Java Software Engineer

We are a world leader in Engineering and IT Services
.

At ALTEN
, we see our specialists as architects
—today’s designers of tomorrow’s world.

As a leader in Engineering and IT Services
, we support companies in their technological and sustainable transformation
.

• Over 57,400 employees in 30+ countries
  , supporting 6,500+ clients worldwide
  .
• We operate in all sectors:
• Aeronautics, Space, Defence, Security & Naval, Automotive, Rail & Mobility, Energy & Environment, Life Sciences & Health, Industrial Equipment & Electronics, Telecoms, Banking, Finance & Insurance, Retail, Services & Media, Public Services & Government
  .
• We carry out complex and highly technical projects throughout the value chain of the most prestigious companies worldwide.
• Our motto:
  Building Tomorrow’s World Today!

The person will be responsible for developing and enhancing our Java-based applications that handle taxation, account management, and investment processing for our pension and savings products.

3

City / Warsaw

(3 days at the office required)

• Upgrade applications at least to Java 17 and Spring Boot 3.3.x baseline (experience with upgrade projects is a plus).
• Design, develop, and maintain Java applications supporting our savings and investment products
  .
• Build robust calculation engines ensuring compliance with current tax regulations across multiple countries.
• Develop support for complex business processes
  , integrating with tax authorities, and generating customer-facing reports.
• Participate in the full software development lifecycle (requirements analysis, design, coding, testing, deployment).
• Collaborate with financial analysts to translate requirements into technical solutions.

• Experience with Java and Spring Boot upgrades
  .
• Knowledge of messaging protocols such as JMS, MQ
  , etc.
• Strong proficiency in Java and related frameworks (
  Spring, Hibernate
  ).
• Experience with relational databases and SQL (Postgre
  
  SQL).
• Knowledge of OpenAPI and AsyncAPI for producing and consuming data.
• Familiarity with version control systems (Git) and CI/CD pipelines
  .
• Understanding of software design patterns and object-oriented programming principles
  .

• A full-time contract (B2B also possible).
• Stable and long-term cooperation
  .
• A well-defined career path at the European leader in engineering & IT consulting
  .
• Participation in company conferences, trainings, workshops, and integration meetings
  .
• Certification and training opportunities
  .
• Opportunity to relocate and work in different ALTEN Polska branches
  .
• After project completion, the opportunity to engage in a subsequent project within the company.
• Introduction and cooperation with a dedicated Business Development Manager
  .

• Medicover medical care
  .
• Medicover Benefits platform / Medicover Sport card
  .
• Employee referral program
  .
• Liette for a newborn employee’s child
  .
• Group life insurance
  .