This is a remote position. Software Engineering (PID0638) Infrastructure / ICE Platform Team Contract / Freelance Full-time Remote with travel readiness required (Germany) Start: 01/07/2026 About the role We are seeking a Senior Python Software Engineer to join the Infrastructure Product Line of a large internal platform programme in the energy sector. Working within the ICE (Infrastructure Cloud Engine) team, you will implement component architecture, drive software development efforts and provide technical leadership within a cloud-native, hybrid platform environment. What you'll be doing Writing production-grade Python code to implement architectural design specifications, including unit tests and code documentation Making and communicating technical decisions within boundaries set by the architecture design Generating and communicating status reports to architects and delivery stakeholders Facilitating meetings and presenting technical concepts to mid-sized audiences Providing guidance to other development stakeholders and ensuring on-time delivery of features and software components Participating in agile ceremonies and promoting agile ways of working Identifying and driving continuous improvement opportunities within the development process Coordinating with portfolio and platform stakeholders across network, compute, storage and hardware

Requirements

What you'll need 8+ years of professional software development experience using high-level programming languages Advanced Python (3.9+) proficiency including strong command of async programming (asyncio, aiohttp), multiprocessing and concurrency models Extensive experience with FastAPI for building scalable APIs and services Expertise in modular software design with an emphasis on separation of concerns and maintainable codebases Strong grasp of type hinting, dependency injection and automated testing frameworks (pytest, unittest) Experience across multiple database paradigms: relational (PostgreSQL), NoSQL (Redis, MongoDB, ArangoDB/Neo4J) and database libraries such as SQLAlchemy Deep understanding of microservice design principles including service boundaries, inter-service communication (REST, gRPC, message queues) and API design Solid understanding of application and API security principles including OAuth2 and OIDC Fluent English, spoken and written (C1 minimum) Desirable Experience designing schema and data models per service and managing data consistency and performance in microservice environments Hands-on experience containerising services

Benefits

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