(Senior) Backend Engineer - Core Team (all genders)

In this role you will help shape the GridHub Core Component that powers envelio’s Digital Twin and cross-application workflows. You will design interfaces, advance data modelling and system architecture, and collaborate with a cross-functional team to deliver scalable, data-integrity focused solutions. Your work directly influences user experience, product quality, and engineering practices in a mission-driven company focused on the energy transition. This is a remote-friendly, growth-oriented opportunity in a diverse, engineering-focused environment.

• Hybrid work within Germany
• Remote work from abroad up to 3 months per year
• State-of-the-art technology and modern stack
• Excellent hardware (MacBook, multiple monitors)
• Health support through sports memberships
• Monthly mobility budget (e.g., Jobrad, public transport) | Time for personal growth | envelio pension plan | Regular company and team events

• Design interfaces and generalized functionality for the Digital Twin
• Develop and extend cross-application workflows ensuring data integrity
• Model data for electrical grids and support domain-specific solutions
• Contribute to system architecture design across code, data, and infrastructure
• Collaborate with other developers to enable smooth component interaction

• 3+ years of web application backend development
• Experience with relational databases and data modelling (preferably PostgreSQL)
• Extensive Python experience, including orchestration and multiprocessing (e.g., Celery)
• Experience with graph data or graph tooling (e.g., graph databases or NetworkX)
• Team player with strong communication and problem-solving skills
• Familiarity with current industry best practices and tech stack

• team player
• enjoys complex technical challenges
• high standards for solutions
• Python
• FastAPI
• Pytest