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I’m building a new web application and the entire user interface needs to be planned, coded, and polished in React while communicating seamlessly with an existing Java-based REST API. The goal is a fast, responsive, component-driven front end that speaks the same language as the Java services behind it, so a solid grasp of both React (hooks, context, modern tooling) and core Java concepts is essential. Scope of work • Set up the project scaffold (Create React App or Vite, ESLint, Prettier, Jest). • Implement authentication against the provided Java endpoints, handling token storage and refresh. • Develop a reusable component library and page layouts that match supplied Figma designs. • Integrate REST calls for dashboard widgets, handle loading/error states gracefully, and ensure state management via Redux or Context API. • Optimise for accessibility and cross-browser rendering, add unit tests targeting at least 80 % coverage, and document everything in a clear README. Acceptance criteria • Pixel-perfect alignment with the designs on Chrome, Firefox, and Safari. • All API interactions succeed against both the mock server and staging environment. • Linting passes with zero critical issues; tests run green in CI. The timeline is flexible—quality matters more than speed—so we can agree on sensible milestones and conduct weekly demos over Git. Share links to previous React projects that consumed Java services and mention any preferred tooling or patterns you’d bring to this codebase.
Project ID: 40384623
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103 freelancers are bidding on average ₹25,854 INR for this job

Hello, I understand you need a high-quality React front end built from scratch that integrates seamlessly with your Java REST API, including authentication, reusable components, state management, testing, and pixel-perfect UI based on Figma designs. I’ll set up a modern React stack (Vite, ESLint, Prettier, Jest), implement secure auth with token handling, build a scalable component architecture, and ensure robust API integration with clean state management and 80%+ test coverage. With 10+ years of experience in full-stack development (React + Java ecosystems), I deliver maintainable, high-performance applications with strong code quality and documentation. Let’s connect to review your API structure and designs so we can define milestones and start building efficiently. thank you Regards Gaurav Garg
₹25,000 INR in 7 days
8.2
8.2

Hi there, We are excited about the opportunity to work with you on developing your website. With strong experience in both front-end and back-end development, We can build a robust, scalable, and user-friendly platform that supports all the core features you’re looking for and tailored as per your requirement. Why Us? • 10+ years of experience in full-stack development • Built several website in all kind of domain platforms (portfolio available on request) • Strong grip on user flows, admin control, and clean UI/UX design • Expertise in PHP, JavaScript, MySQL, HTML/CSS, Laravel and modern frameworks Timeline & Estimate: Depending on final scope after the detail discussion with you We’d love to discuss your vision further and share relevant portfolio examples. Let’s build something powerful together! Looking forward to your response. Best regards, Vishal Nasit
₹26,000 INR in 10 days
6.7
6.7

Hey, I’ve reviewed your project and understand you need a production ready React frontend that connects seamlessly with an existing Java based REST API. The focus is on building a fast, scalable, component driven interface with clean architecture, proper state management, and smooth API communication, while maintaining pixel perfect alignment with your Figma designs. I will set up a modern React stack using Vite or CRA with ESLint, Prettier, Jest, and structured folder architecture for scalability. The implementation will include secure authentication with your Java endpoints, handling token storage and refresh flow properly. I will build reusable UI components and layouts based on your Figma designs, integrate REST APIs for dashboard data with proper loading and error states, and manage application state using Redux or Context API depending on complexity. Accessibility, cross browser compatibility, and responsive behavior will be fully ensured. The final build will include unit tests targeting at least 80 percent coverage, clean documentation with a clear README, and a fully organized codebase ready for CI integration. All API interactions will be tested against mock and staging environments, linting will pass with zero critical issues, and the UI will be refined for consistency and performance. Weekly demos and structured milestones can be followed to ensure steady progress and quality delivery. Portfolio: https://www.freelancer.com/u/webmasters486
₹21,000 INR in 6 days
6.0
6.0

As an experienced full-stack developer with proficiency in both React.js and Java, I am equipped with the necessary skill set to ensure a seamless integration between your REST API and consumer-facing React-based interface. Throughout my 8+ years in the industry, I've not only honed my technical skills but also my ability to deeply understand client's business goals and suggest effective solutions accordingly. Furthermore, I've developed a strong knack for optimizing for accessibility and cross-browser rendering to enhance user-experience. As a bonus, I'm proficient in using tools like Redux or Context API for state management as your project requires. My communication style is efficient and conducive to collaborative development as demonstrated by conducting weekly demos via Git, which I anticipate will be highly effective during this project's execution. Overall, my vast skill set coupled with my commitment to high-quality work makes me the ideal candidate for this job.
₹12,500 INR in 7 days
6.2
6.2

Your Java REST API will become a bottleneck if the React layer doesn't implement request batching and optimistic updates. Without proper error boundaries and retry logic, a single 500 response from your backend will crash the entire UI during production traffic. Before architecting the front end, I need clarity on two things. First, does your Java API support CORS preflight caching, or will every OPTIONS request add 200ms latency to authenticated calls? Second, what's your token refresh strategy—are you using sliding expiration with HttpOnly cookies, or do I need to build a silent refresh flow with refresh tokens? Here's the architectural approach: - REACT + TYPESCRIPT: Build a strongly typed component library with prop validation that catches integration bugs at compile time, not in production. I'll mirror your Java DTOs as TypeScript interfaces so the contract between layers is explicit. - REST API INTEGRATION: Implement Axios interceptors with exponential backoff for failed requests, request deduplication to prevent duplicate API calls during re-renders, and response caching using React Query to reduce server load by 60%. - FIGMA TO CODE: Convert designs into a themeable component system using CSS modules and design tokens, ensuring every spacing value and color maps to variables so future rebrand takes hours, not weeks. - ACCESSIBILITY: Implement ARIA landmarks, keyboard navigation, and screen reader testing to meet WCAG 2.1 AA standards—this isn't optional if you're targeting enterprise clients or government contracts. - JEST + TESTING LIBRARY: Write integration tests that mock your Java endpoints and verify the full request-response cycle, not just isolated component logic. I've built 8 React applications that consumed Java Spring Boot APIs, including one fintech dashboard handling 50K concurrent users where I reduced API call volume by 70% through intelligent caching. I don't start coding until the API contract is locked and error scenarios are documented. Let's schedule a 20-minute call to review your OpenAPI spec and discuss how your Java services handle rate limiting and circuit breakers.
₹22,500 INR in 7 days
7.0
7.0

Hi, I understand you need a React-based frontend that integrates cleanly with an existing Java REST API, focusing on authentication flow, reusable component architecture, and a production-grade UI aligned with Figma designs while ensuring strong state management, testing, and performance across browsers. I can set up a modern React (Vite) project with proper tooling (ESLint, Prettier, Jest), implement secure token-based auth with refresh handling against your Java backend, build modular components with Context API or Redux, and integrate all API layers with robust loading/error states while keeping the UI pixel-perfect and fully responsive. I also prioritize clean code structure, accessibility standards, and maintainable patterns so the system is easy to scale and extend, with proper unit testing and CI readiness. Looking forward for your positive response in the chatbox. Best Regards, Arbaz N
₹35,000 INR in 7 days
6.4
6.4

Hello there, we are a team of Full Stack Developers. Please, send me a message to discuss the work. Thanks Ashish Kumar.
₹25,000 INR in 7 days
5.5
5.5

Hello I understood the project and bring 6+ years of experience in React development. I can build a pixel-perfect, responsive web application aligned with your Figma designs, ensuring seamless integration with your Java-based REST API. My approach covers secure authentication, efficient state management, and clean, maintainable code with strong test coverage. I focus on performance, accessibility, and cross-browser consistency. Ongoing support included. Let’s connect and build your application!
₹17,800 INR in 7 days
5.6
5.6

With over half a decade of experience as a seasoned Full Stack Web and Mobile App Developer, I'm confident in my ability to execute your project with precision and excellence. Having worked on numerous web applications that consumed Java services, I am adept at the specific skillset you require for this task. My proficiency in React.js (including hooks, context, and modern tooling) is reflected in my comprehensive knowledge of building fast, responsive, component-driven front ends. My expertise extends beyond the front-end realm with a deep understanding of backend technologies such as Node.js and Laravel which can come in handy when your project needs a full-stack approach. Furthermore, being well-versed in API integration and database management ensures that your existing REST API will fluently communicate with the new front end, eliminating any possibility of compatibility issues. Quality trumps speed in any development process, something that resonates strongly with your expectations. Throughout my career, I've strived to deliver only clean, optimized and maintainable code - qualities essential for this project's long-term success. I propose comprehensive milestones with weekly demos over Git to ensure alignment at every stage. I firmly believe that my focused approach, strong work ethic and promise of end-to-end support make me an excellent candidate for this undertaking. Let's transform your vision into a truly remarkable reality!
₹25,000 INR in 7 days
5.4
5.4

With over a decade of experience as a Full Stack Developer, I bring to the table deep knowledge, understanding, and application of React and Java - exactly what your project requires. My expertise not only covers front-end development but also encompasses back-end Java-based REST API implementation and optimization. This rare proficiency is what sets me apart in my field. Additionally, I have extensive experience in setting up React projects, building reusable component libraries, handling authentication systems, and integrating REST calls – skills that are directly aligned with the scope of your project. You can also expect elegant solutions to optimizing accessibility and ensuring cross-browser rendering. Moreover, proficient in using Redux or Context API for state management. To assure you of the quality I can deliver, allow me to refer you to my portfolio comprising 100+ successful projects, many of which extensively used React with Java services. This aptly demonstrates my skill in creating pixel-perfect UI aligned closely with Figma designs - something critical for your project. By choosing me, you're choosing a highly-skilled professional who can handle not only developing a cutting-edge user interface but also help scale and support the project beyond its completion date. Let's collaborate closely over Git using clearly defined milestones and tools that fit our workflow style best
₹25,000 INR in 19 days
5.2
5.2

Hello there, I am PHP Expert having 10+ years of Experience I have worked on various Framework like Codeigniter , Laravel ,Shopify , Magento ,Wordpress I am ready to work with you, Message me so we can discuss more . My main motto is client satisfaction and makes a long-term relationship with you. I’m ready to discuss your project and start immediately. If you think I am capable enough then let's discuss it in more detail over the chat. Best Regards.
₹25,000 INR in 7 days
4.9
4.9

Hi, Your requirement for a React UI integrated with a Java REST API aligns well with the type of scalable front-end architecture I’ve built for SaaS and dashboard applications. I can set up a clean, component-driven React application that communicates seamlessly with your Java services while ensuring performance, maintainability, and test coverage. My approach: • Set up React (Vite / CRA) with ESLint & Prettier • Implement authentication with token handling & refresh • Build reusable components from Figma designs • Integrate REST APIs with proper loading/error states • Implement Redux / Context for state management • Add unit tests (80%+ coverage) & documentation ✔ Pixel-perfect UI from Figma ✔ Clean React architecture ✔ Strong API integration experience ✔ Cross-browser & accessibility optimization I’ve built: • SaaS dashboards • Admin panels with Java REST APIs • Component-based React platforms Could you share: • Figma designs • API documentation • Preferred state management (if any) I’m ready to start and collaborate via weekly Git demos. Best regards, Abhishek
₹25,000 INR in 7 days
5.5
5.5

Hello There!!! ★★★★ (Building a fast, responsive React UI integrated with Java-based REST API) ★★★★ I understand that you need a sleek, component-driven front-end in React, closely tied to your Java API. I can help develop a solution that is fast, responsive, and built with clean code that speaks the same language as your back-end services. ⚜ Set up the project scaffold (Create React App/Vite, ESLint, Prettier, Jest) ⚜ Implement authentication with Java endpoints and token management ⚜ Create a reusable component library and implement Figma designs ⚜ Integrate REST API calls for dynamic widgets and state management via Redux/Context API ⚜ Ensure accessibility, cross-browser compatibility, and write unit tests with 80%+ coverage I’m excited to apply my skills in React and Java integration to deliver high-quality results. Warm Regards, Farhin B.
₹25,000 INR in 7 days
4.9
4.9

As a seasoned Full-Stack Developer for over 7 years, my React.js competencies and solid understanding of core Java concepts mesh well with the demands of your project. I have successfully designed, developed, and deployed several web applications similar to what you are envisioning: high-performance, component-driven, and tightly integrated with backend systems. My proficiency in technologies such as Redux or Context API for state management and Jest for unit testing guarantees code that is strongly architected and easy to maintain, meeting your requirements for 80% coverage and zero critical linting issues. Moreover, throughout my career, I have consistently delivered notable results while prioritizing pixel-perfect alignment with designs. Your project's necessity for cross-browser compatibility on Chrome, Firefox, and Safari will thus be respected. In particular, I'm well-versed in CSS and HTML5 which will ensure the UI of your web application not only decorously manifests your Figma designs but also harnesses optimal accessibility features and cross-browser rendering. Take a careful look at my GitHub repositories; you'll find numerous projects where I consumed Java services using the preferred tooling or design patterns. With me as your Senior React Front-End Developer, you gain a meticulous professional guaranteed to deliver excellently on every aspect of your project. Let's build something that works – send me a message!
₹35,000 INR in 7 days
4.3
4.3

Hi there, Strong fit for this work with experience building React frontends integrated with REST APIs, delivering fast, component-driven, and scalable interfaces. Clear understanding of setting up modern React architecture, handling authentication with token refresh, integrating Java-based APIs, and building reusable components from Figma designs. Expertise in React (hooks, context), state management, testing, and performance optimization ensures clean code, accessibility, and cross-browser consistency. Risk stays controlled through structured API handling, error states, test coverage, and linting standards. Available to start immediately happy to align on tooling and workflow. Recent work: https://www.freelancer.com/u/chiragardeshna Regards Chirag
₹12,500 INR in 7 days
4.5
4.5

Hi there, I have read your project requirement. You need a modern React-based frontend that integrates seamlessly with an existing Java REST API, including authentication, reusable components, state management, API integration, testing, and pixel-perfect UI aligned with Figma designs. We can build this using React (Vite), with a clean architecture using hooks, Context/Redux, and a reusable component system. We’ll implement secure authentication (token handling & refresh), structured API services, accessibility best practices, and ensure cross-browser compatibility. The codebase will be fully linted, tested (80%+ coverage), and documented for maintainability. A few questions to better understand your requirements: ============================================= Do you prefer Redux Toolkit or Context API for state management? What authentication method is used (JWT, OAuth, session-based)? Are Figma designs final or will there be iterative updates? Do you have a CI/CD pipeline already set up for testing and deployment? Best Regards, Srashtasoft Team
₹35,000 INR in 12 days
4.5
4.5

Hi, You need a fast, scalable React frontend that integrates cleanly with your Java REST API while maintaining performance, structure, and long-term maintainability. I’ll set up a modern React project (Vite + ESLint + Prettier + Jest) and implement secure authentication with proper token handling and refresh logic. The UI will be built as reusable, well-structured components aligned pixel-perfect with your Figma designs. API integration will be handled cleanly with proper state management (Context/Redux based on complexity), including loading states, error handling, and consistent data flow across the app. I’ll ensure cross-browser compatibility, accessibility standards, and performance optimization, along with unit testing targeting 80%+ coverage and clean documentation for future scalability. The focus will be on a maintainable architecture that works seamlessly with your Java backend—not just UI, but a stable, production-ready frontend. I’ve worked on API-driven dashboards and structured frontends, which aligns closely with this requirement. Quick question: are you using JWT-based authentication on the Java side, or a custom token/session system? Thanks and regards, Sagar Lohni
₹12,500 INR in 7 days
3.7
3.7

Hi, I’ve reviewed your requirements and can deliver a reliable, scalable, and well-structured solution aligned with your goals. I’m a full-stack developer with 4+ years of freelance experience, specializing in MERN, PHP/Laravel, WordPress, Shopify, and Flutter for Android & iOS apps. I focus on clean code, intuitive UI, and performance-driven development to ensure secure and user-friendly applications. I’ve handled projects end-to-end—from planning and design to deployment and support—while maintaining clear communication and meeting deadlines. My approach is simple: understand your vision, set realistic timelines, and deliver exactly what’s promised with long-term value in mind. I’d be happy to discuss your project in detail and suggest the best approach to achieve your objectives efficiently. Looking forward to working with you. Best regards, Arshiya
₹25,000 INR in 7 days
3.7
3.7

Hi, I’d love to build your React front-end and integrate it cleanly with your existing Java REST API. I have strong experience creating fast, component-driven UIs with modern React while working closely with backend APIs. What I’ll Deliver: • Project setup using **Vite** (recommended for speed) or CRA • ESLint, Prettier, Jest, clean folder structure • Secure authentication with token storage + refresh flow • Reusable component library based on Figma designs • Responsive page layouts and dashboard screens • REST API integration with loading/error handling • State management via Redux Toolkit or Context API • Accessibility improvements and cross-browser support • Unit tests targeting 80%+ coverage • Clear README and setup documentation Preferred Approach: • React + Vite • Redux Toolkit (scalable state management) • Axios with interceptors for auth refresh • React Testing Library + Jest • Modular components for long-term maintainability Acceptance Goals Covered: • Pixel-perfect Chrome / Firefox / Safari UI • Works with mock server + staging API • Lint clean with zero critical issues • CI-ready tests passing Why Me: • Strong React hooks/context expertise • Comfortable working with Java-based APIs • Clean reusable frontend architecture • Reliable communication + weekly demos via Git I’m quality-focused and happy to work milestone-based with regular progress updates. Ready to start immediately. Best regards, Vicky
₹15,000 INR in 7 days
4.1
4.1

It's great to meet you! As an experienced full-stack developer specializing in React.js and Lavarvel, I'm confident that I have the exact skillset you're looking for in building your new web application. I have a strong command over React (hooks, context, modern tooling) as well as deep Java knowledge which aligns perfectly with your requirement of communicating the UI seamlessly with the Java-based API. Combining the two, I can deliver a fully-functional and robust front-end. Flexible with timeframes and dedicated to quality work, I’d be glad to establish sensible milestones and provide weekly demos over Git for thorough progress review. It would be great if we could connect and discuss how my previous relevant experience can serve your vision!
₹25,000 INR in 7 days
3.4
3.4

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