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$
USD
I will build ai powered scalable backend apis microservices with python nodejs nestjs
Alamin
About this gig
Senior Full-Stack AI Engineer with 10+ years experience. I build high-performance, scalable, and production-ready backend systems using modern technologies.
What I deliver:
- REST & GraphQL APIs
- Microservices Architecture
- Event-Driven Systems & Message Queues (Kafka, RabbitMQ)
- AI Integrations (OpenAI, Anthropic, Gemini, Azure OpenAI, Groq)
- Authentication (JWT, OAuth2, RBAC, SSO)
- Payment & Webhooks (Stripe, PayPal)
- Background Jobs, Caching & Rate Limiting
- Database Design (PostgreSQL, MongoDB, Redis)
- API Documentation (Swagger/OpenAPI)
- Docker & CI/CD readiness
Tech Stack:
NestJS (Node.js/TypeScript), FastAPI (Python), Prisma, TypeORM, SQLAlchemy, BullMQ, Redis, etc.
Ideal for:
- AI SaaS platforms
- Multi-tenant applications
- Mobile app backends
- Enterprise integrations
- Fintech, Healthcare & Logistics systems
I focus on clean, secure, maintainable code with scalability and performance in mind. You receive full source code, detailed documentation, and 30 days free support.
Ready to turn your idea into a robust backend? Message me your requirements for a fast proposal.
Get to know Alamin
Alamin
Full Stack Engineer
- FromBangladesh
- Member sinceSep 2017
- Avg. response time1 hour
- Last delivery5 months
Languages
English, Bengali, Hindi
Qualified and professional software engineer with 8+ years of experience in Web Application Development .
Strong creative problem solving and analytical skills. Team player with an eye for details.Strong organizational
and time management skills.Exceptional communication and interpersonal skills.Ability to work independently
as part of a team and Detail-oriented and able to handle multiple tasks simultaneously.
FAQ
Q: What technologies do you use?
A: I specialize in React.js, Next.js, Node.js, NestJS, Express.js, TypeScript, Django, Flask, MongoDB, PostgreSQL, MySQL, Firebase, Tailwind CSS, AWS, Azure, Oracle Cloud, and Vercel.
Q: Can you build AI-powered web applications?
A: Yes. I develop AI-powered applications using OpenAI, Claude, Gemini, LangChain, RAG systems, AI chatbots, AI agents, document processing, and workflow automation.
Q: Can you work on an existing project?
A: Absolutely. I can add new features, fix bugs, optimize performance, refactor code, improve security, or continue development on your existing application.
Q: Do you provide the complete source code?
A: Yes. You will receive the complete source code, documentation (when applicable), and ownership of the developed project.
Q: Can you deploy my application?
A: Yes. I can deploy your application to AWS, Azure, Oracle Cloud, Firebase, Vercel, DigitalOcean, or your preferred hosting platform.
Q: Do you build SaaS platforms?
A: Yes. I build scalable SaaS applications with authentication, dashboards, subscription systems, APIs, role-based access control, payment integration, and AI features.
Q: Can you integrate third-party APIs?
A: Yes. I can integrate payment gateways, OpenAI, Google APIs, Stripe, PayPal, Twilio, Firebase, Shopify, social login, and many other third-party services.
Q: Will my application be secure?
A: Yes. I follow industry best practices, including secure authentication, role-based authorization, input validation, API security, database protection, and performance optimization.
Q: Do you offer support after delivery?
A: Yes. I provide post-delivery support, bug fixes, and can also offer long-term maintenance and feature enhancements if needed.
Q: Should I contact you before placing an order?
A: Yes. Every project has unique requirements. Please contact me before ordering so we can discuss your goals, estimate the scope, and choose the best package.
