You will get your React or Next.js bug fixed and app performance improved fast
Rising Talent
Project details
Broken app. Slow load times. A bug you've spent three days on and still can't fix. I've heard it all — and I can solve it fast.
I specialise in diagnosing and fixing bugs in React and Next.js applications: rendering issues, broken API calls, authentication errors, state management problems, memory leaks, and slow Lighthouse scores. I work with TypeScript, JavaScript, Node.js, and most common libraries in the React ecosystem.
Before touching your code I send you a written diagnosis of the root cause. No guessing, no "I'll try a few things and see." You know exactly what the problem is and how I'll fix it before work begins.
What makes this different from hiring a generalist:
✔ I've seen these bugs before — diagnosis is fast
✔ Before + after Lighthouse score for performance fixes
✔ Fix delivered via pull request or clean ZIP with notes
✔ No hacks or workarounds that create new problems later
✔ If I can't fix it, I tell you upfront — no wasted time
Share your repo link and describe the issue in your order. Most bugs are resolved within 24–48 hours.
I specialise in diagnosing and fixing bugs in React and Next.js applications: rendering issues, broken API calls, authentication errors, state management problems, memory leaks, and slow Lighthouse scores. I work with TypeScript, JavaScript, Node.js, and most common libraries in the React ecosystem.
Before touching your code I send you a written diagnosis of the root cause. No guessing, no "I'll try a few things and see." You know exactly what the problem is and how I'll fix it before work begins.
What makes this different from hiring a generalist:
✔ I've seen these bugs before — diagnosis is fast
✔ Before + after Lighthouse score for performance fixes
✔ Fix delivered via pull request or clean ZIP with notes
✔ No hacks or workarounds that create new problems later
✔ If I can't fix it, I tell you upfront — no wasted time
Share your repo link and describe the issue in your order. Most bugs are resolved within 24–48 hours.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$49
|
Standard
$149
|
Advanced
$349
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | |
Content Upload | - | - | - |
Responsive Design | - | ||
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$25
Additional Page
(+ 1 Day)
+$55
Design Customization
(+ 1 Day)
+$45Frequently asked questions
About Jay
Senior Full Stack Engineer | MERN & Next.js Architecture
Rajkot, India - 10:25 pm local time
When you hire an engineer, you aren't just paying for lines of code—you are investing in data integrity, type safety, and system scalability. I am a Senior Software Developer specializing in building clean, resilient, and highly optimized technical infrastructure.
What I Do Best:
• Full-Stack Architecture Optimization: Building responsive Next.js frontends backed by rock-solid NestJS backend microservices.
• Database Performance & Scalability: Flawless MongoDB schema design, precise indexing, and precise pagination control under high traffic.
• Enterprise Security: Bulletproof JWT authentication, role-based access controls, and secure API gateways.
• Autonomous AI Integration: Engineering robust agentic flows using Python and Pydantic AI with explicit routing and state validation.
My Engineering Standards:
1. Strict Type-Safety: Complete TypeScript implementation with rigid linting standards.
2. Production-Ready Workflows: Clean folder structures, modular components, and comprehensive API documentation.
3. Radical Transparency: Weekly code reviews, structured progress updates, and clean git commit histories.
No fragile boilerplate code. Just high-performance systems designed to scale.
💬 Let's map out your architecture. Message me to schedule a complimentary 15-minute technical discovery call.
Steps for completing your project
After purchasing the project, send requirements so Jay can start the project.
Delivery time starts when Jay receives requirements from you.
Jay works on your project following the steps below.
Revisions may occur after the delivery date.
Code review & bug diagnosis
I review your codebase and reproduce the issue locally. I identify the root cause and send you a short written diagnosis before making any changes to your code
Fix implementation
I implement the fix with clean, documented code — no hacks or workarounds that create future problems. For performance fixes I run Lighthouse before and after to show the improvement.