I will debug and fix bugs in react, node, angular, nestjs, API and database


About this gig
Are you facing bugs in your web application, API, database, payment flow, deployment, or AI-powered application? I can help you debug, fix, and improve your application professionally.
I am a Senior Full Stack Developer with 8 years of experience working with React, Next.js, Angular, Vue.js, Node.js, Express.js, NestJS, TypeScript, JavaScript, MongoDB, MySQL, PostgreSQL, Sequelize, GraphQL, Stripe, REST APIs, AI/LLM integrations, and deployment platforms.
I can fix issues related to:
Frontend bugs in React, Next.js, Angular, Vue.js
Backend bugs in Node.js, Express.js, and NestJS
API errors, authentication issues, and role-based access bugs
Database issues in MongoDB, MySQL, and PostgreSQL
Stripe payment and checkout issues
GraphQL and REST API issues
AI/LLM integration and chatbot bugs
Deployment issues on AWS, Cloudways, Render, and Railway
Swagger, Postman, and API testing issues
UI bugs, responsiveness issues, and Tailwind CSS fixes
Performance, validation, and server-side errors
I focus on clean code, proper debugging, and long-term stable fixes.
Please message me before placing an order so I can review the issue and suggest the best package.
Get to know Mubashar Ilyas
Senior Full Stack Developer Angular, React, Next js, Node js
- FromPakistan
- Member sinceJul 2021
- Last delivery1 year
Languages
Urdu, English, Hindi, French
My Portfolio
Other Software Development Services I Offer
FAQ
Can you fix bugs in both frontend and backend?
Yes, I can fix bugs in frontend, backend, APIs, databases, payment flows, and deployments.
Which technologies do you work with?
I work with React, Next.js, Angular, Vue.js, Node.js, Express.js, NestJS, TypeScript, JavaScript, MongoDB, MySQL, PostgreSQL, Prisma, Sequelize, GraphQL, Stripe, and AI/LLM APIs.
Can you fix deployment issues?
Yes, I can help with deployment issues on AWS, Cloudways, Render, Railway, and similar platforms.
Can you fix Stripe payment bugs?
Yes, I can fix Stripe checkout, webhook, subscription, payment failure, and integration issues.
Can you fix AI or LLM integration bugs?
Yes, I can debug AI-powered applications, chatbot flows, OpenAI/LLM API issues, prompt/API response issues, and backend integration bugs.
Do you need access to my code?
Yes, I may need GitHub/GitLab access, source code, error screenshots, API details, environment information, or server logs depending on the issue.
Should I message before ordering?
Yes, please message me first so I can review the issue and recommend the right package.
