Senior Java Backend Developer / Technical Lead (Luxembourg)
Bridge 351 · Luxembourg, Luxembourg
Software Development · 51-200 employees
About the role
You will design and implement robust backend solutions using Java and Spring Boot while providing technical leadership to the development team. The role involves coordinating technical activities, reviewing code for quality, and ensuring the performance and security of critical financial applications.
What they look for
Requirements
Candidates must have at least 7 years of experience in Java backend development with strong proficiency in Spring Framework and messaging technologies. You should possess excellent communication skills in English and the ability to translate complex functional requirements into scalable technical solutions.
Full description
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).
