Senior Backend Developer – Java (NW X-Box)
Location: Stockholm, 100% onsite
Assignment Period: January 5, 2026 – January 31, 2027
Application Deadline: November 6, 2025
About the Assignment
We are looking for 1-2 experienced Java developers for an exciting project with our client in Stockholm. You will be part of a team developing and enhancing Java-based applications for taxation, account management, and investment processes related to pension and savings products.
As a consultant, you will play a central role in creating robust calculation engines and solutions to ensure compliance with current tax regulations in multiple countries.
Your main responsibilities
• Design, development, and maintenance of Java applications within savings and investments
• Develop and optimize calculation engines in accordance with applicable legislation
• Build integrations with external parties and authorities
• Participate in the entire development cycle – from requirements analysis to delivery
• Collaborate closely with business analysts and domain experts to translate business needs into technical solutions
Required Skills
• Strong proficiency in Java 21+
• Experience with Spring and Hibernate
• Good knowledge of SQL and working with databases (PostgreSQL, Snowflake, etc.)
• Experience with OpenAPI and AsyncAPI
• Knowledge in Git and CI/CD pipelines
• Understanding of design patterns and object-oriented development
We are looking for someone who
Is a structured and solution-oriented developer with a strong understanding of complex business processes within finance, pensions, or investments. You thrive in a technically advanced environment where quality, performance, and precision are paramount.
Practical Information
Location: Stockholm (100% onsite)
Scope: Full-time
Start: January 5, 2026
End: January 31, 2027
We encourage you to apply as soon as possible!
Selection and interviews will be conducted continuously, and the assignment may be withdrawn before the application deadline.