Senior Java Software Engineer

Java Backend EngineerLocation: Berlin | Hybrid | 1 day per week onsiteJob Type: Permanent | Full-TimeSalary: €90,000 – €110,000 per annum We’re partnered with a mission-led tech company focused on improving lives through innovative digital solutions. As they scale their platform to support growing demand across Europe, they’re now looking for a Backend Engineer to join their engineering team and contribute to the development of high-performing, scalable systems that make a meaningful impact. This is a great opportunity for a backend developer who thrives in an agile, cross-functional environment, enjoys working closely with stakeholders, and is passionate about engineering beyond just the backend. Experience collaborating with mobile teams or exposure to Android/iOS development would be a bonus. Key Responsibilities:Collaborate closely with product managers, engineers, and other stakeholders to turn user and business requirements into robust technical solutions.Build, improve, and maintain high-performance backend services that are secure, reliable, and scalable.Contribute to the development of new features and enhancements, ensuring clean architecture and maintainable code.Manage the platform’s backend lifecycle end to end, from development through to deployment and production monitoring.Support smooth backend–mobile integration by working closely with mobile engineers across Android and iOS.Proactively identify and resolve platform issues through detailed root cause analysis and preventative improvements. Skills & Experience:Proven experience delivering scalable backend applications using Java, Kotlin, Jakarta, and SQL.Solid understanding of relational databases and experience writing optimised SQL queries.Comfortable working in agile teams and contributing to the full software development lifecycle.Strong problem-solving ability, with a focus on designing clean and scalable architecture.Excellent communication skills and a collaborative mindset when working across engineering and product teams.Experience working with or alongside mobile developers (Android/iOS) is a plus.Background in Computer Science or a related technical field is preferred.