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My existing web application works, but the user journey feels clunky and the sign-in flow is unreliable. I want to give the whole front-end a minimalistic makeover that guides people through the site effortlessly, while simultaneously eliminating the authentication errors that keep popping up in the API. Here’s what I’m after: • UX/UI rebuild – a clean, stripped-back interface that prioritises easier navigation. Think clear hierarchy, generous whitespace, intuitive iconography, and responsive behaviour across desktop and mobile. You’re welcome to prototype in Figma or a similar tool before coding. • Front-end implementation – I’m comfortable with modern stacks (React, Vue, or similar). Whichever you choose, the final code should be modular, well-commented, and production-ready. • API repair – track down and resolve the authentication issues (JWT/OAuth handling, token refresh, or session management). Once fixed, the sign-in, sign-up, and protected-route calls should return consistent 2xx responses under normal usage and meaningful 4xx/5xx codes on failure. • Seamless hand-off – after everything is merged to the main branch, I’ll need concise setup instructions and a brief walk-through of the key changes so my internal team can maintain the codebase. Acceptance criteria – All screens follow the new minimalistic style and pass basic accessibility checks (contrast, keyboard nav). – Core pages load without console errors, and navigation feels snappy (<200 ms route change on average broadband). – API authentication succeeds for 100% of test cases, and automated tests cover the critical flows. If that sounds like your kind of project, let’s get started—looking forward to seeing your approach.
Project ID: 40369271
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As a Full Stack Web Developer with 5+ years of experience, I’m confident I can help you redesign your web app and resolve the API issues efficiently. I have strong expertise in React, [login to view URL], and modern frontend tools, allowing me to build clean, intuitive, and responsive user interfaces that improve usability and performance. I focus on creating minimal, fast, and user-friendly designs that work seamlessly across all devices. I strongly believe in writing clean, maintainable code, ensuring long-term stability and easy future updates. My approach involves structured development and proper documentation so your team can manage and scale the project easily. On the backend side, I have solid experience with Node.js, PHP, and API integrations. I’ve handled complex issues like JWT/OAuth authentication, session management, and API debugging, ensuring secure and smooth data flow. I can identify and fix existing API problems and optimize them for better performance. Additionally, I can implement basic automated testing to ensure critical features remain stable. I prioritize timely delivery, clear communication, and reliable solutions, making sure your project is completed without delays. I’d be happy to discuss your requirements in detail and improve your app’s performance ?
$960 USD in 7 days
5.5
5.5
445 freelancers are bidding on average $1,085 USD for this job

Full-Stack Developer Hello, how are you? I will redesign your application with a clean, minimalistic interface and fix the authentication issues to ensure a smooth and reliable user experience across the platform. Let’s Start: I will begin by analyzing your current system, identifying UX gaps and API issues, then implement a clean design and stable authentication flow with proper testing. ⸻ Thanks: Looking forward to working with you and improving your platform experience. Shweta ~
$1,125 USD in 7 days
9.7
9.7

With over a decade of experience in full-stack architecture and high-scale systems, I understand your goal of redesigning your web app for a seamless user experience and fixing API authentication issues. My background in scaling systems for over 1 million users and high-security FinTech projects directly applies to the challenges your project faces. For your project, a strategic insight would be to prioritize modular, well-commented code for the front-end implementation to ensure scalability and maintainability. Drawing from my past success in building Telegram Mini Apps serving over 1 million users, I can assure you of my ability to handle the complexity of this project with ease. I encourage you to reach out and discuss the roadmap for your web app redesign and API fixes. Let's work together to create a minimalistic interface that enhances user navigation and resolves authentication issues effectively. Looking forward to collaborating with you on this project.
$1,200 USD in 20 days
9.1
9.1

I have read details. As I understand, you have an existing web application that needs to be upgraded. You want to improve the front end in general, make it better in flow prespective, and remove bugs that appear here and there. From your list: 1) You require easier navigation, like discussed above, to make better workflow. 2) You need to improve the code, and make it production ready. It may require changes to core coding files, for example, shifting to a more rich-client based technology like React or Node. 3) You need to resolve several API relevant errors like you have mentioned. 4) You need to build proper documentation of the job under this project for future upgrades. I will be happy if we can discuss this more thoroughly. Regards.
$810 USD in 12 days
8.9
8.9

Hi, I can redesign your front-end into a clean, minimal experience while fixing the authentication issues at the API level for a smooth, reliable user journey. I’ll start with a Figma prototype to define clear navigation, spacing, and accessibility, then implement using React (recommended) with a modular, scalable structure. The UI will be fast, responsive, and focused on usability. On the backend/API side, I’ll debug and stabilize authentication (JWT/OAuth, token refresh, session handling), ensuring consistent responses, secure flows, and proper error handling. I’ll also add test coverage for critical auth flows. You’ll receive clean, production-ready code, plus clear setup documentation and a walkthrough for your team. We can communicate more on this matter. Kindly accept the offer so we can discuss further. Thank you Jennifer
$1,125 USD in 7 days
9.3
9.3

Choosing CnELIndia for your web app redesign and API fixes will guarantee a transformative overhaul that not only resolves your immediate issues but redefines the user experience. As a seasoned team with 18 years of expertise, we understand the delicate balance between clean UX/UI and robust backend, and will ensure the different components of your system harmonize seamlessly. Our familiarity with React and other modern tools enables us to strike the ultimate balance between minimalistic aesthetics and technical functionality for a smoother, more intuitive journey on your platform. Moreover, our track record includes consistently delivering production-ready work that operates flawlessly. We've encountered various authentication issues like those you faced, particularly with JWT/OAuth handling and token refresh/system management. We have always tackled them head-on and garnered positive results. It's important to note that after the changes are made, we'll provide you with detailed yet concise setup instructions as well as conducting a comprehensive walk-through of the key changes for your internal team's ease of maintenance. In choosing CnELIndia, you're not simply acquiring technical skills - you're aligning with a partner committed to driving incredible value from day one. Let's embark on this amazing project together!
$1,125 USD in 45 days
9.1
9.1

I understand you're looking to redesign your web app for a smoother user experience and fix authentication issues in the API. I will create a minimalistic interface with easy navigation, using React for the front-end. I will ensure the API handles authentication seamlessly and provide clear setup instructions for your team. Let's discuss further details to adjust the budget accordingly. My priority is to deliver quality work within your budget and timeline. Please review my 15-year-old profile for past work. I am eager to start and showcase my commitment to this project.
$750 USD in 12 days
8.8
8.8

i there, I can help you rebuild this into a clean, minimal, and modern interface where users immediately understand where to go, how to navigate, and what actions to take without friction. I’ll first simplify the structure, improve visual hierarchy, and redesign the flow so the experience feels smooth on both desktop and mobile. On the technical side, I will deeply audit the existing frontend + API authentication layer to identify why sign-in is failing inconsistently. Most of these issues usually come from token handling, refresh logic, or session persistence gaps—and I’ll make sure the system is stabilized so login, signup, and protected routes behave consistently across all edge cases. Once the UX and auth layer are aligned, I’ll implement the changes in a modular way using React/Vue (based on your preference), ensuring the code remains clean, maintainable, and easy for your internal team to extend later. I’ll also make sure there are no console errors and everything performs smoothly with fast route transitions. Before final handover, I’ll test all critical flows end-to-end and provide a simple walkthrough so your team can easily maintain or scale it further without dependency. I would request to connect once so I can review your current setup and suggest the fastest and safest way to improve both UX and authentication stability. Thanks, Rahul A.
$760 USD in 7 days
8.7
8.7

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to redesign your web application to enhance the user journey and fix the unreliable sign-in flow. It’s important to have a smooth user experience, and I can help with that. I’ve worked on several similar platforms and understand the key technical challenges involved. I plan to analyze the current user flows, gather user feedback, and implement a more intuitive design. Additionally, I’ll ensure the sign-in process is secure and reliable. I have a few questions to get a better understanding: Q1 – What specific issues are users facing with the current sign-in flow? Q2 – Are there any existing integrations or APIs that we need to consider for the redesign? Q3 – What is your vision for the overall look and feel of the redesigned application? Looking forward to hearing from you.
$1,200 USD in 20 days
8.2
8.2

Hi, I can rebuild your frontend into a clean, minimal, and intuitive experience while fixing the authentication issues at the root. I’ll deliver a fast, responsive UI (React/Vue), resolve JWT/OAuth flows for reliable auth, and ensure smooth navigation with zero console errors. Everything will be production-ready with clear docs for handoff. Ready to get started. Best, Uttam
$1,125 USD in 7 days
8.3
8.3

Hello, I understand you need a full front-end overhaul of your existing web application along with fixing unstable authentication flows that are affecting sign-in reliability. I will redesign the UI into a clean, minimal, and intuitive experience and implement it using a modern frontend stack like React or Vue with modular, production-ready code. With 10+ years of experience in full-stack development and UI/UX optimization, I specialize in improving user journeys while stabilizing complex authentication systems like JWT/OAuth. I will also resolve API auth issues, ensure consistent session handling, clean navigation, and proper test coverage for critical flows. Let’s connect in chat so I can review your current setup and start fixing both UX and backend reliability in a structured way. thank you Regards Gaurav Garg
$1,125 USD in 20 days
8.6
8.6

Hi, I can provide a fresh, minimalistic design that focuses on ease of navigation. By leveraging React or Vue, I’ll ensure that your front-end is not only appealing but also modular and well-documented. For the API fixes, I’ll target the authentication errors, optimizing JWT/OAuth handling and session management, to ensure smooth user experiences across sign-in and sign-up functionalities. I’m committed to delivering a clean, accessible interface, meeting your acceptance criteria. Once everything is ready, I’ll provide thorough setup instructions for your team. Looking forward to collaborating on this project! Best, Priyanka
$1,125 USD in 7 days
8.5
8.5

Hey Mate , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in API Development, Website Design, PHP, UX / User Experience, UI / User Interface, Backend Development, Frontend Development, Graphic Design, React.js and Node.js. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks
$750 USD in 1 day
8.4
8.4

This looks like a great fit, I will deliver the full UI redesign — clean layout with strong hierarchy and generous whitespace — along with the front-end implementation in React or Vue and a thorough fix of your authentication layer. For the API issues, I will audit your token lifecycle first — checking JWT expiry handling, refresh token rotation, and race conditions where concurrent requests hit a stale token. These silent failures are often the root cause of intermittent auth errors, and fixing the refresh logic alone typically resolves the majority of 401 flare-ups. Questions: 1) Which front-end framework and auth method are you currently using — JWT with refresh tokens, OAuth provider, or session-based? 2) Do you have Figma files or a style guide to build from, or will I be designing the new UI direction? Looking forward to your response. Best regards, Kamran
$790 USD in 13 days
8.5
8.5

Hi there, I can help you completely refine both the front-end experience and the underlying authentication reliability of your web application. I’ll start by rebuilding the UX/UI into a clean, minimalistic interface with clear navigation, consistent hierarchy, and responsive behaviour across all devices. If needed, I can first prototype the improved user flow in Figma before implementing it in code to ensure everything aligns with your vision. On the technical side, I’ll debug and fix the authentication layer (JWT/OAuth/session handling), ensuring stable login, secure token refresh, and consistent API responses across all protected routes. I work with React/Vue and modern API architectures, and I’ll ensure the final code is modular, production-ready, and easy for your team to maintain. All acceptance criteria—performance, accessibility, and API reliability—will be carefully tested before delivery. Kindly send me a message to discuss more. Thanks
$750 USD in 10 days
8.2
8.2

I understand the problem: your app works functionally but feels broken to users. Clunky navigation drives them away, and auth errors create friction at the moment they're trying to sign in. Both are fixable. I've rebuilt 3 web apps with similar issues (outdated UX, unreliable authentication). Last one: stripped the interface, fixed JWT token refresh bugs, and saw signup completion jump from 60% to 92%. Here's my approach: First, I'll audit your current frontend and API to identify where auth is failing (token expiry, refresh logic, session handling). Then redesign the interface—minimal, clean, generous whitespace, strong hierarchy. I'll implement in React with modular, well-commented code. Finally, I'll provide setup instructions and a quick walk-through so your team maintains it easily. Deliverables: minimalistic UI matching accessibility standards, sub-200ms route changes, 100% auth test coverage, production-ready code. Let's chat. Regards, Ruchita
$1,125 USD in 7 days
8.3
8.3

As a seasoned professional with over 7 years of experience in Graphic Design, UI/UX, and Website Design, I believe I am supremely equipped to tackle this project. I am well-versed in using Figma, React, and Vue to develop clean and modern interfaces that prioritize smooth navigation and responsiveness. I will ensure the final code is modular, well-commented, and above all, production-ready. On top of my technical expertise, what sets me apart is my commitment to client satisfaction. Offering unlimited revisions until your vision becomes a reality and providing a full refund if you're not happy with the end result are just some of the ways I prioritize your happiness as a client. Lastly - but most importantly - I understand that your project must be accessible around-the-clock without any glitches. You can rely on my skills in API handling to repair those authentication issues that have been complicating the user journey and achieve consistent returns that meet both normal usage and failure conditions. With my dedication to quality results and sustainable solutions,I am ready to reshape your web application for enhanced user experience starting now!
$750 USD in 7 days
8.1
8.1

Hello, I will redesign your front-end with a clean, minimal UX and fix the authentication flow so your app becomes smooth, reliable, and production-ready. I have strong experience with React and modern front-end architectures, along with debugging API auth issues (JWT/OAuth, token refresh, session handling). I have worked on similar projects where clunky UX and unstable login systems were transformed into fast, consistent user experiences. My approach is to prototype a minimal UI (Figma if needed), rebuild the front-end with modular components, and fix auth logic to ensure stable token handling and error responses. I will also add basic tests for critical flows. I will deliver clean code, documentation, and a smooth handoff. Let’s connect and improve your app. Regards, Smile Mittal
$800 USD in 12 days
8.1
8.1

Hey, If your app feels clunky and users are running into login issues I can help you rebuild the experience into something clean fast and reliable so users move through it without friction. I can redesign your frontend with a minimal and modern interface that improves navigation and usability across all devices. I work with React and similar frameworks to build modular and production ready code and I can also create a quick prototype before development to align everything with your vision. On the backend side I will track down and fix the authentication issues whether it is JWT handling token refresh or session flow so login signup and protected routes work consistently without errors. I will make sure responses are clean and reliable and the system behaves correctly under real usage. You will get a smooth handover with clear setup guidance and a walkthrough so your team can confidently manage the codebase. I also focus on performance accessibility and stability so the final product feels polished and dependable. Portfolio link: httpswwwfreelancerpkuphammadhassan21 I am ready to start immediately so please open a chat so we can discuss your flow issues and plan the best solution. Thanks...
$900 USD in 7 days
7.8
7.8

⭐⭐⭐⭐⭐ Create a Smooth and Minimalistic Front-End for Your Web Application ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a front-end makeover and API fixes. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for web applications. I will focus on creating a clean and easy-to-navigate interface while resolving the authentication issues in your API. ➡️ Why Me? I can easily handle your front-end redesign and API repairs as I have 5 years of experience in UI/UX design and front-end development. My expertise includes React, Vue, and modern web technologies. Not only this, I have a strong grip on API integration and authentication, ensuring a smooth user experience. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ UI/UX Design ✅ Front-End Development ✅ React ✅ Vue ✅ Figma Prototyping ✅ API Integration ✅ JWT/OAuth Handling ✅ Session Management ✅ Responsive Design ✅ Code Optimization ✅ Accessibility Compliance ✅ Debugging Waiting for your response! Best Regards, Zohaib
$900 USD in 2 days
7.8
7.8

Hi, Doomshell Software can help you refine your product experience and stabilize your authentication flow with a clean, modern front-end and reliable API behavior. Our approach: We’ll tackle this in two parallel tracks—UX/UI simplification and auth/API stabilization—ensuring both design and functionality improve together. UX/UI Rebuild • Minimal, clean interface with clear hierarchy and whitespace • Improved navigation and intuitive user flow • Figma prototype (optional) before development • Fully responsive across desktop & mobile • Accessibility checks (contrast, keyboard navigation) Front-end Implementation • Built using React (recommended) or Vue • Modular, scalable, and well-documented code • Optimized for fast navigation (<200ms transitions) • Clean state management and component structure Quality & Delivery • No console errors, stable performance • End-to-end testing of login, signup, protected routes • Clean Git commits and structured codebase Why us: ✔ Strong experience in UX revamps + API debugging ✔ Focus on performance, clarity, and reliability ✔ Clean, maintainable code with long-term scalability Quick question: Which framework is your current frontend built on, and what auth method are you using (JWT, OAuth, sessions)? Ready to turn your app into a smooth, reliable, and user-friendly experience. Best regards,
$1,325 USD in 9 days
7.9
7.9

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