WORKING STUDENT, JUNIOR PRODUCT OWNER

You support our Product Management team in translating business requirements into high-quality software. Working closely with experienced Product Owners, developers, and business stakeholders, you will gain hands-on experience across the entire software development lifecycle-from requirements engineering and backlog management to testing and release validation. This role offers an excellent opportunity to learn modern product management while contributing to real customer-facing software., Requirements Engineering

· Support the analysis and documentation of business requirements

· Write user stories and acceptance criteria together with Product Management

· Document business processes and workflows

· Help prepare backlog refinement sessions

· Ensure documentation is complete and up to date

Backlog Management

· Maintain and organize the product backlog in Jira

· Track user stories throughout the development process

· Support sprint planning and backlog refinement

· Help maintain visibility on priorities and delivery status

Testing & Quality Assurance

· Create test scenarios and acceptance criteria

· Execute functional testing and User Acceptance Testing (UAT)

· Validate delivered functionality against requirements

· Document and track defects

· Support release validation

Collaboration

· Work closely with Product Owners, developers, and business stakeholders

· Support continuous improvement of documentation and development processes

· Currently pursuing a Bachelor's or Master's degree in STEM, Economics, or a related field

· Strong analytical and structured thinking

· Curious, proactive, and eager to learn

· Ability to understand complex business processes

· Strong communication skills

· High attention to detail

· Comfortable working independently while asking questions when needed

· Fluent English

Mindset

· Pragmatic and solution-oriented approach to problem solving

· Comfortable working in a growing startup environment

· Collaborative and able to work across teams

Nice to Have

· First experience with Agile software development (Scrum or Kanban)

· Experience with Jira or Confluence

· Basic understanding of software development or programming

· Interest in SaaS products and modern software engineering

· Familiarity with AI productivity tools (e.g. GitHub Copilot or Cursor) is a plus

· 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

· Hands-on experience with customer, marketing, and business analytics

· A collaborative, entrepreneurial environment where your ideas matter

· Flexible working arrangements (Core working hours 10 am to 3 pm))

Pulled from the full job description Store discount Pension plan Flexible schedule, · Competitive compensation, meaningful responsibility from day one, and the opportunity to grow into a permanent role after graduation.

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.