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Offer summary
(Summary generated by AI based on the full job description)
The project involves developing Java applications supporting savings and investment products in the financial sector. Technologies used include Java 21, Spring Boot, Hibernate, PostgreSQL, JMS, Git, CI/CD. Responsibilities cover designing and developing applications, building tax-compliant calculation engines, integrating with tax authorities, and mentoring the team. The offer includes a B2B contract with an hourly rate up to 150 PLN/h net + VAT.
from: 31 August 2026
to: 30 September 2026
150 - 150 złnet (+ VAT)/ hr.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:hybrid
location:Gdynia, Pomeranian
Gdynia, Pomeranian
Requirements
Expected technologies
Java
Spring Boot
Hibernate
Spring
SQL
PostgreSQL
OpenAPI
AsyncAPI
Git
Operating system
Linux
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.
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.
About the project
We are Optiveum, a specialized recruitment and contracting company. We are currently looking for a Senior Java Developer to join the team of our client, a prominent international company operating in the financial and investment sector.
In this model, you will sign a B2B cooperation agreement directly with Optiveum.
As a Senior Java Developer, you will be responsible for developing and enhancing our client's Java-based applications that handle taxation, account management, and investment processing for pension and savings products.
This is how we organize our work
This is how we work
at the client's siteyou focus on a single project at a timeyou develop several projects simultaneouslyyou have influence on the productyou focus on product developmentyou focus on code maintenanceagilescrum
This is how we work on a project
- architect / technical leader support
- Continuous Deployment
- Continuous Integration
- team-level deployment
- documentation
- issue tracking tools
- test automation
- testing environments
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.
Benefits
- remote work opportunities
- integration events
OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Optiveum is a recruitment and consulting company created based on our 20-plus years of experience in HR & IT services.
We work for Clients located in Poland and abroad providing our local and international Candidates with Project-based or Permanent job opportunities in a remote or office-based model.
This is how we work
Senior Java Developer
150–150 zł / hr. (B2B)
I apply to:
OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Gdynia, Pomeranian
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