Full Stack Developer – Energy Sector (Hybrid)

About the role

We are looking for a Full Stack Developer to join an innovative medium-sized IT service provider operating in the energy market. The role combines database engineering with front-end and back-end development, supporting applications that enable customers to trade electricity, gas and renewable energies.

Key responsibilities

• Optimize and maintain PostgreSQL databases and write business logic using PL/pgSQL.
• Maintain and enhance existing PL/pgSQL procedures.
• Develop and support web applications using C++, HTML, CSS, JavaScript and Node.js.
• Participate in agile project teams from feature planning through testing and production rollout.
• 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 in Linux environments.
• Fluent German and English (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.
• Hybrid work model – remote work combined with office presence in Cologne or Unna.
• Permanent contract in a future-proof company within the energy industry.
• Competitive compensation and development opportunities.