Senior Software Developer: Python (80%) / .NET (20%)

We are looking for a Senior Software Developer to join our Modular Control Center System (MCCS) project (FPDCC product line) and help shape critical infrastructure solutions in the energy sector!
⚡ Project Details & Working Conditions:
· Project Period: October 26, 2026 – October 30, 2027
· Allocation: 100% (Full-time)
· Location: 90% Remote, approx. 10% onsite in Berlin
· Seniority Level: Senior
· Language: English is mandatory
💡 The Role & Responsibilities:
· Drive the further development of Wide-Area Monitoring Applications (including Advanced Monitoring, Load Frequency Control, and Power Quality).
· Analyze and adapt third-party open-source modules, including making active contributions back to the open-source community.
· Design, architect, and develop brand-new modules.
· Adapt deployment processes to align with Elia's new infrastructure requirements.
📌 Must-Have Qualifications: (Each must be evidenced by personal project references)
· A degree in Computer Science, Business Informatics, a related field, or demonstrable equivalent professional experience.
· At least 5 years of experience developing IT solutions in line with enterprise IT strategies and standards.
· Python: Strong application development skills using FastAPI, Kafka, and Helm Charts.
· .NET: Solid experience in .NET application development with .NET 8+, EF Core, TDD, async programming, REST APIs, and authentication/authorisation architectures.
· Proven experience working with agile methodologies (Scrum, Kanban, etc.).
🌟 Nice-to-Have Skills:
· Familiarity with Kubernetes, Argo CD, Protobuf, Pydantic, and Grafana.
· An academic or professional background in electrical engineering.
· Experience working with transmission system operators (TSOs) or comparable energy infrastructure companies.
· Knowledge of SCADA, PMU, PQ, protection, or fault record data.

Work arrangement
Yes