, live DHL & Dachser carrier tracking, PDF/CSV reporting — Next.js 15 on Vercel, scheduled sync jobs on Northflank → Cross-platform learning app: React Native/Expo shipped to iOS, Android and web from one codebase — spaced-repetition engine, exam simulations, Stripe freemium subscriptions, Supabase backend with 76 migrations → AI translation automation suite: Apache Airflow pipelines orchestrating DeepL/Azure AI machine translation, terminology sync and secure file exchange for industrial clients — containerized, running 24/7 HOW I WORK Clean architecture, typed code, tests, CI/CD and monitoring are standard — software you can still maintain in five years. Clear communication in fluent English and German, honest estimates, reliable delivery. GDPR-compliant handling of your data, German engineering standards. Available for new international projects — let's talk about yours.

I am committed to delivering high-quality work that meets client expectations and deadlines. My skills and experience span a variety of domains, including taxi booking, home services, food ordering, and dating applications. I am proficient in multiple technologies, such as Android, iPhone, iPad, Laravel, hybrid applications, e-commerce, PHP5, WordPress, and HTML5. In mobile app development, my expertise encompasses creating applications similar to Uber, home service apps, package delivery apps, scientific calculator apps, social networking apps, dating apps, water controller apps, PhoneGap apps, e-learning apps, lifestyle apps, quiz apps, Google Map/GPS system apps, restaurant delivery apps, food ordering apps, photo/video apps, health/fitness apps, pregnancy apps, travel apps, and business advertisement apps. With over five years of experience in Android, iPhone, mobile applications, PHP, WordPress, SEO, HTML5, CSS, Ajax, jQuery, JavaScript, MySQL, graphic design, and website design, I am confident in my ability to deliver superior quality work that meets your requirements.

¡Hola! Soy Jesús Guillermo, ingeniero de software con más de 15 años especializado en el desarrollo de aplicaciones web y móviles para empresas que necesitan calidad enterprise y rápida puesta en producción. Lo que puedo hacer por tu negocio - Apps escalables: Arquitecturas basadas en microservicios y front-ends con mejores prácticas de seguridad y rendimiento. - Cloud & DevOps: Despliegues en AWS, Kubernetes, Docker y CI/CD para releases estables y sin fricción. - Integraciones complejas: Pasarelas de pago (Stripe, PayPal), APIs de terceros, autenticación OAuth/JWT y websockets en tiempo real. - Datos que hablan: Consultas optimizadas, reportes analíticos y visualizaciones. - Gestión Agile: Scrum Master; transparencia total mediante tableros y entregas iterativas. ================== Resultados ================== * +80 proyectos entregados | 100 % presupuesto y tiempos cumplidos * 4.6 ⭐ / 5 | Respuesta < 2 h ================== Cómo trabajo ================== 1.- Diagnóstico express (gratuito): Revisamos metas y restricciones. 2.- Propuesta detallada: Alcance, roadmap, hitos y costes transparentes. 3.- Sprint 0: Entorno, CI/CD y demo funcional en la primera semana. 4.- Iteraciones ágiles con entregables verificables y feedback continuo. 5.- Soporte post-entrega y documentación completa. Hablemos hoy mismo y convierte tu idea en un producto sólido y rentable. ===================================================================== Hi there! I’m Jesús Guillermo, a Software Engineer with 15+ years of experience helping companies turn ideas into scalable, production-ready web and mobile applications. What I bring to your project - Scalable apps: Enterprise-grade microservices and front-ends built with security and performance best practices. - Cloud & DevOps: End-to-end deployments on AWS using Docker, Kubernetes and CI/CD pipelines for smooth, zero-downtime releases. - Complex integrations: Payment gateways (Stripe, PayPal), third-party APIs, real-time websockets, and secure OAuth/JWT authentication. - Data that delivers insight: Optimized schemas, plus dashboards and analytics. - Agile leadership: Scrum Master; transparent progress through sprint boards and frequent, demo-driven iterations. ===== Goals * 80+ projects delivered | 100 % on-time & on-budget * 4.6 / 5⭐ rating | Average response time < 2 h ===== How I work 1.- Free discovery call: We clarify goals, constraints and success criteria. 2.- Detailed proposal: Clear scope, roadmap, milestones and transparent pricing. 3.- Sprint 0: Environment setup, CI/CD and a working demo in the first week. 4.- Agile iterations: Frequent deliverables, continuous feedback, automated testing. 5.-Post-delivery support: Documentation, knowledge transfer and optional SLA. Let’s discuss how to turn your vision into a robust, profitable product—starting today.

Top Rated Lovable.dev, Bolt.new, Manus.ai & Supabase Expert building scalable, production-ready MVPs, web applications. Startups and businesses hire me to design, build, and launch real products, not prototypes, that are ready to grow, scale smoothly, and meet professional standards from day one. Core expertise - MVP Development From scope and architecture to launch, iteration, and scale - Lovable.dev Dashboards, workflows, secure portals, state-driven components, edge functions - Bolt.new Dashboards, workflows, secure portals, state-driven components, edge functions - Manus.ai Dashboards, workflows, secure portals, state-driven components, edge functions - Supabase Postgres schema design, RLS policies, authentication, storage, triggers, pgvector for AI-ready features - Production & Scale-Up Readiness Taking MVPs to the next level with more robust architectures, including cloud-based backends (AWS) when products outgrow early-stage setups - Web App Development SaaS platforms, client portals, marketplaces, and internal tools - Automation Make com and n8n workflows, API integrations, webhooks, async jobs, and resilient pipelines Why do clients choose me? 1. Proven track record as a Top Rated Lovable.dev expert delivering complex, real-world applications. 2. Strong Supabase backend expertise focused on security, performance, and scalability. 3. MVPs that move from idea to production-ready systems in weeks, not months. 4. Ability to evolve MVPs beyond the initial phase, designing more robust infrastructures and cloud-based backends (AWS) as products grow. 5. Professional project structure with clear milestones and clean, maintainable handover. Best-fit projects : • SaaS dashboards and analytics platforms • B2B portals and internal workflow tools • Client onboarding systems, CRMs, and ERPs • Marketplace applications and automation-heavy web apps 📱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I build high-performance, cross-platform mobile apps using Flutter and React Native that feel native on both iOS and Android. From consumer-facing apps to complex enterprise tools, I handle the full mobile lifecycle, from UI/UX to backend integration to app store deployment. ✔️ Flutter and React Native for iOS and Android ✔️ Real-time features, push notifications, offline support ✔️ Deep API and third-party SDK integrations ✔️ Firebase, Supabase, and PostgreSQL as mobile backends ✔️ Clean, scalable mobile architecture built for long-term growth 💻 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I build robust, scalable web applications end to end. Whether you need a SaaS platform, an admin dashboard, a customer portal, or a complex multi-tenant system, I architect and deliver the full stack from database to UI.