Stefan Steuer
CEO
Work at octoja
Full Stack Developer (f/m/d)
Develop a platform with C#/.NET and React that helps IT teams monitor and manage their systems.
- C# / .NET
- React
- TypeScript
- PostgreSQL
- Salary
- €54,000–€72,000 gross per year
- Location
- Neu-Ulm
- Employment
- Full-time · 40 hours/week · permanent
- Working arrangements
- Home and office work by agreement
Your role
You help design technical solutions and implement them from backend to user interface.
Your responsibilities
- Develop backend services with C#/.NET and PostgreSQL.
- Build user interfaces with React and TypeScript.
- Integrate third-party APIs.
- Use AI tools such as Claude Code or Codex in your development work.
- Maintain code quality through tests and collaborative reviews.
- Manage CI/CD and deployments together with the team.
What you bring
- You have several years of experience in full-stack or backend development.
- You are highly proficient in C#/.NET and TypeScript.
- You know relational or document databases and work confidently with REST APIs.
- You routinely use AI-assisted development tools.
- You understand Windows, Linux and networking. You are also familiar with virtualisation. Experience as a system administrator is not required.
- You work independently and take a pragmatic approach.
- You speak German at C1 level or above and have very good English.
Helpful, but not required
- Experience with IT security
- Hands-on penetration testing
- Knowledge of Kubernetes
- Experience in an ISO 27001 environment
Working conditions
- 30 days of annual leave
- Permanent contract
- Flexible working hours · available from 11:00 to 15:00
- No on-call duties
Where you work
- We'll agree together on your days working from home and in the office.
- We occasionally meet in the office to work on sprints together. We agree on the dates as a team.
Also included: company events, food and drinks.
Your team
Tom Kempin (CTO) and Daniel Häfele (Chief Architect) are your technical points of contact.
Tom Kempin
CTO
Erdinc Akay
COO
Daniel Häfele
Chief Architect
Andreas Eichwald
Developer