Job
In this role, you will develop both frontend and backend for complex AI-driven enterprise applications using Java, TypeScript, and React, integrate AI features, and ensure their quality and compliance with standards.
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Job technologies
Your role in the team
- As a Full-Stack Developer, you work across complex application landscapes in both the frontend and backend. Technologies such as Java, JavaScript, TypeScript, React, and Redux play a major role in our work.
- You develop backend and frontend applications using Java/Spring Boot, TypeScript, and React, and strategically use AI assistants and agentic coding where they improve quality and speed.
- You integrate AI features into business applications, from LLM integrations and RAG to tool use and agentic workflows with MCP. You also ensure they work reliably and comply with data protection requirements and regulations such as the EU AI Act.
- You critically review AI-generated code for architecture, security, test coverage, and maintainability before it goes into production enterprise applications.
- You are responsible for designing new features and work with business analysts and subject matter experts to develop robust technical solutions. You explain clearly to our customers what AI can do in their project, where its limitations lie, and what the implications of a decision are.
- You work with domain models built on our A12 low-code platform and understand how the domain model, generated code, and AI work together.
- You work with colleagues at our international locations to further develop ways of working and quality standards for AI-assisted development, and share your experience across projects.
Our expectations of you
Education
- You have a degree in computer science or a comparable qualification, along with several years of full-stack experience with Java/Spring Boot, TypeScript/React, HTML, and CSS. However, what matters more to us than in-depth framework knowledge is that you understand how everything fits together.
Qualifications
- You think in terms of architectures rather than frameworks and systematically translate complex business processes into clear domain models and module boundaries.
- You work with Agentic Coding and tools such as Claude Code, Codex, or OpenCode every day, guiding them to reliable results with good context, clear instructions, and tests.
- You have already integrated AI features into applications, for example via LLM APIs, RAG, tool use, or agentic workflows. Ideally, you’re also familiar with Spring AI, evals, and monitoring, or have built your own MCP servers.
- You understand the limitations of LLMs, such as context, hallucinations, and cost; you know why code works even when it was written by AI, and you take responsibility for the outcome.
- You ask about the reasoning behind requirements and make technical concepts understandable to non-technical stakeholders.
- You want to put AI into production in large, long-lived enterprise applications—not train models. Domain expertise in the public sector, commerce, or insurance will help you do that.
- Ideally, you have already worked with model-driven development.
- Fluent German and very good English skills round out your profile.
What we offer
- Permanent employment with an overtime compensation model.
- Workplace at mgm’s branch office, not at our customers’ premises.
- 30 days of vacation, flexible working hours, sabbatical option.
- Company pension scheme, also available as a Green Pension.
- Get your occupational disability insurance (BU) without the hassle of health questions.
- Subsidy for the Deutschlandticket.
- Workation option: Work at one of the other 15 EU locations for up to three months per year.
- Summer and Christmas parties, team events, and onboarding events.
- Internal and external training, eLearning platform with internal content, regular feedback and development discussions, Welcome Buddy program.
- Central location, good public transport connections, modern kitchens and break rooms, as well as showers.
- We value office life – during your probationary period, you’ll be in the office four days a week to build genuine connections. After that, we offer up to 60% remote work.
Benefits
Health, fitness & fun
Higher take-home pay
Food & drink
Topics you will work on
Job locations
About your employer
mgm has been developing web applications for over two decades: For Commerce, Insurance and E-Government. More than 700 colleagues stand for our mission: Innovation Implemented.
- 250+ Employees
- Established Company
- Onsite, Hybrid
- Internet, IT, Telecommunication
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