Lumenaza GmbH is a Berlin-based SaaS provider that accelerates the digitalization of the energy transition by enabling companies and consumers to aggregate, trade, and consume green electricity. Since 2013, the company has delivered end‑to‑end white‑label solutions that cover billing, balancing‑group management, BPO, CRM, market communication, product catalogues, redispatch, and virtual power‑plant operations. Its platform powers leading utilities and aggregators—including Octopus Energy, EnBW, E.ON, and Hycube—while the LUOX Energy brand offers end‑users a dynamic, renewable‑powered tariff that lets them buy and sell electricity at market prices. By combining deep industry expertise with a fully integrated, modular SaaS stack, Lumenaza differentiates itself as a one‑stop, technology‑driven partner for the evolving electricity market.
Open Positions
Mitarbeiter*in Kundenservice Solarenergie (m/w/d)
Seeking candidates with completed training in customer service, energy, or IT. Proficiency in German (C1/C2) is required, along with prior customer service experience and a team-oriented attitude. Basic MS Office skills are essential
Werkstudent:in Energiewirtschaft (m/w/d)
Seeking a currently enrolled student with strong German language skills (C1/C2) and proficiency in MS Office. Must possess good communication, organizational, and creative skills, as well as a desire to contribute ideas and work reliably in a team. Basic English proficiency needed, with at least one year availability
Senior Software Engineer (Backend) (m/w/d) - Power Market Processes
Associate degree in Economics, 2+ years backend experience with Python/Django and familiarity with REST APIs. Proficient in Celery & Postgres
Senior Software Engineer (Backend) (m/w/d) - Virtual Power Plant (VPP)
Bachelor's degree in Computer Science or related field. 5+ years backend experience. Expertise in Python, SQL, and Django
Senior QA Engineer (m/w/d)
5+ years QA experience. Strong Python skills. Automation experience with tools like Robot Framework. Knowledge of CI/CD pipelines
Senior Software Engineer (Backend) (m/w/d) - Team Billing
A degree in Computer Science, Business Informatics, or a comparable qualification, at least 5 years of experience as a backend software engineer, and excellent knowledge of Python and Django
Revenue Operations Specialist (m/w/d)
3 Jahre Erfahrung im Bereich Revenue Operations oder Sales Operations
Business Development Manager - GTM (m/w/d)
At least 5 years of experience in business development, strategic sales, or building B2B partnerships, experience in independently opening up new market segments, and good German skills
Revenue Operations Manager (m/w/d)
At least 3 years of experience in Revenue Operations or Sales Operations, practical experience with HubSpot, experience with automation tools, and secure handling of revenue and SaaS metrics