You will get full-stack bug fixes for React, Next.js, and Node.js
Rising Talent
Project details
Are you facing bugs, errors, or unexpected issues in your web application?
I can help identify and fix problems in both frontend and backend applications built with modern JavaScript technologies.
Services include:
✓ React and Next.js bug fixes
✓ JavaScript and TypeScript error resolution
✓ Node.js and Express.js backend troubleshooting
✓ REST API debugging and integration fixes
✓ MongoDB and PostgreSQL database issues
✓ Authentication and authorization problems
✓ UI, responsive design, and functionality fixes
✓ State management and component debugging
✓ Build, deployment, and environment configuration fixes
✓ Performance and code quality improvements
Whether you're experiencing frontend errors, backend failures, API issues, database problems, or deployment challenges, I'll investigate the root cause and provide a clean, maintainable solution.
I work with existing codebases and can help quickly resolve issues to get your application running smoothly again.
Please contact me before placing an order if the issue is complex or requires extensive debugging.
I can help identify and fix problems in both frontend and backend applications built with modern JavaScript technologies.
Services include:
✓ React and Next.js bug fixes
✓ JavaScript and TypeScript error resolution
✓ Node.js and Express.js backend troubleshooting
✓ REST API debugging and integration fixes
✓ MongoDB and PostgreSQL database issues
✓ Authentication and authorization problems
✓ UI, responsive design, and functionality fixes
✓ State management and component debugging
✓ Build, deployment, and environment configuration fixes
✓ Performance and code quality improvements
Whether you're experiencing frontend errors, backend failures, API issues, database problems, or deployment challenges, I'll investigate the root cause and provide a clean, maintainable solution.
I work with existing codebases and can help quickly resolve issues to get your application running smoothly again.
Please contact me before placing an order if the issue is complex or requires extensive debugging.
Programming Languages
HTML & CSS, JavaScript, TypeScriptWhat's included
| Service Tiers |
Starter
$10
|
Standard
$20
|
Advanced
$60
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 5 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Bug Investigation | - | - | - |
Fix Documentation | - | - | - |
Detailed Code Comments | - | - | - |
Optional add-ons
You can add these on the next page.
Bug Investigation
(+ 1 Day)
+$20
Fix Documentation
(+ 5 Days)
+$50Frequently asked questions
About Tumpa
Node.js & Next.js Web Developer | SaaS MVP & Admin Dashboard Builder
Chattogram, Bangladesh - 3:33 am local time
I'm a 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 3 years of experience building production-ready web applications from architecture to deployment.
I've built multi-vendor marketplaces, SaaS platforms, real-time chat systems, fintech backends, and AI-powered apps. My focus is always the same: clean architecture, typed code, and systems that don't break when real users show up.
𝐀𝐫𝐞 𝐲𝐨𝐮 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫:
→ A Full-Stack Developer who builds clean, scalable web apps from scratch?
→ A backend-focused developer who takes real-time systems, APIs, and databases seriously?
→ A Next.js or React developer to bring your UI to life?
→ A developer to debug and fix your broken Node.js or Next.js app?
→ Someone to integrate Stripe payments, third-party APIs, or build an admin dashboard?
→ A developer who delivers on time, communicates clearly, and writes code you can actually maintain?
𝐓𝐡𝐞𝐧 𝐲𝐨𝐮'𝐫𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐫𝐢𝐠𝐡𝐭 𝐩𝐥𝐚𝐜𝐞.
⭐️ What I build Already:
✔️ SaaS MVPs - auth, billing, dashboards, APIs, deployment
✔️ Multi-vendor marketplace platforms with payment and payout systems
✔️ REST API backends with JWT auth, RBAC, and third-party integrations
✔️ Real-time features with SocketIO (live chat, notifications, dashboards)
✔️ Admin panels with role-based access control
✔️ Stripe / SSLCommerz payment integrations with webhook handling
✔️ AI integrations - OpenAI API, LangChain, RAG pipelines
🛠️ Tech Stack
- 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: Next.js, React, TypeScript, Tailwind CSS, Redux Toolkit
- 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express.js, TypeScript, Prisma, PostgreSQL, Redis, BullMQ, SocketIO
- 𝐀𝐮𝐭𝐡 & 𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬: Passport.js, Stripe, SSLCommerz
- 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐓𝐨𝐨𝐥𝐬: Docker, Vercel, Render, Cloudinary, Git
💼 Services I Offer
✔️ Full-Stack Web App Development (Next.js + Node.js)
✔️ REST API Design & Development
✔️ Real-Time Features (SocketIO, SSE)
✔️ Background Jobs & Queue Systems (BullMQ + Redis)
✔️ Database Design & Optimization (PostgreSQL + Prisma)
✔️ Payment Integration (Stripe, SSLCommerz)
✔️ AI-Powered App Development (LangChain, RAG, local LLMs)
✔️ Deployment & DevOps (Docker, Vercel, Render)
✨ What You'll Get
→ Clean, fully typed code - 𝐧𝐨 𝐬𝐡𝐨𝐫𝐭𝐜𝐮𝐭𝐬
→ 𝐌𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐫𝐢𝐯𝐢𝐬𝐢𝐨𝐧𝐬 until you are happy
→ Regular updates and 𝐭𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧
→ 𝐅𝐮𝐥𝐥 𝐨𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 of source code and deliverables
→ A developer who 𝐚𝐬𝐤𝐬 𝐭𝐡𝐞 𝐫𝐢𝐠𝐡𝐭 𝐪𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬 before writing a single line
👉 Whether you're launching a 𝐬𝐭𝐚𝐫𝐭𝐮𝐩 𝐌𝐕𝐏 or scaling an 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 - send me a 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 describing your project. I'll respond within an hour with a 𝐜𝐥𝐞𝐚𝐫 𝐩𝐥𝐚𝐧.
Keywords:
Full Stack Development . Web Developer . Web Development . Node.js Development · Next.js Development · React Development · TypeScript · REST API Development · API Integration · SaaS Development · SaaS MVP Development · Admin Dashboard Development · Web Application Development · E-commerce Development · Marketplace Development · CRM Development · Stripe Integration · Payment Gateway Integration · Authentication & Authorization · Role-Based Access Control · PostgreSQL · Prisma · Redis · SocketIO · Real-Time Applications · AI Integration · OpenAI API · LangChain · Background Jobs · BullMQ · Docker · Vercel · Render · Startup MVP · FinTech · EdTech . Healthcare . Web Design . Web Designer . Web Application . Website Design . Website Developer, Website Designer, Full Stack Web Development, Full Stack Web Developer . Full Stack Developer . HTML5 . CSS . CSS3 . Next.js . TypeScript .Full-Stack Development . Front-End Development . API Development . API Integration . RESTful API . Responsive Web Design . Web Design . Website Design . Web App Developer . Best Web Developer . Skilled Web Developer . Skilled Website Developer . Experienced Web Developer. Web App Development . Responsive Web Development . React . JavaScript . HTML
Steps for completing your project
After purchasing the project, send requirements so Tumpa can start the project.
Delivery time starts when Tumpa receives requirements from you.
Tumpa works on your project following the steps below.
Revisions may occur after the delivery date.
Review the Issue
I'll analyze the reported bug, error messages, screenshots, and project requirements to understand the root cause.
Debug and Fix
I'll investigate the code, identify the issue, and implement a clean and reliable solution.