html Full-Stack Developer with a Focus on Database Development (m/f/d) Full-time On-site in Cologne, Unna, and/or Remote
Are you looking for an exciting role as a developer at an innovative mid-sized company in the energy sector? Then you’ve come to the right place!
DeESA GmbH is an IT service provider focused on the energy industry, offering companies all the processes they need to enter and actively participate in the energy market for grid-connected energy sources such as electricity, gas, and alternative and renewable energies. We are a service partner for all energy market processes and support companies in IT and communication processes, clearing, and customer service. In doing so, we open the door for companies to enter a future-oriented market.
With our server-based web applications, we enable companies to access the energy market digitally and efficiently.
Our developers play a central role in this: they maintain existing systems, develop new features, and actively shape the future of the energy industry.
Join our team as a
Full-Stack Developer with a focus on database development (m/f/d) Full-time
On-site in Cologne, Unna, and/or working from home
Your Responsibilities
- Optimization and maintenance of our PostgreSQL databases
- Development of business logic within the databases using PL/pgSQL
- Maintenance of existing PL/pgSQL procedures
- Additionally: Development and support of web applications based on C , HTML, CSS, JavaScript, and Node.js
- You will be part of our (agile) project teams: from feature planning through testing to go-live
- First point of contact for our support team regarding technical questions
- You actively contribute to the future-proof development of our software solutions
What You Bring To The Table
- A degree in computer science or a comparable qualification
- Proficiency with PostgreSQL or comparable databases
- Experience with PL/pgSQL or comparable procedural database languages
- Experience in Linux environments
- Very good written and spoken German and English skills (at least B2 level)
- Self-motivated, structured work style and a hands-on mentality
- Team spirit, analytical thinking, and the drive to make a real difference
- Residence in Germany (preferably North Rhine-Westphalia) to participate in larger meetings or team events
We Offer You
- Flexible working hours with a flex-time policy
- Hybrid work tailored to your needs—whether in the office in the heart of Cologne, in Unna, or working from home
- Permanent employment with a future-proof company in the energy sector
- Competitive compensation with opportunities for growth
- Regular professional development & training opportunities
- Subsidy for a commuter pass
- Team events and a collegial work environment
- Flexible structures – opportunity to contribute your own ideas
- Pleasant work atmosphere in a motivated team with flat hierarchies
Application
Have we piqued your interest? Then we look forward to receiving your detailed application, including your earliest possible start date and salary expectations.
Your contact person: Sandra Mühleisen
Please send your complete application materials, including your resume, references, and cover letter, to: bewerbung@deesa.de
Reference No.: YF-44705 (please include this in your application)
DeESA GmbH
Friedrich-Ebert-Str. 64
59425 Unna
DeESA GmbH