Unzer
Software Engineer (Java) - (m/f/d)
Is this role open to you?
Berlin
Confirm work authorization, visa sponsorship and location requirements with the employer.About the role
What your work will look like:
- Write automated tests (unit, integration, and end-to-end) as an integral part of your daily work
- Contribute to product design by writing technical specifications – clear enough to
guide both engineers and AI agents
- Use AI-assisted development (coding agents, AI code review, spec-driven workflows)
in your daily work and help us evolve how we use it
- Work with the Unzer Tech standards and processes and help us improve them
- Be actively involved in team and organizational knowledge-sharing
What you need to be successful in this role:
- Solid knowledge of data structures, algorithms, operating systems and distributed systems
- Experience with SQL databases (schema design, migrations); NoSQL is a plus
- Experience with microservices, event-driven messaging (Kafka, Avro) and
Git-based workflows (feature branches, pull requests, code review)
- You diligently test (ideally test-first/TDD) and document your deliveries
- Experience in architecture design (e.g. Domain-Driven Design) and common design patterns
- Experience with observability tools such as Coralogix or OpenTelemetry
- Hands-on experience with AI coding assistants/agents (e.g. Claude Code, GitHub Copilot):
you use them productively and critically review, test and own the code they produce
- Hands-on mentality
Nice to have:
- Frontend experience with Angular
- Know-how in delivering software to the AWS cloud platform
- Experience with Docker, Kubernetes and GitOps (e.g. Argo CD)
- Experience building agentic workflows (MCP integrations, custom agent skills,
AI steps in CI such as automated PR review)
- Experience in regulated environments (payments, PCI-DSS, GDPR)
What’s next?
WHAT WE OFFER
More than a workplace. A place to grow. 🌍
At Unzer, colleagues from 50+ nationalities across four countries work together to create better outcomes for our merchants. We take ownership, move with pace, and keep raising the bar—as one team.
We set high expectations and give you the flexibility, learning opportunities and practical support to do your best work, grow your impact, and build a sustainable career.
🏡 Flexibility that works
Combine focused time at home with connection and collaboration in the office. Our hybrid setup includes two office days per week.
🚲 Your commute, your choice
Choose the mobility benefit that works for you: bike leasing or a Deutschlandticket.
🏖️ Work from anywhere in the EU
Change your perspective and work from another EU country for up to 15 days per year.
📗 Keep raising the bar
Use an annual learning budget of €1,000 for courses, conferences, certifications and other development opportunities that help you grow and increase your impact.
🫴 Support when you need it
Access confidential counselling whenever you need support with personal or professional matters.
💰 Build your future
Look ahead with our company pension scheme and take care of your long-term financial wellbeing.
Benefits may vary by location and employment setup. Your recruiter will share the details relevant to your role.
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