Browse categories
Explore
Fiverr Pro
English
$
USD
I will do nodejs nestjs backend development
Inzamamul H
About this gig
Are you looking for a secure, enterprise-grade backend built to scale? I am a Senior Software Engineer specializing in architecting robust server-side applications using NestJS, TypeScript, and Node.js. I design bulletproof, modular architectures built to handle heavy production stress.
What I Offer:
- Enterprise NestJS Architecture: Clean, modular scaffolding using strict OOP and SOLID design principles.
- Absolute Data Integrity: Expert database integration with MongoDB and PostgreSQL. I enforce multi-document ACID transactions to prevent data loss.
- High Performance: Redis caching integration for instant dashboard loads and background queues (BullMQ).
- Ironclad Security: Secure JWT lifecycles via HTTP-only cookies, password encryption (bcrypt), and granular Role-Based Access Control (RBAC) middleware.
- DevOps Ready: Production-ready Docker containerization and automated GitHub Actions CI/CD pipelines for AWS, Azure, or DigitalOcean.
- Interactive Docs: Complete OpenAPI/Swagger documentation for instant frontend integration.
I write maintainable, clean code and provide absolute transparency with live progress updates.
Please message me before ordering so we can map out your custom spec
Get to know Inzamamul H
Inzamamul H
Don't judge a book by it's cover
- FromChina
- Member sinceJan 2020
- Avg. response time1 hour
- Last delivery1 year
Languages
English, Chinese
Hi, I’m Inzamamul Haque. Over the past 3 years, I’ve helped clients transform complex ideas into high-performing web and mobile applications. Whether you need a robust web platform built with ASP.NET or MERN, or a seamless mobile app using React Native, I deliver scalable, user-centric solutions tailored to your business goals.
Got a project in mind? Let’s chat and bring your vision to life!
Among my clients
ENSYL
Bake Boost
My Portfolio
FAQ
What do I need to provide to get started?
To start, I will need your project requirements, user stories, or a wireframe/functional specification document. If you have chosen a database preference (MongoDB or PostgreSQL) or have an existing frontend architecture, please share those details as well.
Why do you recommend NestJS over Express.js?
Express is great for small apps, but it lacks structure. NestJS provides an enterprise-grade, modular architecture out of the box. It enforces TypeScript, strict typing, and clean design patterns (SOLID), making your backend highly maintainable, scalable, and easy for other developers to understand
How do you ensure financial data integrity and prevent calculation errors?
I implement MongoDB’s multi-document ACID transactions to ensure that multi-step operations (like ledger entries) either succeed completely or roll back entirely, preventing data corruption. Additionally, I handle all monetary values using precise decimal arithmetic libraries or minor units (cents)
What security measures do you implement in the backend?
Security is a top priority. I implement a robust JWT authentication lifecycle using short-lived access tokens and long-lived refresh tokens stored in secure, HTTP-only cookies. I also build custom middleware for granular Role-Based Access Control (RBAC), hash passwords with bcrypt, and sanitize all.
Will I get API documentation for my frontend team?
Yes, absolutely. Every backend I build comes with fully integrated, interactive Swagger (OpenAPI) documentation. This allows your frontend or mobile app developers to visualize, test, and integrate the API endpoints instantly without any guesswork.
Do you handle deployment and DevOps?
Yes. I containerize the entire application using Docker to ensure it runs identically in every environment. I can also set up automated CI/CD pipelines using GitHub Actions to securely deploy your code to cloud providers like AWS, Microsoft Azure, or DigitalOcean.
