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Backend Developer

Backend Developer

SQUARE ONE RESOURCES sp. z o.o.Warszawa, Masovian, Poland
13 days ago
Job description

technologies-expected :

  • Python
  • Django
  • GraphQL
  • REST
  • Docker

technologies-optional :

  • TypeScript

    • about-project :

  • For one of our clients, a dynamically growing company in the gamification and education sector, we are looking for an experienced Python / Django Developer to join the team and be responsible for the development and maintenance of key components of a platform based on Python and Django.

    • responsibilities :

  • Own and extend our Django 4 + GraphQL API (Python 3.12).
  • Build the hand-parser, scoring logic, XP / level engine and leaderboard service.
  • Add notification pipelines (in-app, e-mail, push via AWS SNS).
  • Customise Django Admin for content import and user moderation.
  • Help shape our AWS infrastructure (ECS Fargate, RDS PostgreSQL, S3) using Terraform and GitHub Actions CI / CD.
  • Write robust tests with pytest, keep p95 responses

    • requirements-expected :

  • 5+ years of experience
  • Production experience with Python / Django.
  • Strong SQL skills and performance tuning.
  • Proven REST / GraphQL API design and test automation.
  • Comfortable with Docker and CI / CD workflows.

    • offered :

  • B2B contract
  • Fully remote work
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    Backend Developer • Warszawa, Masovian, Poland