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I will fix your lovable ai website, mobile app, API or desktop app
Waleed
About this gig
Is your website buggy, your mobile app crashing or your API not working as expected?
Maybe your desktop or 3D website feels slow and broken?
Im here to help.
Hi Im Waleed, a Full Stack Developer with expertise in MERN Stack, Next.js, NestJS, React Native, Electron and 3D technologies like Three.js/R3F. I specialize in debugging, fixing, and optimizing applications so they run smoothly, securely, and efficiently.
What I Can Fix For You:
- Websites (Frontend & Backend): React.js, Next.js, TypeScript, Node.js, NestJS, Express.js, Tailwind, MUI, Prisma, SQL/NoSQL DBs
- Mobile Apps: React Native, Expo (iOS & Android bug fixes & optimization)
- APIs & Integrations: REST, GraphQL, Firebase, Auth (JWT, OAuth, 2FA), Payment APIs
- Desktop Apps: Electron.js (bugs, packaging, deployment)
- 3D Websites: Three.js, React Three Fiber (R3F), WebGL, physics-based features
- WordPress: Theme/plugin issues, bugs, speed & security optimization
Why Choose Me?
- Expert in debugging and optimization
- Clean, scalable, and secure fixes
- Fast delivery with clear communication
- 100% satisfaction guaranteed
- End-to-end support (fix optimize deploy)
Message me now for a FREE consultation or custom offer!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Waleed
Waleed
Your Trusted Web, Mobile and 3D Apps Developer
- FromPakistan
- Member sinceJul 2025
- Avg. response time1 hour
- Last delivery2 weeks
Languages
Urdu, English, Hindi
Full Stack Developer | With Over 5+ Years Experience In Building Production Scale Applications Specialized in MERN Stack, Nextjs, NestJS, React Native, Electronjs, Threejs/R3F and Wordpress.
I design and deliver high performance, scalable web and mobile applications. I have built real time dashboards, e-commerce platforms, POS Softwares and immersive 3D experiences using Three js and R3F, optimizing both UX and backend efficiency. Passionate about clean code and continuous integration, I help businesses accelerate growth with robust, SEO friendly solutions.
My Portfolio
FAQ
What do you need to get started?
I’ll need access to your codebase (GitHub/ZIP), bug details, and environment setup instructions.
Do you work on existing codebases?
Yes! I can debug, refactor, and optimize your current project.
What if I’m not sure about the issue?
No worries — contact me first! I’ll analyze your project and suggest the best fix before starting.
Do you provide deployment help?
Yes, I can deploy fixes on hosting platforms (Vercel, AWS, DigitalOcean, Play Store, App Store).
Do you support both frontend and backend fixes?
Absolutely. I handle frontend (React, Next.js, Tailwind, MUI) and backend (Node.js, NestJS, Express, Prisma, Databases).
Do you fix WordPress issues?
Yes. I handle theme/plugin bugs, customization errors, speed optimization, and security fixes.
Can you fix mobile apps (iOS & Android)?
Yes, I work with React Native + Expo and can solve UI issues, crashes, performance bugs, and API integration problems.
Can you fix urgent bugs?
Yes! Contact me for express delivery.
Do you work on 3D or interactive websites?
Yes! I can fix or optimize projects built with Three.js, React Three Fiber (R3F), WebGL, and physics engines (Rapier).
Can you fix desktop apps?
Yes, I fix Electron.js apps including packaging, database integration, and deployment issues.
