Backend Developer (Java & C++)

We are looking for a Backend Developer (Java & C++) to one of our clients within Banking & Finance.

Start date: 2026-10-01
End date: 2027-03-30
Location: Helsinki, Finland (3 days onsite, 2 days remote)

About the assignment:

We are seeking an experienced Backend Developer with a strong background in C++ and Java FX to contribute to automated credit decisioning solutions. You will join a team responsible for building automated credit decisioning solutions across multiple business lines. The role involves full-stack development lifecycle ownership, from integration work through testing and deployment. You will collaborate closely with business stakeholders to deliver robust, well-documented solutions.

Main Responsibilities:

The Backend Developer will engage in vital application development duties.

• Take responsibility for the full lifecycle of application development

• Work on integrations utilizing middle-tier frameworks.

• Perform manual and automated testing

• Regularly review code, implement improvements, and refactor as necessary.

• Maintain technical documentation.

• Exhibit strong communication skills and cooperate with business to clarify expectations
  

Profile & Qualifications:

• 6+ years of experience as a backend developer.

• Proficient in C++, Springboot, Microservices, and Java.

• Familiarity with Maven, Bamboo, Jenkins, GIT, and Jira.

• Knowledge of Clean Code principles.

• Experience with Agile development methodologies.

• Fluent in spoken and written English.
  
  Required Skills:
  • C++
  • Java, Spring Boot
  • Microservices
  • Maven, Jenkins, Git, Jira
  

Nice to have: 

• Experience with automation frameworks: Selenium and Cucumber.

• Knowledge of COBOL, JCL, DB2, VB, and ASP.

• Familiarity with Kubernetes container deployment.

• Proficiency in Finnish, as some code is in Finnish.

• Prior experience in the financial services industry.

• Experience with AI for developing business solutions.