Develop, optimize, and maintain server-side applications, APIs, and databases.
Design and implement low-latency, scalable, and secure backend architecture.
Write efficient, reusable, and maintainable Python code using modern best practices.
Collaborate closely with front-end developers to integrate user-facing elements.
Build and manage database schemas, data pipelines, and caching layers.
Implement security and data protection measures, including authentication and authorization.
Troubleshoot, debug, and upgrade existing systems to improve performance and reliability.
Participate in code reviews and contribute to process improvements and architecture decisions.
Leverage monitoring tools and Python testing frameworks to ensure system quality.

Minimum 1 year of experience as a Back End Developer or in a related role.
Strong proficiency in Python and building APIs with FastAPI (preferred) or Django/Flask.
Strong understanding of Python concurrency and asynchronous programming (e.g., asyncio, async APIs) and event-driven systems.
Solid grasp of Python testing frameworks such as pytest (and/or unittest).
Experience managing Python environments and dependencies (venv/poetry/pip).
Experience with type hints and code quality tools (mypy, ruff/flake8, black).
Experience with PostgreSQL (preferred) and/or MongoDB, plus caching with Redis.
Understanding of RESTful APIs, GraphQL, and microservice architecture.
Familiarity with CI/CD pipelines, containerization (Docker), and version control (Git).
Knowledge of security protocols, encryption, and data protection best practices.
Excellent communication and collaboration skills within diverse teams.

Back End Developer

Key skills