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I will nestjs backend developer ai web app saas development
Hamza Manzoor
About this gig
EXPERT NESTJS BACKEND & AI DEVELOPMENT
Looking for a premium nestjs backend developer to scale your product? If your app suffers from latency, database bottlenecks, or scalability issues, you need a robust architecture. As an elite nestjs backend developer, I build rock-solid, production-grade API systems integrated with cutting-edge AI.
Here is what you will receive:
- - Scalable NestJS backend with strict TypeScript
- - Robust PostgreSQL/MongoDB schemas via Prisma/TypeORM
- - OpenAI API, LangChain, and vector DB integrations
- - Secure JWT/OAuth2 and role-based access control (RBAC)
- - Multi-tenant data isolation and clean REST/GraphQL APIs
As a senior nestjs backend developer, I bring years of AWS, Docker, and Kubernetes expertise. Unlike other sellers, I guarantee zero multi-tenant data leaks, robust error handling, and 30 days of post-launch support.
Lets build something extraordinary. Please message me with your project requirements before placing your order to ensure we align on the roadmap!
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Get to know Hamza Manzoor
Hamza Manzoor
Full Stack Frontend Developer React Nextjs Custom Websites
- FromPakistan
- Member sinceDec 2022
- Avg. response time1 hour
- Last delivery10 months
Languages
Urdu, Punjabi, English
Hi, I’m Hamza, a Senior Full-Stack Developer with 6+ years of experience building scalable, production-ready web applications. I work across Next.js, React, Node.js, NestJS, Laravel, REST & GraphQL APIs, and databases like MySQL & PostgreSQL. I also handle AWS deployments, Docker, and CI/CD pipelines, ensuring secure and reliable systems. I focus on clean code, clear communication, and delivering real business value.
My Portfolio
FAQ
How to prevent data isolation issues in a multi-tenant NestJS backend?
We implement strict database-level schemas, tenant-specific connection pooling, and NestJS request-scoped context interceptors to guarantee 100% data isolation and zero cross-tenant leaks.
How to integrate OpenAI API or LangChain into my existing NestJS backend API?
I build modular NestJS service wrappers for OpenAI and LangChain, integrating vector databases (pgvector/Pinecone) and managing model response caching to minimize latency and API usage costs.
How do we handle scope creep during our NestJS custom web application development?
Every project begins with a detailed Technical Specification Document. Any features requested outside this agreed roadmap are handled via transparent, milestone-based custom offers.
Do I get full ownership of the NestJS code and AWS deployment credentials?
Yes, absolutely. Upon completion, 100% of the repository ownership (GitHub/GitLab) and cloud infrastructure credentials (AWS, Docker registries) are securely and cleanly transferred to you.
How to optimize high-performance NestJS microservices for scale?
I implement Redis caching, asynchronous queue handling (BullMQ), database index tuning, and containerize the service using Docker for seamless horizontal scaling on AWS ECS or Kubernetes.
