Full Stack Developer – Energy IT Services

About the role

Join an innovative medium‑sized IT service provider that enables companies to participate in the energy market. As a Full Stack Developer you will work on both database and web‑application layers, supporting the delivery of grid‑bound energy solutions.

Key responsibilities

• Optimize and maintain PostgreSQL databases.
• Develop business logic and stored procedures using PL/pgSQL.
• Maintain and enhance existing PL/pgSQL code.
• Design, develop, and support web applications using C++, HTML, CSS, JavaScript and Node.js.
• Participate in agile teams from feature planning through testing and go‑live.
• Act as the first technical point of contact for the support team.

Required profile

• Completed degree in Computer Science or a comparable qualification.
• Proficiency with PostgreSQL or similar relational databases.
• Experience with PL/pgSQL or comparable procedural database languages.
• Solid experience working in Linux environments.
• Excellent German and English communication skills (minimum B2 level).
• Independent, structured work style with a hands‑on mentality.

Required skills

• PostgreSQL
• PL/pgSQL
• Linux
• C++
• HTML
• CSS
• JavaScript
• Node.js

What we offer

• Flexible working hours with flextime arrangement.
• Hybrid work model (remote work combined with office presence in Cologne or Unna).
• Permanent position in a future‑proof company within the energy industry.
• Attractive compensation and development opportunities.