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Fiverr Pro
English
$
USD
I will develop node js backend api using express, fastify, nestjs, etc
Roman Kubay
About this gig
Please Contact Me Before Placing an Order!
Need a powerful, scalable, and secure backend? I will build a professional Node.js REST API tailored to your exact needs.
As a full-stack developer, I understand how to create a backend that is not only robust but also easy for your frontend to work with.
What I Offer in This Gig:
- Custom REST API Development: Building your API from scratch based on your requirements.
- Secure User Authentication: Implementing JWT, Email & Password, and Social Logins (Google/Facebook/Apple/etc.)
- Database Integration & Schema Design: Professional setup for MongoDB (with Mongoose) or PostgreSQL (with Prisma)
- Third-Party API Integration: Connecting your backend to other services (payments, maps, etc.)
My Technology Stack:
- Frameworks: Express.js, Fastify, NestJS
- Databases: MongoDB, PostgreSQL, Redis, etc.
- Languages: JavaScript, TypeScript
- Authentication: JWT, Passport.js, OAuth 2.0
Looking for more? If you need a complete Flutter application, UI development from a Figma design, or bug fixing services, send me a message! Let's discuss your project.
Get to know Roman Kubay
Roman Kubay
Full Stack developer with 5 years of experience
- FromUkraine
- Member sinceJul 2025
Languages
English, Ukrainian
I build:
• Smart AI agents & LLM integrations using LangChain;
• Fast, interactive web apps using React & Next.js;
• Secure, high-performance backends using Node.js;
• Cross-platform apps using Flutter & Firebase;
• Clean, modern UI/UX designs in Figma;
• ... and much more!
Let's build something great together!
My Portfolio
FAQ
❓What do I need to provide to get started?
To start, please provide a detailed description of your requirements. This can include user stories ("A user should be able to..."), a list of required API endpoints (e.g., POST /users/register), or any existing documentation. The more details you provide, the better I can understand your vision
❓Can you add new features to an existing backend/app?
Of course! If you need to add new features or fix bugs, please contact me!
