Python Backend Developer Needed for Python API Development & Backend Integration

Posted 2 days ago

Worldwide

Summary

We are looking for an experienced Python developer to help build and maintain a Python-based backend system. The ideal candidate should be proficient in Python programming, with strong hands-on experience in Python web frameworks such as Django, Flask, or FastAPI. This is a great opportunity for a skilled Python developer who enjoys backend architecture, Python scripting, and API development. Responsibilities: Develop and maintain backend services using Python Build and integrate RESTful APIs using Python frameworks (Flask/Django/FastAPI) Write clean, efficient, and well-documented Python code Debug and optimize existing Python scripts and modules Work with databases (PostgreSQL/MySQL/MongoDB) using Python ORMs like SQLAlchemy or Django ORM Implement authentication, data validation, and error handling in Python Collaborate on Python unit testing and code reviews Integrate third-party APIs and services into the Python backend Handle data processing and automation tasks using Python Requirements: Proven experience as a Python Developer or similar backend role Strong understanding of Python core concepts, OOP, and design patterns Experience with at least one Python web framework (Django, Flask, or FastAPI) Familiarity with Python libraries such as Pandas, NumPy, or Requests (as applicable) Experience writing Python unit tests (PyTest/unittest) Knowledge of REST API design and integration Git version control experience Ability to write clean, scalable, production-ready Python code Good communication skills and ability to work independently Nice to Have: Experience with Python async programming (asyncio) Familiarity with Docker and deployment of Python applications Experience with Celery, Redis, or task queues in Python Cloud experience (AWS/GCP/Azure) for deploying Python apps

  • $5.00

    Fixed-price
  • Intermediate
    Experience Level
  • Remote Job
  • One-time project
    Project Type
Skills and Expertise
Mandatory skills
Python
REST API
Python Script
Nice-to-have skills
Django
Activity on this job
  • Proposals:20 to 50
  • Last viewed by client:yesterday
  • Hires:
    1
  • Interviewing:
    0
  • Invites sent:
    1
  • Unanswered invites:
    0
About the client
Member since Oct 26, 2025
  • United States
    Parker8:29 PM
  • $11K total spent
    581 hires, 30 active
  • 119 hours
  • Automotive
    Individual client

Explore similar jobs on Upwork

Solidity
Ethereum
Smart Contract
Blockchain
Cryptocurrency
Blockchain Architecture
ERC-20
API
Software Architecture & Design
Odoo
Odoo Development
Accounting

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo