Senior Python Developer with Java skills

For our client we are looking for a Senior Software Developer, Python (80%) / Java (20%) Key Data: Start: 26.10.2026 End: 30.10.2027 Utilisation: fulltime / 40hrs per week Language: English Project: The work covers further development of Wide-Area Monitoring Applications (Advanced Monitoring, Load Frequency Control, Power Quality), analysis and adaptation of open-source modules, and development of new modules Skills (must-have): at least 5 years of experience developing IT solutions in line with client IT strategy and standards, including: Python application development with FastAPI, Kafka and Helm Charts Java application development with Spring Boot, JDK 21+ and Maven experience with agile methodologies (Scrum, Kanban, etc.) Should-have: Kubernetes, Argo CD, Protobuf, Pydantic, Grafana electrical engineering background experience with transmission system operators or comparable energy infrastructure companies knowledge of SCADA, PMU, PQ, protection or fault record data experience in critical infrastructure strong technical documentation skills