I will build a scalable backend API with nodejs or fastapi

R
rtfdeamon1
R
rtfdeamon1
Dmitrii B
build a scalable backend API with nodejs or fastapi
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build a scalable backend API with nodejs or fastapi

About this gig

I will design and develop a scalable backend API for your product.


REST API / microservices

Authentication & authorization

Database design (PostgreSQL, MongoDB)

High-load architecture

Real-time features (WebSockets)


Tech stack: Node.js, Python, FastAPI, Redis, Docker


I build production-ready systems not just prototypes.


Perfect for:

SaaS platforms

Startups

Scalable backend systems


Contact me before placing an order.

  • Programming language

    • Python

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Databases
    • Source control
    • Testing procedures

  • Frontend framework

    • Next.js
    • React.js
    • Vue.js

  • Backend framework

    • Django
    • Express.js
    • FastAPI
    • Node.js
    • Spring

  • AI & low/no code builders

    • Lovable
    • Co.dev
    • Cursor
    • Bubble

Get to know Dmitrii B

Dmitrii B

Full Stack Engineer Video Streaming, AI, WebRTC, Backend

  • FromRussia
  • Member sinceJan 2026
  • Avg. response time2 days

  • Languages

    Russian, English
I design and build production-grade software: live streaming platforms, WebRTC systems, and AI-powered applications. ✔ Video: WebRTC, RTMP/HLS, OBS integrations, real-time media pipelines ✔ AI: RAG systems, GPT-4o Vision, voice bots, chatbots with memory ✔ Backend: Python, Node.js, Go, Docker, Redis, PostgreSQL Production systems I’ve built handle 10K+ concurrent users, real-time processing, and high-load streaming workflows. Let’s build something reliable and scalable.

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