Senior Java Software Engineer

TechNET IT Recruitment Ltd; Berlin; Hybrid; EUR 90.000 - 110.000; Vollzeit

Zusammenfassung

A technology recruitment firm in Berlin is seeking a Java Backend Engineer to develop high-performance, scalable backend services. The ideal candidate should be experienced with Java, Kotlin, and have a solid understanding of relational databases. This role offers a permanent full-time position with a hybrid work model, requiring one day per week onsite. Join a mission-led company committed to improving lives through innovative digital solutions.

Qualifikationen

• 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.

Aufgaben

• 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.

Kenntnisse

Java

Kotlin

Jakarta

SQL

Agile methodologies

Problem-solving

Communication

Ausbildung

Background in Computer Science or a related technical field

Jobbeschreibung

Java Backend Engineer

Location : Berlin | Hybrid | 1 day per week onsite

Job Type : Permanent | Full-Time

Salary : €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.