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I’m looking for a sharp front-end specialist to take our existing web application and make the user experience shine. The backend is already solid; what I need now is modern, responsive and accessible UI work that feels fast and polished across major browsers and devices. You’ll be working with our REST-based API, so comfort with JSON, Axios / fetch and state management (React + Redux or comparable) is important. Figma files and a clear component map are ready—your task is to translate those designs into production-ready code, wire them to the API, and leave the codebase clean, tested and easy to maintain. Key things I expect • Pixel-perfect implementation of the supplied designs • Reusable, well-documented components • Cross-browser and mobile responsiveness • Git-based collaboration with concise pull-request history • Light unit / component tests to safeguard critical flows I value proven experience above everything else, so let me see live links or repos that best demonstrate similar front-end work you’ve completed. If you have questions about the API or design assets, just ask and I’ll share details right away. Looking forward to seeing how your front-end expertise can push our web app to the next level.
Project ID: 40376783
241 proposals
Remote project
Active 25 days ago
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241 freelancers are bidding on average $19 USD/hour for this job

✔️✔️✔️✔️ Frontend UI Enhancement & API Integration (React)✔️✔️✔️✔️✔️ I will Transform your existing web app with a modern, responsive, and pixel-perfect UI based on Figma designs. Build clean, reusable React components with strong focus on performance and accessibility. Integrate seamlessly with your REST APIs using Axios/fetch and proper state management. Ensure cross-browser compatibility and smooth mobile experience across devices. Let’s chat… Thanks
$15 USD in 40 days
8.9
8.9

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for sharp front-end enhancements to elevate the user experience of your web application. Your project goal is to transform the existing backend-solid application into a modern, responsive, and accessible UI that ensures a seamless experience across all platforms. My background in scaling applications for over 1 million users directly applies to the challenges of enhancing your frontend. By leveraging my expertise in React, Redux, and REST-based APIs, I can ensure the implementation of pixel-perfect designs, reusable components, and cross-browser/mobile responsiveness while maintaining clean and maintainable code. As a strategic insight, I recommend incorporating extensive unit/component testing and Git-based collaboration to safeguard critical flows and streamline the development process. My past success in delivering high-performance solutions to large-scale projects showcases my ability to meet your project requirements effectively. I invite you to reach out to discuss further details and create a roadmap for transforming your web app. Let's collaborate to push your application to the next level and deliver exceptional user experiences.
$20 USD in 15 days
8.3
8.3

I am a seasoned frontend developer with extensive experience in creating responsive, accessible, and polished UIs. I can seamlessly enhance your web application using React and Redux, ensuring an optimal user experience across all devices and browsers. With solid skills in working with REST-based APIs, including handling JSON with Axios and fetch, I am equipped to meet the challenges described in your project listing. My previous projects have involved translating Figma designs into pixel-perfect, production-ready code and creating reusable components with thorough documentation. I understand the importance of clean, maintainable code and concise git collaboration. I have consistently utilized unit and component tests to secure essential web app functions. Feel free to review my portfolio or GitHub repository for examples that align with your requirements. I am keen to discuss how my skills can elevate your web app's frontend. Could you share more specifics about the API endpoints? I am ready to provide further details or clarifications as needed.
$20 USD in 40 days
8.1
8.1

Hi, I can elevate your web app’s UI into a fast, polished, and fully responsive experience while keeping the code clean and scalable. What I’ll do: • Pixel-perfect implementation from Figma • Build reusable, well-structured React components • Integrate seamlessly with your REST API (Axios/fetch, state management) • Ensure cross-browser compatibility and mobile responsiveness • Add light unit/component tests for critical flows • Maintain clean Git workflow with clear PRs I focus on performance, accessibility, and maintainability so your frontend not only looks great but scales easily. Availability: Ready to start immediately I can share live examples of similar frontend work on request. Let’s review your designs and API to get started. Thank you Jennifer
$20 USD in 40 days
8.7
8.7

This stage is where a good product becomes a polished one, the difference comes from how cleanly the UI is implemented and how well it holds up as the app grows. With Figma designs and APIs already in place, the real focus is translating those into reusable components that stay consistent across screens while keeping performance and responsiveness tight. I’d approach this by building a structured component system, making sure each piece is reusable, well-documented, and wired cleanly to your REST APIs without introducing unnecessary complexity. Pixel accuracy, cross-browser behavior, and mobile responsiveness would be validated early, not left until the end, so there are no surprises during final review. I’ve worked on systems where API-driven interfaces needed to remain clean, fast, and maintainable as features expanded. I can share a relevant example in chat if helpful. You’ll end up with a codebase that not only matches the design but is easy to extend and maintain going forward. Let’s open a chat and align on your component structure and API flow before starting Best, Rajesh
$20 USD in 40 days
8.3
8.3

CSS3, JavaScript, React, Redux Thank you for considering CnELIndia for your frontend enhancement project. With our extensive experience of 18+ years in web and app development, along with expertise in HTML5, CSS3, JavaScript, React, and Redux - we are uniquely positioned to deliver the modern, responsive and accessible UI that your web application needs. Our impeccable commitment to pixel-perfection has time and again ensured that our clients' designs are implemented flawlessly. Likewise, for your project, we will ensure a clean codebase that not only delivers a fast and polished user experience but is also easy to maintain. The proof is in the pudding, as they say. Please take a quick glance at our portfolio where you can see our erstwhile masterpieces that align with your project requirements perfectly—pixel-perfect implementation, reusable well-documented components, extensive cross-browser compatibility efforts along with records of efficient GIT-based collaborations]="I genuinely hope you provide us with an opportunity to demonstrate our skills and expertise in enhancing your frontend. I assure you that our team at CnELIndia reprises the trust you'd invested in us with 743 satisfied clients. Choosing us means placing your frontend in the hands of proven experts who are committed to pushing your web app to the next level. Looking forward to transforming your visions into an outstanding reality."
$20 USD in 40 days
8.2
8.2

As an experienced freelancer who always puts client priorities first, I am confident that I am perfectly suited to enhance your web app's frontend. My proficiency in CSS, HTML5, React.js, and more align seamlessly with your project's need for modern, responsive, and accessible UI. Not only do I have extensive experience in REST-based APIs like yours but also in developing pixel-perfect, well-documented and mobile responsive web apps. To ensure effectiveness and efficiency of our project collaboration, I follow High Coding Standards augmented by 24/7 support. Given my detail-oriented nature, employing reusable front-end components is my second nature hence guaranteeing a cleaner codebase that is easy to maintain. In addition, my skills in Git-based collaboration will ensure a concise pull request history for seamless tracking. Furthermore, my portfolio can substantiate my claims of delivering top-notch results within deadline. High quality and user-satisfaction are at the core of my service delivery thereby positioning me as the ideal fit for your web-app project. Let’s transform your existing app into an efficient, beautiful and dynamic machine together!
$15 USD in 40 days
7.6
7.6

Hello, I will implement your Figma designs into production-ready React components — pixel-perfect, responsive, and wired to your REST API via Axios with proper loading and error states. One thing I will set up early: a shared API service layer with response interceptors for token refresh and error normalization, so every component handles failures consistently without duplicated logic. Questions: 1) Are you using Redux Toolkit or a different state management setup? 2) Which testing library do you prefer — Jest with React Testing Library, or another? Looking forward to talking through the details. Kamran
$19 USD in 40 days
7.6
7.6

Dear Client, I would love to help elevate your web application’s front-end and turn the existing product into a polished, high-performing user experience. I’ve worked on similar projects where the backend was already stable, and the focus was on clean UI implementation, performance, and maintainability. My approach: I will start by reviewing your Figma files and component map, then break them into reusable React components with a clear structure. I focus on pixel-perfect implementation, while ensuring responsiveness across devices and consistency across browsers. From there, I will: Integrate components with your REST API using Axios/fetch Implement efficient state management (Redux or modern alternatives like Zustand if preferred) Optimize performance (lazy loading, minimal re-renders) Ensure accessibility basics (ARIA, semantic HTML) Add light unit/component tests for key flows I also keep the codebase clean and scalable, with meaningful commits and well-structured PRs for easy collaboration. A few questions: Which state management approach are you currently using (Redux, Context, etc.)? Do you already have a component library/design system in place? Any specific browsers or devices that need extra attention? How strict are the testing requirements (coverage expectations)? I can share relevant front-end work and repos during discussion. Best regards, Rekha!!!
$20 USD in 40 days
7.5
7.5

Hi there, I can help you take your existing web app and turn the front-end into something clean, fast, and polished while keeping everything aligned with your current backend. I have been working on React-based applications where the focus is on pixel-perfect UI, reusable components, and smooth API integration using Axios/fetch, so connecting your Figma designs with your REST APIs won’t be an issue. I will convert your designs into well-structured components, make sure everything is responsive across devices and browsers, and keep the code clean and easy to maintain with proper state handling and basic test coverage for critical flows. Overall, the focus will be on making the UI feel smooth and consistent without overcomplicating the codebase. I would request to connect once so I can review the Figma files and API structure, and we can align on the flow before getting started. Thanks, Rahul A.
$15 USD in 40 days
7.7
7.7

Hello Hello As a sharp front-end specialist, I'm ready to deliver exceptional enhancements for your web app. My expertise includes modern frameworks, performance, and intuitive UI/UX. I can elevate your application's visual appeal and user experience. Let's discuss your specific needs. Giáp Văn Hưng
$22 USD in 7 days
6.7
6.7

Hi, This is exactly the kind of work I specialize in taking a solid backend and turning the frontend into something fast, clean, and production-ready. I’m comfortable working with React-based applications connected to REST APIs, and I focus heavily on writing UI code that’s not just visually accurate, but also maintainable and scalable. How I’ll Approach Your Project Translate your Figma designs into pixel-perfect, responsive UI Build reusable components with clean structure Integrate seamlessly with your API using Axios/fetch + proper state handling Ensure smooth performance across modern browsers and mobile devices Keep the codebase organized with clear naming and documentation Code Quality & Workflow Git-based workflow with clean, meaningful commits & PRs Component-level structure for easy future updates Light unit/component testing for key flows Focus on readability so any developer can continue بسهولة What You Can Expect UI that matches design exactly Fast, responsive, and accessible interface Clean, maintainable React code Reliable communication and quick turnaround Relevant Experience I’ve worked on similar setups involving: React + REST APIs Dashboard-style interfaces Component-based UI systems I’m available to start immediately and can adapt to your workflow. Best Regads RAHEEL
$20 USD in 40 days
6.8
6.8

Hi I can help turn your existing web application into a polished, production-ready interface, with a strong focus on responsive behavior, accessibility, and clean component structure. The main challenge in projects like this is keeping the UI pixel-perfect while wiring it cleanly to a live REST API without creating state inconsistencies or hard-to-maintain front-end logic. I solve that by building reusable React components, structuring API integration carefully with Axios or fetch, and keeping state management predictable so the app stays fast and easy to extend. I’m comfortable working from Figma and component maps, translating designs accurately into maintainable code with strong attention to spacing, responsiveness, and cross-browser consistency. I also focus on clean Git collaboration, concise PRs, and lightweight unit or component tests to protect key user flows. My goal would be to improve the product feel noticeably while keeping the codebase organized, scalable, and easy for your team to continue building on. Thanks, Hercules
$50 USD in 40 days
6.9
6.9

With over 12 years of relevant professional experience, my name is Sunil and I'm equipped to perform the tasks described in your project title. What sets me apart is my extensive skillset across both front-end and back-end development. I am an adept problem-solver and can seamlessly integrate with a REST-based API. JSON, Axios, fetch, React and Redux are not just buzzwords for me - they're the tools in my arsenal that I expertly leverage to create high-functioning, user-friendly applications. Besides my technical prowess, I emphasize clear communication, quick turnarounds and a collaborative approach. You can expect clean, tested code alongside complete documentation which will make future maintenance easier. My track record demonstrates timely project delivery without compromising quality. However, what really defines my pitch is my commitment to serving your business growth. I understand that a successful web application goes beyond great functionality; it's also about creating a seamless user experience that keeps visitors coming back for more. Your vision for a fast, polished frontend perfectly aligns with mine and I’m ready to supercharge our web app together.
$20 USD in 40 days
6.7
6.7

Hello, I can take your existing web application and elevate its front-end to a modern, polished, and fully responsive standard. I specialize in turning Figma designs into production-ready code that’s clean, maintainable, and connected seamlessly to APIs. Experience: Extensive experience building and refining React-based web applications. Skilled at integrating front-end designs with APIs efficiently. Proven ability to deliver responsive, high-performance, and maintainable code. I can start immediately and will ensure your web app’s UI feels fast, cohesive, and ready for production. Best regards, ADEEL
$20 USD in 40 days
6.8
6.8

I READ YOUR REQUIREMENTS CAREFULLY AND UNDERSTOOD VERY WELL ABOUT THE PROJECT SCOPE AND START WORKING ACCORDINGLY IN STAGES. I have 10+ years of experience in frontend development with strong expertise in React, Redux, REST API integration, and building scalable, high-performance UI systems. I will convert your Figma designs into pixel-perfect, responsive, and accessible components using clean, reusable architecture. All components will be well-structured, documented, and aligned with your existing codebase for maintainability. I will integrate the UI seamlessly with your REST APIs using Axios/fetch, ensuring proper state management, real-time updates, and smooth user interactions. Cross-browser compatibility and mobile responsiveness will be thoroughly handled. Code quality will be maintained with clear Git commits, structured PRs, and basic unit/component tests to secure key flows. I WILL PROVIDE 2 YEAR FREE ONGING SUPPORT AND COMPLETE SOURC CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL DELIVER CLEAN, SCALABLE, AND PRODUCTION-READY FRONTEND. Availability: Ready to start immediately. I eagerly await your positive response. Thanks.
$15 USD in 40 days
6.9
6.9

Hi, I can help improve your web app’s UI and make it feel fast, clean, and modern across all devices. I’m comfortable working with React, APIs, and turning Figma designs into pixel-perfect, reusable components. I’ll keep the code well-structured, responsive, and easy to maintain with proper testing. I'm available right now to talk about the specifications so that I can go to work right away. With you, I hope to establish a long-term commercial connection. With gratitude and best wishes, Harpreet Singh
$15 USD in 40 days
6.9
6.9

Your Figma-to-production pipeline will break down if your component architecture doesn't account for API state transitions - loading spinners, error boundaries, and skeleton screens aren't just polish, they're what separates a functional app from one that feels broken when the network hiccups. Before I map out the implementation, two quick questions: What's your current bundle size, and are you seeing any performance bottlenecks on mobile devices? Also, does your API return paginated data or are we loading everything upfront? These answers change whether I implement virtualized lists and code-splitting strategies. Here's the execution plan: - REACT + REDUX: Build a normalized state layer with selectors that prevent unnecessary re-renders - I've cut render cycles by 70% using memoization patterns and proper component splitting. - FIGMA TO CODE: Translate designs into a component library with Storybook documentation so your team can preview every state (empty, loading, error, success) without touching the API. - CROSS-BROWSER TESTING: Use CSS Grid with fallbacks and test across Chrome, Safari, Firefox using BrowserStack - I've debugged flexbox quirks and z-index battles that only surface on iOS Safari. - REST API INTEGRATION: Implement Axios interceptors for token refresh, request cancellation on component unmount, and retry logic for failed requests - prevents memory leaks and duplicate API calls. - PERFORMANCE OPTIMIZATION: Lazy-load routes, compress images to WebP with fallbacks, and implement service workers for offline-first functionality - I've taken apps from 8s to 1.2s first contentful paint. I've rebuilt front-ends for 8 SaaS products where the backend was untouchable and the UI was the entire value proposition. Let's do a 15-minute screen share where you walk me through the Figma file and I'll point out any implementation gaps before we start.
$18 USD in 30 days
7.1
7.1

Hi, We’d love to help elevate your web app with a clean, fast, and production-grade front-end that truly reflects the quality of your backend. How we’ll approach this: 1. Pixel-Perfect UI Implementation • Convert your Figma designs into precise, responsive components • Maintain consistency across screens, spacing, and typography 2. Modern Front-End Architecture • React with scalable structure (hooks + modular components) • State management via Redux / Context (based on project needs) • Clean, maintainable, and well-documented code 3. API Integration • Seamless REST API consumption using Axios/fetch • Proper loading states, error handling, and data caching • Optimized rendering for performance 4. Responsiveness & Accessibility • Fully responsive across devices and browsers • Accessibility best practices (ARIA, keyboard navigation, contrast) 5. Code Quality & Collaboration • Reusable components with clear documentation • Git workflow with clean PRs and meaningful commits • Light unit/component tests for critical flows (Jest/RTL) Why us: ✔ Strong experience in React-based UI systems & dashboards ✔ Delivered pixel-perfect builds from Figma at scale ✔ Focus on performance, maintainability, and UX polish ✔ Comfortable working in structured, collaborative environments Quick question: Are there any specific performance targets or Core Web Vitals benchmarks you’d like us to meet? Happy to review your Figma files and API docs and get started right away. Best Regards,
$22 USD in 40 days
6.5
6.5

Hi, As per my understanding: you’re looking for a developer to build scalable web/mobile solutions with clean architecture, secure auth, and strong UI/UX, along with long-term support. * Full-stack development with modular APIs * Responsive UI + performance optimisation * Secure auth, integrations, deployment Queries: project scope/features? preferred stack? timeline expectations? I will share my portfolio on your first message. I will be looking forward to hearing from you. Kindest Regards
$18 USD in 40 days
6.7
6.7

Banhā, Egypt
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