.
Senior Python Engineer
  • Warsaw
Senior Python Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
SQUARE ONE RESOURCES sp. z o.o.
12. 12. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • FastAPI
  • MongoDB
  • AWS
  • OAuth2
  • JWT

about-project :


  • This is a senior-level role with a strong focus on Python, asynchronous REST APIs, and MongoDB in production environments.
  • You will work closely with product teams, data engineers, and DevOps to deliver scalable, secure, and reliable backend solutions running in the cloud.

responsibilities :


  • Design, develop, and maintain scalable backend services in Python
  • Build asynchronous RESTful APIs with proper validation and error handling (FastAPI)
  • Design and optimize NoSQL data models in MongoDB
  • Work with MongoDB Atlas in production environments
  • Implement secure authentication and authorization (OAuth2, JWT)
  • Integrate backend systems with AWS services (e.g., S3, Lambda, Glue)
  • Collaborate with cross-functional teams to deliver business-ready solutions
  • Ensure high code quality, documentation, and performance optimization
  • Support modern CI/CD pipelines and automated testing

requirements-expected :


  • 5+ years of experience in backend development
  • Strong Python experience, including FastAPI and asynchronous programming
  • Solid experience designing and implementing REST APIs
  • Hands-on experience with MongoDB (Motor, PyMongo, Beanie)
  • Experience managing MongoDB Atlas in production
  • Knowledge of OAuth2, JWT, and secure API design
  • Experience integrating external APIs
  • Practical knowledge of AWS services
  • Strong coding standards, type safety, and documentation mindset

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


    161 267
    23 769