Python Developer

ITFS Sp. z o.o. is hiring for a Python Developer role involving backend services and critical business logic implementation, working with Python and .NET technologies in a hybrid work model in Warsaw.

• Strong experience in Python for building backend services and implementing critical business logic
• Experience with FastAPI or similar modern Python web frameworks for high-performance RESTful APIs
• Proficiency in SQL and relational databases including data modeling, query optimization, performance tuning, and transaction integrity
• Knowledge of Apache Kafka for event-driven architecture, asynchronous communication, and reliable data streaming
• Experience with Kubernetes in AWS environments (e.g., EKS) for container orchestration, scaling, configuration management, and monitoring
• Automated testing skills including unit, integration, and end-to-end tests, especially for complex computational logic
• Familiarity with CI/CD and best DevOps practices

Nice to have:

• .NET / .NET Core
• Angular
• Experience working full stack and supporting end-to-end solution delivery

• Designing and developing multiple services built with Python and .NET, with main computational engines implemented in Python
• Defining clear service boundaries and ensuring smooth integration across the system
• Translating complex engineering and financial models into precise, maintainable, and scalable computational logic
• Co-creating overall system architecture and deployment strategies
• Ensuring correctness, performance, automated testing, and long-term maintainability of solutions
• Supporting backend development and, if needed, frontend elements using Angular
• Working with Kubernetes in AWS environments as part of system configuration and deployment processes

Work location: hybrid (2 days per week at client's office in Warsaw) Contract type: B2B with ITFS Salary: 170-185 PLN/hour net + VAT Recruitment process: short phone interview with ITFS, technical interview with client, decision