React & Python Expert Needed

@techplusintl

Hi there, I will address the UI refresh issues, backend validation errors, and CORS configuration to ensure your web app runs smoothly. I have previously fixed similar bugs in a React and FastAPI project, enhancing its stability and user experience. Can you clarify if there are any specific error messages you want me to focus on for the backend validation? Regards, Burhan Ahmad

@ASirbescu

Hello, As a Full-Stack Developer, I possess all the core skills you need to bring your web application back on track. Having extensive experience with both React and Python, specifically FastAPI which you require for this project, I'm equipped with the necessary tools to hit the ground running fixing those frontend and backend bugs you've described. With a track record of successfully stabilizing and debugging complex full-stack applications, I'm confident in my ability to quickly identify and resolve the issues plaguing your app without needing to rebuild or overhaul it. In terms of estimated timeline, I believe in working efficiently without compromising on quality. I understand your need for a swift yet clean solution and assure you that's exactly what you'll get from me. Together, we can make your app fully functional, stable, and smooth with no need for manual refreshes. Just let me know when you're ready to take your app to the next level! Thanks!

@kareemmaize

Hi there, To make your React + FastAPI app stable without a rebuild, the most critical part is identifying the root cause behind state desynchronization and inconsistent API behavior. I’ll approach this by first tracing the data flow end-to-end — from frontend state updates to backend validation and response handling — to isolate where refresh logic breaks. Then I’ll correct state management patterns, tighten FastAPI validation with proper error handling, and fix CORS and TypeScript warnings so the app behaves predictably. This ensures the UI updates instantly without manual refresh and the backend responds with clean, structured errors. My process is simple: Audit frontend state flow and API interaction Stabilize backend validation and response contracts Test edge cases and remove console and TypeScript errors Once I review the repository, I’ll provide an exact timeline and fixed estimate. If this aligns with you, let’s discuss in detail via private chat.

@koolvishruth

Hi,I have 8 years of experience in Python,React,Backend development & also worked with 116+ clients.I am available immediately

@denisSolution

Hello, I have 5 years of experience as a freelancer specializing in Backend Development, React Native, Frontend Development, PHP, HTML and Python. i build high-performance, cross-platform mobile apps with clean code, smooth UI, and real-time functionality using REST and WebSocket. my work includes custom UI, animations, and seamless api integration. I focus on fast delivery, scalable code, and long-term support with client satisfaction as my top priority. i’m confident i can deliver a reliable, polished app that works flawlessly on both ios and android. I know what the difference between 99% and 100% is. I promise the perfect result. If you hire me, I will do my best until you are fully satisfied. Let’s discuss your project details to get started! Thanks, Denis

@AZTURK1

Hi there, I understand you need a senior full‑stack dev to stabilize an existing React (TypeScript) + Python (FastAPI) app , I can quickly diagnose and fix UI refresh, validation, CORS and TypeScript issues to make it work without manual reloads. - Fix React state updates and ensure UI refresh after create/delete - Implement proper FastAPI/Pydantic validation and error responses - Correct CORS setup and ensure reliable API calls + TypeScript warning fixes - Test end-to-end, add focused unit/integration checks and delivery notes Skills: ✅ Python ✅ React (TypeScript) ✅ state management & debugging ✅ API integration & CORS configuration ✅ validation, error handling & reliability Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I can start immediately and deliver a stable build within the agreed timeline. Which repo branch should I use, and can you grant temporary access plus a short list of the most-recent failing actions (create/delete, endpoints) so I can reproduce locally? Best regards,

@emmanverz

Hi there, I am writing to apply for your React/FastAPI stabilization task. With 8+ years of full-stack experience, I specialize in dropping into existing codebases, diagnosing bottlenecks, and shipping clean fixes without unnecessary rebuilds. Here is how I align with your specific needs: Similar Experience: I have spent years untangling complex state management issues in React (TypeScript) and hardening REST APIs. I am highly familiar with Pydantic validation in FastAPI and properly configuring CORS policies to bridge the frontend and backend. Debugging Approach: I always isolate the layer first. For UI refresh bugs, I trace the React state and data-fetching hooks to ensure proper cache invalidation or state updates. For the backend, I enforce strict Pydantic models to catch bad inputs early, ensuring the API returns standard, predictable HTTP error codes. Timeline: Depending on the size of the codebase, stabilization scopes like this typically take me [Insert your estimated timeline, e.g., 2 to 4 days] to fully resolve, test, and deploy. Modern Workflow: I utilize AI tools to rapidly trace bugs and clean up TypeScript warnings efficiently. You can also expect constant progress reports so you always know exactly what has been fixed. I am ready to review the repository and get your app running flawlessly. Best regards, Emman

@AnumFatima210

Hello, I came across your project React & Python Expert Needed and I am very interested in working with you. I have reviewed your requirements and fully understand the scope and expectations. I specialize in PHP, Python, HTML, Backend Development, Frontend Development, React Native and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity, and professionalism. I work transparently throughout the project so progress, deadlines, and expectations stay clear at every stage. I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Regards, Anum

@devbaloni1983

Hello, Hope your day is going great! I am a React.js Developer who builds fast, interactive, and fully responsive web applications. I focus on component reusability, optimized performance, and seamless API integration. What I Build 1. High-speed React dashboards 2. Custom UI components 3. Fully responsive frontends 4. API-connected applications 5. State management (Redux / Context) 6. Authentication systems 7. Realtime functionalities (Sockets / Live UI) Why Hire Me? 1. Pixel-perfect UI implementation 2. Modern design patterns & clean code 3. Excellent understanding of performance tuning 4. Fast development & strong communication 5. Experience with production-level React apps Ready to Start? Share your idea or design — I’ll give you: 1. Best approach 2. Timeline 3. Estimated cost Excited to work with you!

@Ahmedh058

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project. I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan

@brayanstiven5

Hi, there, I am a seasoned full-stack developer with expertise in React (TypeScript) and Python (FastAPI). I have a proven track record of successfully fixing and stabilizing web applications, ensuring seamless functionality. ✅ Utilizing my experience, I will address frontend issues, backend validation issues, CORS configuration issues, TypeScript warnings, API calls, and state updates to enhance stability without altering the stack. ✅ My bug-fixing methodology involves thorough debugging across the full stack to pinpoint and resolve issues efficiently. ✅ I estimate completing the stabilization task within a prompt timeline to make the app fully functional and stable. I look forward to working with you. Best Regards, Brayan

@jonhw5

Hello, thanks for posting this project. Your requirements align well with my expertise in both React (TypeScript) and FastAPI. I have a strong track record of troubleshooting and resolving frontend state management issues, API integration problems, and backend validation in similar full-stack applications. My workflow prioritizes targeted debugging, thorough error analysis, and implementing stable, maintainable fixes without introducing unnecessary changes to your existing stack. I have successfully stabilized React/FastAPI projects before by tightening CORS configurations, optimizing API reliability, and ensuring smooth frontend updates without manual refreshes. Clean code, precise validation using Pydantic, and rapid, well-documented delivery are always my focus. Could you share details about the current deployment environment or any recent significant changes to the codebase?

@Mani7Meena

Hi, I’ve fixed similar React (TypeScript) + FastAPI apps where UI didn’t refresh due to improper state updates, missing dependency arrays, or stale query caching. I’ve also cleaned up CORS misconfigurations and improved FastAPI validation using proper Pydantic models and structured error responses. My approach: - Reproduce issues locally. - Trace API calls (network + backend logs). - Fix state update flow (ensure optimistic updates or proper re-fetching). - Standardize error handling (HTTP status codes + validation messages). - Clean TypeScript warnings and console errors. - Test full CRUD flow without manual refresh. No stack changes. No unnecessary refactoring. Just clean, stable fixes. I focus on reliability and clean debugging, not quick hacks. Happy to start immediately.

@ZAHID56

Hello, I’m a senior full-stack developer with strong experience stabilizing existing React (TypeScript) and FastAPI applications. I’ve handled similar bug-fixing tasks involving UI state not refreshing, API validation and error handling with Pydantic, CORS misconfigurations, and TypeScript warnings or console errors. My approach is to first reproduce issues, trace frontend state and API flows end-to-end, then apply clean, minimal fixes without changing the stack or rewriting the app. I focus on reliability, clear error handling, and smooth UI updates so the application works as expected without manual refreshes. I can deliver a clean and stable fix efficiently and keep communication clear throughout the process. Best regards, Zahid

@nicolasalexandro

I already see a clean way to execute this. I specialize in React and Python (Django/FastAPI/Flask) for production web apps, and I’ve spent years coming into existing codebases, untangling issues, and tightening things up without breaking what already works. Jumping into a small existing app and getting it stable, faster, and cleaner is exactly the kind of work I do best. You want your current web app to feel solid: bugs fixed, flows working smoothly, cleaner code, and any improvements done in a way that’s easy to maintain going forward. The goal is a reliable product you can ship and iterate on without worrying about hidden problems. High level, I’d review the current React and Python stack, fix the obvious issues first, then layer in performance and UX improvements where they’ll have the biggest impact. Quick question: do you have a list of current bugs and improvements, or should I help you define and prioritize that? Lets chat more about your project, worst case you walk away with a free strategy session Regards

@syedraza21295

Hello, I am a seasoned full-stack developer proficient in React, TypeScript, and Python, with extensive experience in bug-fixing and stabilization tasks. I have carefully reviewed your project requirements and am equipped to address the issues you've outlined. To tackle the frontend challenges, I will focus on resolving UI refresh issues and TypeScript warnings, ensuring seamless state updates. On the backend, I will rectify validation errors, CORS configuration, and enhance API reliability. With my expertise in FastAPI and React state management, I am well-positioned to deliver a stable and fully functional web app, meeting your goal of smooth operation without manual refresh. I look forward to discussing my approach to debugging and estimated timeline in further detail. Best regards, Syed

@Hemantt841

Thank you for considering me for your React & Python bug-fixing project. I was drawn to your project description because of the focus on stabilizing and improving an existing web app, rather than starting from scratch. With over 7 years of experience in software development, I have successfully tackled similar bug-fixing tasks that align closely with your project requirements. Here’s how I would approach this project: Key Steps: - Identify and prioritize frontend issues affecting UI refresh - Implement proper error handling for backend validation - Configure CORS settings to resolve cross-origin issues - Address TypeScript warnings and console errors - Test and optimize API calls and state updates - Conduct thorough testing to ensure stability without major overhauls Technologies/Tools: - React (TypeScript) for frontend - Python (FastAPI) for backend - Pydantic for validation in FastAPI - React DevTools for debugging - Postman for API testing In a recent project, I debugged similar frontend/backend issues for a client, resulting in a 30% increase in app performance and a 50% reduction in user-reported errors. This experience has equipped me with the skills needed to efficiently troubleshoot and fix issues like the ones you've outlined. For your project, I estimate a turnaround time of 2-3 weeks, depending on the complexity of the issues. I am committed to delivering a reli

@alibanani

Hello, I'm Ali Banani, a seasoned full-stack developer with over 5 years of experience in React, TypeScript, Python, and FastAPI. I have a strong background in software and web development, social media management, digital marketing, and graphic design. I have carefully reviewed your project requirements and am confident in my ability to address the issues you've outlined. I specialize in fixing frontend and backend issues, ensuring proper validation, resolving CORS configuration problems, and enhancing overall stability without altering the existing stack. You can view my portfolio here: https://www.freelancer.com/u/alibanani Let's discuss further details in the chat. Looking forward to collaborating with you. Best regards, Ali Banani

@cindyviorinar

Hi, I’ve read your description and I’m confident I can stabilize your React (TypeScript) + FastAPI app without changing the stack. I have extensive experience fixing UI state-refresh bugs, TypeScript warnings, CORS misconfigurations and Pydantic/FastAPI validation and error handling. I’ll start by running the app locally, reproducing failures, adding tests where helpful, and applying targeted fixes to API error responses, CORS settings, and React state updates so CRUD operations update the UI immediately. I’ll keep changes small, well-documented and focused on maintainability. Can you provide the repository link and steps to reproduce the UI refresh and validation errors (or example failing requests)? Thanks, Cindy Viorina