Java Developer working on defense applications with Capgemini Engineering in Brest. Focus on developing Java functionalities, designing desktop interfaces, and ensuring quality and security standards.
About the role
- Senior Developer developing technical foundations of products at everii Group. Focus on Ruby on Rails and key service development for multiple products.
Responsibilities
- Service development: Implementation and maintenance of core services that are used across all everii products.
- Service encapsulation: Extracting functionality from individual products and providing it as standalone, reusable services.
- AI & Innovation: Active use of AI tools and agents to support development processes.
- Quality & Testing: Automated tests, code reviews and continuous improvement of code quality and developer experience.
- APIs & Integrations: Development and further enhancement of REST and GraphQL APIs.
- Operations & Monitoring: Responsibility for stable and secure services, including monitoring and troubleshooting across our CI/CD pipelines.
- Technical design: Creating and implementing technical concepts as well as actively discussing architecture and solution approaches within the team.
- Collaboration: Close collaboration within the development team.
Requirements
- Solid backend experience with Ruby on Rails (including Sidekiq)
- Confident with Git and IDEs such as RubyMine and VS Code
- Experience with PostgreSQL, MS SQL or other relational databases
- Experience with REST and GraphQL APIs as well as API authentication (OAuth, JWT) and documentation (Swagger/OpenAPI)
- Experience with Sidekiq (Ruby)
- Knowledge of performance optimization and caching strategies
- Comfortable and confident using AI tools and agents
- Familiarity with automated testing as well as GitHub Actions, Docker and container-based deployments
- Basic knowledge of Linux servers and container-based setups
- Ideally, you have already contributed to a production SaaS product
- Maintainable, well-thought-out code — no hacky fixes, but with healthy pragmatism
- Enjoy discovering and trying out new technologies
- Open-minded, team player, able to handle context switching
- Clear communicator: give and solicit feedback, and conduct constructive discussions
- Very good German and English, spoken and written
Benefits
- Individual development: Room for autonomous work, freedom to shape your role and continuous learning
- Smart work: Modern technical equipment, hybrid working model and trust-based working hours
- Feel-good atmosphere: Fresh fruit, coffee, chilled drinks and a weekly communal breakfast — located in the heart of Hamburg or Frankfurt
- Tech stack & team: Modern tools and technologies in a product-focused team with short decision-making paths
- Stability: Permanent full-time position, start possible immediately
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
Tech Lead providing technical leadership in digital telecom products. Influencing architectural decisions and mentoring within a collaborative team environment.
Promotor(a) de Merchandising ensuring product organization at points of sale for Softys Falcon. Contributing to brand presentation and product stocking.
Database Engineer within HII’s Cyber and Intelligence division supporting government programs for national security. Designing and managing complex database systems for mission - critical operations.
Internship for PHP Developer at K8 Fintech, focusing on system development and team collaboration. Opportunity for practical learning in a dynamic fintech environment.
Desenvolvedor PHP envolvido em projetos transformadores no setor financeiro na K8 FINTECH. Foco em performance e segurança em soluções digitais para o mercado financeiro.
Software developer creating innovative logistics software solutions for indiwa GmbH. Part of a dynamic team in Bremen focused on transport management systems.
Junior Backend Developer supporting technical issues and developing microservices at Urbanitae, a leading real estate investment platform in Iberia.
Fullstack Softwareentwickler und Projektleiter zur Leitung technischer Projekte bei Interad Software GmbH in Graz. Arbeiten an innovativen Web - Applikationen mit .NET und Microsoft SQL Server im hybriden Arbeitsmodell.
Senior Full Stack Backend & Data Engineer ensuring application support and maintenance in high availability environments. Join a collaborative team focused on continuous improvement and technical challenges.