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The application is well on its way, but the roadmap for the next two months still includes several key features that need to be built. I want someone who can jump into an existing React code-base, quickly understand the current architecture, and carry new functionality all the way from rough idea to merged pull-request. Scope of work • Work exclusively on feature implementation – everything from wiring up new components to hooking them into existing API calls and state management. • Collaborate with me through GitHub: create branches, open PRs, request reviews, and iterate on feedback. • Keep the UI consistent with the design system already in place; I will provide Figma references as we go. • Maintain clean, well-commented React, JavaScript, and CSS modules, along with basic unit tests for each new feature. Timeline & availability The engagement runs for roughly eight weeks. I’m online daily and will provide a weekly priorities list so we can keep momentum. Deliverables will be accepted once each agreed feature is merged into the main branch without breaking existing tests. If you thrive on turning feature ideas into production-ready React components, share a brief note on your recent React projects and let me know when you can start.
Project ID: 40635652
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227 freelancers are bidding on average $433 USD for this job

Hi, I can become productive quickly inside your existing React project and handle feature delivery end-to-end without unnecessary refactoring. I’ll translate your weekly priorities and Figma references into production-ready components, connect them with existing APIs and state flows, and preserve the current UI patterns. Every feature will be developed through GitHub branches and PRs, tested against existing functionality, and refined through review until it is safely merged into main. let’s discuss in chat as I have some queries to ask regarding the project to proceed further.
$320 USD in 7 days
8.7
8.7

Hi — Elias here from Miami. This is a good fit for how I prefer to work: joining an existing React codebase, understanding the current patterns quickly, and shipping focused features without disrupting what already works. I’m comfortable working through GitHub branches and PRs, integrating with existing APIs and state management, following established design systems, and turning Figma references into production-ready components. I also keep changes small and reviewable, with clear comments and unit tests around each new feature. My recent React work has included SaaS dashboards, workflow-heavy interfaces, booking systems, admin portals, and data-driven applications where consistency and maintainability were critical. I can work steadily across the full eight-week roadmap and adapt to weekly priorities as features evolve. Q1 – Which state-management approach is the app currently using? Q2 – What testing stack is already in place? Q3 – Roughly how many features are planned across the eight weeks? Looking forward to hearing from you.
$500 USD in 7 days
8.5
8.5

Hi there, We understand you're looking for a skilled React developer to implement key features in your existing application over the next two months, ensuring seamless integration with the current architecture and design system. With our expertise in React, JavaScript, and CSS, as well as experience with API integration and state management, we're confident in our ability to deliver high-quality features. Our recent projects, such as the music voting mobile app built with React Native and Node.js, demonstrate our capability in turning feature ideas into production-ready components. We'll maintain clean, well-commented code and basic unit tests for each new feature, collaborating with you through GitHub to ensure smooth iteration and feedback. Can you share more about the design system already in place and how the Figma references will be provided for each feature? Feel free to message us to discuss the details! — Webbook Studio
$550 USD in 10 days
8.4
8.4

Hi there, I understand you need someone who can seamlessly integrate into your existing React project and deliver key features over the next two months. I specialize in diving into established codebases and rapidly understanding architecture patterns to implement new functionality without disrupting existing workflows. My approach involves thorough codebase analysis followed by clean, maintainable feature development that aligns with your current coding standards. I have extensive experience with React component development, state management, and API integration while maintaining responsive UI/UX design standards. I work directly with Figma designs to ensure pixel-perfect implementations and follow best practices for component reusability. My GitHub workflow includes proper branching, detailed commit messages, and collaborative practices that keep your team aligned throughout the development process. I focus on writing clean, well-documented code that future developers can easily maintain and extend, ensuring your project scales smoothly as you continue building out your roadmap. Best Regards, Khorshed Alam, RS Software
$360 USD in 7 days
8.3
8.3

With expertise in React, JavaScript, and CSS, I can seamlessly integrate into your project, ensuring timely implementation of key features while maintaining architectural integrity. Using GitHub for efficient collaboration, I'll uphold UI consistency with your design system and implement basic unit tests for each feature. Let's align on long-term goals to ensure features match your vision, and I'm ready to start immediately. Looking forward to a productive partnership to enhance the application's scalability and features.
$675 USD in 5 days
7.6
7.6

⭐⭐⭐⭐⭐ Build New Features in Your React Application with Ease ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a React developer to implement new features. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for React applications. I will dive into your existing codebase, understand the architecture, and bring your ideas to life efficiently. ➡️ Why Me? I can easily handle your project as I have 5 years of experience in React development, focusing on feature implementation, state management, and API integration. I also have a strong grip on JavaScript, CSS, and GitHub collaboration, ensuring that new features are well-structured and meet your design standards. ➡️ Let's have a quick chat to discuss your project in detail. I would love to show you samples of my previous work. Looking forward to our conversation! ➡️ Skills & Experience: ✅ React Development ✅ Feature Implementation ✅ API Integration ✅ State Management ✅ GitHub Collaboration ✅ JavaScript ✅ CSS ✅ Unit Testing ✅ Code Review ✅ Figma Design Implementation ✅ Component Wiring ✅ Clean Code Practices Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.7
7.7

Hello, I have carefully reviewed your requirements and understand that you need an experienced React developer to work within your existing codebase and implement upcoming features without disrupting the current application. I am having 13+ years of experience in web development, with strong expertise in React, JavaScript, CSS, API integration, state management, GitHub workflows, and unit testing. I can quickly understand the existing architecture, implement new features from your requirements and Figma references, connect them with existing APIs and state management, and maintain consistency with your current design system. I will work through branches and pull requests, address review feedback, and ensure each feature is properly tested before merging. I am available to start immediately and can work consistently throughout the planned eight-week engagement. Best regards, Christina
$250 USD in 2 days
7.5
7.5

Hello Getting an app halfway built is the easy part; mapping out the exact steps to launch without feature creep is where projects stall. I specialize in auditing mid-stage builds and structuring clear, realistic roadmaps. Recently, I helped a client streamline their backlog and ship their MVP three weeks ahead of schedule. Let's chat briefly to look at your current build and map out the next milestones. Giáp Văn Hưng
$750 USD in 7 days
6.9
6.9

Hello, A2 Design can support your React roadmap by jumping into the existing codebase, understanding the architecture quickly, and taking each feature from rough requirements through implementation, tests, PR review, and merge. We’re comfortable working in GitHub workflows, matching established design systems from Figma, integrating API/state-management logic, and keeping React, JavaScript, and CSS modules clean and maintainable. Relevant React work includes MadPaws, a high-volume booking marketplace with search, filtering, profiles, and payment flows built with Laravel and React.js: https://madpaws.com.au. We also built TutorTime, an education marketplace with tutor profiles, lesson workflows, video integration, pricing, and notifications: https://sophiesparkseducation.com. For scheduling-heavy product features, ScheduleSite demonstrates our experience with filtering, calendar sync, and automated notifications: https://schedulesite.com. We can start quickly, align on your weekly priorities, and deliver production-ready pull requests over the eight-week engagement. Let’s connect and review the first feature list.
$420 USD in 4 days
7.3
7.3

Hi, I’m a strong fit for this role because I focus on integrating new functionality into existing React applications without disrupting established architecture. I’ll first understand your component structure, API layer, state management, and testing setup, then implement each priority feature cleanly from branch creation to merged PR. I’ll follow the existing design system, write maintainable React/JS/CSS modules, add practical unit tests, and address review feedback quickly throughout the eight-week roadmap. let’s discuss in chat as I have some queries to ask regarding the project to proceed further.
$290 USD in 7 days
6.8
6.8

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you implement new features in your React application. I understand you need someone to jump into your existing React codebase, build new functionality, and collaborate through GitHub to ensure a seamless integration with your design system and API calls. My team and I have extensive experience with React, having built projects like a music voting mobile app using React Native and a furniture store mobile shopping app with Flutter and React.js. With 10+ years of experience and a 5.0 rating on Freelancer, I'm confident in delivering high-quality, production-ready React components. I can deliver fully functional features, from new components to API integrations, while maintaining a consistent UI and clean codebase. One question: are there any specific features or areas of the application you'd like me to focus on first, based on your weekly priorities list? Feel free to message me to discuss the details! — Markiyan
$450 USD in 10 days
6.9
6.9

Your state management layer will become a bottleneck if you're adding multiple features without refactoring how data flows between components. This creates prop-drilling nightmares and makes debugging nearly impossible two months from now. Quick questions - are you using Context API or a dedicated state library like Redux? And what's your current test coverage percentage? Here is the architectural approach: - REACT.JS: Refactor component hierarchy to eliminate prop-drilling while maintaining your existing design system patterns from Figma. - API INTEGRATION: Implement custom hooks for API calls with error boundaries and loading states that prevent UI crashes during network failures. - GITHUB: Enforce atomic commits with descriptive PR templates and pre-merge test automation so nothing breaks production. I've built feature pipelines for 3 SaaS products where clean architecture prevented technical debt from killing velocity. Let's schedule a 15-minute call to review your current component structure before we lock in the roadmap.
$450 USD in 10 days
7.2
7.2

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$250 USD in 7 days
6.1
6.1

Hi, I can join the existing React codebase, learn its architecture and conventions quickly, and take each assigned feature from requirements and Figma references through implementation, testing, review, and a clean merge. I’ll begin by understanding the component hierarchy, routing, API layer, state-management approach, design tokens, testing setup, and current contribution workflow. Feature work will follow the project’s established patterns so the application remains coherent instead of accumulating competing abstractions. Each change will be developed on a focused branch with clear commits and a concise pull-request description covering behavior, implementation decisions, screenshots where useful, tests, and any known constraints. I’ll handle API integration, loading/empty/error states, responsive behavior, accessibility, state synchronization, and regression risks as part of the feature rather than treating them as later cleanup. Tests will target meaningful user behavior and edge cases while preserving the existing suite. Comments will be reserved for non-obvious logic, with readable structure and naming carrying the rest. Feedback will be incorporated directly through GitHub review cycles. Relevant examples can be shared privately where client permissions allow. Regards, Houssame
$500 USD in 7 days
6.2
6.2

Hi, I can jump into your existing React codebase quickly, understand its architecture, and take each feature from implementation through a clean merged PR. I’ll work within your current state management, APIs, and design system while keeping components maintainable and consistent with Figma references. Each feature will include focused unit tests, clean CSS modules, and regression checks before review. I’m comfortable with GitHub branches, PR workflows, feedback cycles, and an eight-week feature-focused engagement. let’s discuss in chat as I have some queries to ask regarding the project to proceed further.
$250 USD in 7 days
6.1
6.1

Hello, Is the current architecture primarily built with hooks, or does it include class components? Are there any specific APIs already integrated that I should prioritize connecting with the new features? Excited to enhance your React app! I’ll quickly dive into the codebase to ensure smooth feature integration. Handling UI consistency is vital—I’ll match every component with your design system. I will send recent React project examples in chat. Let’s chat soon to sync up and make this project shine. Just drop me a message, and we’ll hit the ground running!
$250 USD in 4 days
6.0
6.0

Hi, I’ve worked on products where we needed to bring new React features into an existing codebase without disrupting the flow, which sounds similar to your needs. I can jump into the codebase, understand the state and API hooks in place, and wire up new components while keeping the UI consistent with the design system you’re using. I’ve done this before on projects like CoastPay, where we iteratively added features to an existing React dashboard without breaking the existing flows. The part that usually takes the most care is keeping the frontend state and backend responses in sync, especially when there are multiple API calls involved. I’ll start by reviewing the current architecture, then work in small batches—branching, PRs, and iterating based on your feedback. One thing to watch is how the new components interact with existing state management, so I’ll make sure to test those integration points thoroughly. Thanks, Denis
$250 USD in 3 days
6.0
6.0

Hey, jumping into an existing React codebase and taking features from Figma/API wiring through to a clean PR is exactly the kind of work I’m comfortable with. I’d follow your current state management and design system, keep each feature isolated in its own branch, and add tests before opening the PR. The tricky part is understanding an existing codebase quickly without introducing regressions. Do you already have the first few features prioritised for the initial sprint?
$250 USD in 5 days
5.9
5.9

Hello, Working through GitHub with proper branches, PRs, and review cycles keeps an eight-week engagement like this predictable — I'd start by getting familiar with your current architecture and state management before writing anything, so new features actually fit rather than fighting the existing patterns. I'll take each feature from your weekly priorities through implementation, API/state integration, unit tests, and a clean merged PR, staying consistent with your Figma design system throughout. 13 years of React and full-stack development. Happy to share recent project notes. Regards, Ameer
$400 USD in 4 days
5.9
5.9

Greetings, I’m excited about the opportunity to help you implement key features in your React application over the next couple of months. It sounds like you need someone who can dive into the existing codebase, grasp the current architecture quickly, and transform feature ideas into functional components. I approach this by first understanding the existing structure, then systematically integrating new components while ensuring they align with your design system. I have solid experience in React, JavaScript, and CSS, which allows me to maintain clean and efficient code. Collaborating through GitHub is second nature to me, and I’m comfortable creating branches, opening PRs, and responding to feedback. I’ll also ensure that each new feature comes with basic unit tests to keep everything running smoothly. Looking forward to getting started! Best regards, Saba Ehsan
$350 USD in 3 days
6.0
6.0

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