Senior Java Backend Developer / Technical Lead (Luxembourg)

Senior Java Backend Developer / Technical Lead (Luxembourg) Bridge351 is a tech company focused on excellence, innovation and tailored solutions, operating across Europe in areas like Cloud, Cybersecurity, Data and Advanced Development. About the Role We are looking for an experienced Senior Java Backend Developer to act as Technical Lead for a strategic application within a leading EU financial institution. You will combine strong hands-on development skills with technical leadership, solution design, and ownership of backend applications operating in a critical financial environment. This role is ideal for someone who thrives on taking responsibility, coordinating technical activities across developers, reviewing implementations, and driving high-quality software delivery — all while remaining actively involved in day-to-day development. Responsibilities Design and implement robust backend solutions using Java and Spring Boot Lead the technical design of new features and enhancements Coordinate and mentor other Java developers within the team Review code and ensure compliance with coding standards and best practices Drive software quality through design reviews, testing, and continuous improvement Collaborate closely with Solution Architects, Business Analysts, QA engineers, and DevOps engineers Analyze complex functional and technical requirements and translate them into scalable solutions Ensure maintainability, performance, and security of developed solutions Support CI/CD processes and participate in release activities Provide second-line production support, root cause analysis, and resolution of complex production issues Take ownership of technical decisions and proactively identify opportunities for improvement Required Skills Excellent knowledge of: 7+ years of experience in a similar position Java 17 Spring Framework / Spring Boot JPA / Hibernate SQL Design and implementation of REST APIs Strong experience with: Apache Kafka or other messaging technologies Maven JUnit CI/CD pipelines Git Nice to have: Experience in financial services or banking Azure DevOps Liquibase SOAP web services Language Fluent English (mandatory) Location Luxembourg - Hybrid working model (2 days remote / 3 days on-site). Locations Bridge 351 Luxembourg Remote status Hybrid