I will build scalable backend apis and services in python and fastapi

J
jd192005
J
jd192005
Justin D
build scalable backend apis and services in python and fastapi
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build scalable backend apis and services in python and fastapi
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build scalable backend apis and services in python and fastapibuild scalable backend apis and services in python and fastapibuild scalable backend apis and services in python and fastapi

About this gig

Hey, I'm Justin a backend developer specializing in clean, production-quality APIs in Python with FastAPI.

If you need a backend service built whether it's an API for your web app, a database-backed service, or a Python script that needs to live behind real endpoints you're in the right place.

What I'll deliver:

FastAPI backend with proper request validation (Pydantic) PostgreSQL or SQLite integration with clean schema design JWT or API-key authentication Error handling, status codes, and structured responses Auto-generated Swagger documentation Clean, readable code that you (or your next developer) can actually maintain README with setup instructions

Why work with me:

I'm not just stringing together tutorials. My personal projects include a distributed task queue with retries and dead-letter handling, and a multi-agent LLM platform with PostgreSQL row-level locking so I genuinely understand backend systems beyond the basics.

Tech I work with: Python, FastAPI, PostgreSQL, Redis, Docker, Pydantic, SQLAlchemy

Before ordering: message me with what you need built. I'll send a custom quote if your scope is different from the standard packages saves both of us time.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Design
    • Source control

  • Programming language

    • Python

  • Frontend framework

    • Next.js
    • Tailwind CSS

  • Backend framework

    • FastAPI
    • Flask
    • Next.js
    • Node.js

Get to know Justin D

Justin D

Student

  • FromIndia
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English
Hey, I'm Justin. My degree says Electronics and Communication Engineering, but somewhere between circuit diagrams and lab reports I fell down the software rabbit hole and never came back. I build backend systems and ML pipelines, distributed task queues, multi-agent LLM platforms, models that reconstruct speech from silent video. Stuff that has to work under load, not just compile. I work in Python with FastAPI, PostgreSQL, Redis, Docker, and PyTorch. Final-year student, AI/ML minor, hungry, deep on problems, student pricing. Need a backend, ML prototype, or docs-reader? Let's talk ;)

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