Python Developer

Freelance Lead/Senior Python Developer (m/f/x) for a Cloud Native & Infrastructure Project Start: 01.01.2026 (potential start date with flexibility)Duration: 6-month contracts with extension up to 3 yearsWork set-up: 100% remote Language: English Key task: Cloud Native Development with Python We are seeking an experienced Python Developer (Contract) to support a key project in the infrastructure sector.The role focuses on strengthening the Infrastructure Cloud Engine (ICE) platform, which enables the provisioning of virtual infrastructure resources. In this role, you will be leading a team of 5 Python developers working together on the project implementation. What you’ll doBuild production‑grade Python services and APIs (FastAPI)Apply asynchronous programming (asyncio, aiohttp) and concurrency modelsDesign modular, maintainable software componentsWork with relational and NoSQL databases (PostgreSQL, Redis, MongoDB)Ensure quality through testing (pytest, unittest) and documentationCollaborate with stakeholders across infrastructure domains (network, compute, storage, hardware)Provide technical leadership and mentor peersPromote agile ways of working and continuous improvementLead and mentor a team of 5 developers What we’re looking for8+ years of professional software development experienceAdvanced Python (3.9+) skills, including async and multiprocessingStrong experience with FastAPI for scalable APIsSolid database knowledge (PostgreSQL, Redis, MongoDB; SQLAlchemy)Deep understanding of microservices (REST/gRPC, messaging, service boundaries)Knowledge of application & API security (OAuth2, OIDC) Leadership & CollaborationMake and communicate technical decisions within architectural boundariesFacilitate meetings and present technical concepts in clear, simple termsProvide guidance to peers and ensure the timely delivery of features and componentsWork setup: this role is 100% remote, with onsite presence required only once per quarter for alignment workshops and team connection