Senior Python Engineer (m/f/d) - Freelancer Project
About the Company
Our client is an established technology-driven organization operating in the sustainability and energy sector. The company develops digital platforms that enable scalable, impact-oriented financial and operational solutions. Their products support partners in the renewable energy and climate-tech ecosystem.
Start-date: asap
Duration: 3 months + Option of Extension
Location: Hybrid - 3 days in Berlin / 2 days Remote
Role:
- End-to-end ownership of backend services, including design, development, testing, deployment, and maintenance.
- Development and enhancement of APIs and backend components, using modern technologies and industry best practices.
- Contribution to architectural discussions and long-term system design decisions.
- Close collaboration with cross-functional teams (engineering, product, operations) to deliver high-impact solutions.
- Continuous improvement of development workflows, tooling, and engineering practices.
- Troubleshooting, debugging, and resolving production issues in live systems.
Requirements
- Several years of professional experience in backend development (ideally with Python and Django or similar frameworks)
- Ideally experience as a Fullstack-Engineer / Frontend as well - with React and Typescript Experience
- Strong understanding of API design, cloud-native architectures, and modern software engineering principles
- Experience working with Docker, AWS, or comparable cloud platforms.
- Proven ability to independently lead and deliver complex technical projects from concept to completion
- Solid experience identifying technical priorities, evaluating trade-offs, and distinguishing real business value from hype
- Strong debugging and problem-solving skills in production environments
- Excellent communication skills in English; experience working in distributed or remote teams is beneficial