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OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Senior Java Developer

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Show all offers
150 PLN
B2B
Hybrid
Senior
Gdynia
Expires Sep 30, 2026
19 days ago

In short

Senior Java Developer role in Gdynia. Responsibilities include designing, developing, and maintaining Java applications, building calculation engines, and collaborating with analysts. Requires Java 21, Spring, Spring Boot, Hibernate, SQL, JMS, MQ, OpenAPI, AsyncAPI, Git, and OOP.

Keywords

Java Spring Boot Hibernate SQL JMS MQ OpenAPI AsyncAPI Git CI/CD

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About the project

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This is how we work

Your responsibilities

  • Designing, developing, and maintaining Java applications supporting savings and investment products.
  • Building robust calculation engines that ensure compliance with current tax regulations across multiple countries.
  • Developing support for complex business processes, integrating with tax authorities, and generating customer-facing reports.
  • Participating in the full software development lifecycle, including requirements analysis, design, coding, testing, and deployment.
  • Collaborating with financial analysts to translate business requirements into technical solutions.
  • Mentoring other developers, acting as a code reviewer or design sparring partner, and spreading practical engineering practices across the team.
  • Responsibly utilizing AI-assisted development and automation tools to improve productivity, quality, and continuous learning.

Our requirements

  • Strong proficiency in Java (especially Java 21) and related frameworks (Spring, Spring Boot, Hibernate).
  • Experience with relational databases and SQL (e.g., PostgreSQL).
  • Knowledge of messaging protocols such as JMS, MQ, etc.
  • Knowledge of OpenAPI and AsyncAPI for producing and consuming data.
  • Familiarity with version control systems (Git) and CI/CD pipelines.
  • Solid understanding of software design patterns and Object-Oriented Programming (OOP) principles.
  • Advanced English proficiency, allowing for smooth communication in an international environment.

What we offer

  • A transparent B2B contract signed directly with Optiveum as your contracting party.
  • Attractive hourly rate up to 150 PLN/h net + VAT.
  • Ongoing operational support from Optiveum throughout the entire duration of our cooperation.
  • The opportunity to work in a collaborative, international environment strongly influenced by a supportive Swedish organizational culture.
  • A flexible hybrid working model.

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Benefits

Published 2026-08-31
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