Working Student Software Engineer (w/ German Utility Industry Focus)

Message Monitoring & Resolution

• Monitor utility market communication messages for processing failures
• Investigate failures and determine root cause
• Resolve issues directly, including providing fixes for parsing and/or sending messages to utility industry market partners

Documentation & Process Improvement

• Create and maintain standards for known recurring failure production failures
• Document issues clearly to ensure reproducibility

Collaboration

• Work with the team to expand monitoring metrics across services
• Keep affected teams and stakeholders informed on incident status

• Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Information Systems, Business Informatics, or a related field
• Working knowledge of Python (or similar), with the ability to read, debug, and modify parsing/integration code
• Comfortable working with structured data transmission formats, or able to learn quickly
• Structured, methodical approach to troubleshooting
• B2+ English and B2+ German, written and spoken

Mindset

• Analytical and persistent in tracing issues to root cause
• Comfortable with operational work requiring consistency and follow-through
• Pragmatic and solution-oriented
• Comfortable working in a growing startup environment

Nice to Have

• Familiarity with EDIFACT or other EDI/B2B messaging standards
• Exposure to energy or utility market processes
• Experience with ticketing/incident tools (Notion, Jira, or similar)
• Familiarity with observability tools (metrics, logging, alerting)
• Familiarity with AI productivity tools (ChatGPT, Claude, or similar)
• Interest in the energy industry

• Real ownership from day one
• The opportunity to work directly with experienced leaders in a fast-growing energy tech company
• A collaborative, entrepreneurial environment where your ideas matter to the team
• Flexible working hours (Core working hours 9:30 am to 2:30 pm)
• A modern office well connected near Potsdamer Platz, with the option to work partially from home
• Employee’s perks: discounted electricity tariff, Tuesday to Thursday lunch in the office is on us!

Greenstone Energy GmbH is a fast-growing company in the field of sustainable energy solutions. Since 2015, we have been committed to providing climate- and environmentally-friendly energy supplies using 100 percent renewable energy. Our best-known brands are VeganStrom and New Energy Cloud. This makes us not only pioneers in the field of animal-friendly green electricity offers, but also technologically innovative.

We believe reliable data exchange with our market partners is essential to how we operate. We are looking for a Working Student to help us catch, resolve, and prevent market communication failures before they affect the business.