This website uses cookies to ensure you get the best experience.

OPTIVEUM sp. z o.o. and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics and marketing purposes.

See our Cookie Policy to read more about the cookies we set.

You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page.

Select which cookies you accept

On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly.

If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site.

To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy.

These cookies are necessary to make the site work properly, and are always set when you visit the site.

Vendors Teamtailor

These cookies collect information to help us understand how the site is being used.

Vendors Teamtailor

These cookies are used to make advertising messages more relevant to you. In some cases, they also deliver additional functions on the site.

Vendors Meta, Youtube
Skip to main content
IT · Warsaw · Hybrid

Java Developer

Senior Java Developer to design, test, and maintain backend services powering Nordic digital banking. Hybrid Warsaw, B2B, up to 150 PLN/h. Embrace AI‑assisted development.

Senior Java Developer

About our Client You will be working for a prominent player in the banking industry, helping shape the future of digital business banking across the Nordic region. The client builds and delivers innovative web and mobile banking solutions used by customers in Denmark, Finland, Sweden, and Norway, continuously evolving the next generation of scalable digital banking services.

The Role & Expectations We are looking for a Senior Java Developer who embraces a blended capability role. Beyond standard development tasks, you will be expected to champion and drive backend testing within your agile team. You should be comfortable working in a modern, large-scale banking platform and proactively using AI-powered tools to optimize your daily workflow.

What you will do

  • Design, develop, test, and maintain backend services that power digital banking platforms.

  • Drive backend testing activities (performance, unit, integration, and API testing) ensuring highly reliable and scalable solutions.

  • Leverage AI-powered tools as a standard part of your daily development, testing, and delivery practices.

  • Collaborate closely with business stakeholders to understand requirements and translate business needs into technical solutions.

  • Contribute to the full product lifecycle—from technical design and implementation to continuous improvement and operational support.

  • Work collaboratively within a cross-functional agile team based in a vibrant Warsaw hub.

What we expect (Must-haves)

  • Strong experience as a Backend Developer (Regular to Senior level).

  • Solid proficiency in Java 21+, REST APIs, and microservices architecture.

  • Hands-on experience with Spring Boot 3.4, Spring WebFlux, and Hibernate.

  • Experience in test automation (JUnit5, Cucumber, WireMock).

  • Working knowledge of Git, Maven, Jenkins, Oracle DB/DB2/SQL, and Splunk.

  • Strong understanding of SOLID principles (knowledge of reactive programming is a major advantage).

  • Mandatory experience in utilizing AI tools in software development.

  • Fluent English (essential for daily communication in an international environment).

Nice-to-haves

  • Frontend development experience (JavaScript, TypeScript, Angular 2+).

  • Familiarity with testing tools and frameworks like Playwright, qTest, and Gherkin.

  • ISTQB Foundation certification.

What is offered

  • Salary: Up to 150 PLN/h net + VAT.

  • Contract: B2B agreement

  • Work model: Hybrid (3 days per week in the Warsaw office).

Specjalizacja / specialism
IT
Role
BackEnd Developer
Locations
Warsaw
Remote status
Hybrid

Current job openings - Aktualne oferty pracy

More jobs

About OPTIVEUM sp. z o.o.

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.

COMPANY DATA

Optiveum Sp. z o.o.

ul. Tomasza Zana 43 lok. 2.1  20-601 Lublin, Poland 
nr KRS: 0000834436, NIP 7010975729

Contact us at: info (at) optiveum.com

Founded in 2020
IT · Warsaw · Hybrid

Java Developer

Senior Java Developer to design, test, and maintain backend services powering Nordic digital banking. Hybrid Warsaw, B2B, up to 150 PLN/h. Embrace AI‑assisted development.

Loading application form

Applicant tracking system by Teamtailor