FLEX Capital
Finance • B2B
FLEX Capital is a Berlin-based private equity buyout firm specializing in growth and majority investments in bootstrapped software and tech companies across the DACH region. The firm focuses on mid-market software businesses with revenues of €5–50M and equity tickets of €10–60M, offering hands-on operational support, M&A advisory and a platform approach to drive value creation. FLEX Capital positions itself as an entrepreneurial partner emphasizing sustainable, social and responsible investment practices.
Full Stack Engineer, Java
Job not on LinkedIn
October 14
🗣️🇩🇪 German Required
FLEX Capital
Finance • B2B
FLEX Capital is a Berlin-based private equity buyout firm specializing in growth and majority investments in bootstrapped software and tech companies across the DACH region. The firm focuses on mid-market software businesses with revenues of €5–50M and equity tickets of €10–60M, offering hands-on operational support, M&A advisory and a platform approach to drive value creation. FLEX Capital positions itself as an entrepreneurial partner emphasizing sustainable, social and responsible investment practices.
📋 Description
• Development and further development of a complex B2B portal in the insurance domain • Implementation of requirements in the frontend (Wicket) and backend (Spring, Hibernate) • Integration of messaging components using JMS • Database modeling and access with MS SQL • Close collaboration with Product Owners, QA and DevOps in an agile environment (Scrum/Kanban) • Contributing to architectural decisions and technical advancement • Use and evaluation of AI-assisted tools for code generation or test automation • Focus on software quality through automated tests and/or security checks
🎯 Requirements
• Several years of experience in full-stack development with Java • Very good knowledge of: Spring Framework, Apache Wicket, Hibernate / JPA, JMS (e.g. ActiveMQ, RabbitMQ), MS SQL Server • Experience with agile methodologies (Scrum, Kanban) • Knowledge of test automation (e.g. JUnit, Mockito) or IT security • Experience with AI-assisted code generation (e.g. GitHub Copilot, CodeWhisperer) is an advantage • Strong team skills combined with high personal responsibility • Passion for clean code, testing or secure software architecture • Very good German language skills (written and spoken); English skills are an advantage.
🏖️ Benefits
• Technologically challenging projects in the insurance sector • Agile teams with a high degree of creative freedom • Modern work environment and flexible working hours • Individual training and development opportunities – including in the field of AI • Attractive compensation and social benefits
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