Java Developer (he/she)

249.24 - 304.63 USDNet per day - B2B
Java

Java Developer (he/she)

Java
Jana Pawła II, Warszawa

ASTEK Polska

Full-time
B2B
Senior
Remote
249.24 - 304.63 USD
Net per day - B2B

Job description

Astek

Founded in France in 1988, Astek is a global player in engineering and technology consulting, present on five continents. With its expertise in many industrial and tertiary sectors, it supports its international clients in the intelligent deployment of their products and services, and in the implementation of their digital transformation.

Since its creation, the Group has based its development on a strong culture of entrepreneurship and innovation, and on the support and skills development of its 10 000 employees who are committed every day to promoting combination of digital technologies and complex systems engineering.

Join a Group rapidly developing in France and around the world, with a turnover of 705 M€ in 2024.

 

We are currently looking for a candidate for the position of Java Developer (he/she) for our client from the financial industry.

 

Additional information:

  • Remote work

 

Offered salary:

  • From 900 to 1000 PLN net + VAT/day/B2B, depending on experience and competences

 

You’re ideal for this role if you:

  • Strong knowledge of Java (8+)

  • Experience with Oracle and/or PostgreSQL

  • Hands-on experience with unit testing (JUnit, Mockito)

  • Experience working with legacy systems and refactoring

  • Participation in architectural transformation project

  • Knowledge of Clean Code, SOLID principles, and design patterns

  • Experience in enterprise or banking environments

  • Experience working in Agile/Scrum teams

 

Your day-to-day responsibilities include:​

  • Develop and maintain backend applications using Java

  • Design and implement new features based on business requirements

  • Refactor and improve existing code quality and performance

  • Participate in architectural modernization (monolith to microservices)

  • Work with Oracle and PostgreSQL databases

  • Create and maintain automated unit tests

  • Collaborate with architects, testers, and business analysts

  • Participate in code reviews and ensure development standards

 

Our recruitment process

Call with our Recruiter -> Call with our Business Manager -> Meeting with Client

If necessary, after call with the Recruiter, we also invite you to an additional technical verification stage.

 

Need more information?

Contact me: martyna.choinka@astek.net

 

Referral system

It’s not about you? Recommend us your friend and get a bonus up to 7,000 PLN

Link: https://astek.pl/system-rekomendacji/

 

Information clause

The controller of the personal data is ASTEK Polska sp. z o.o. with its registered office in Warsaw, Al. Jana Pawła II 22, 00-133 Warszawa, Poland. You have the right to access your data, the right to request deletion of data, etc. Detailed information regarding processing can be found HERE: http://astek.pl/polityka-prywatnosci

You have the right to withdraw your consent at any time. If you withdraw your consent, please contact us by e-mail at privacy@astek.pl or in writing to the administrator's address.

Procedure for reporting by whistleblowers at ASTEK Polska sp. z o. o. [Link]  

 

Ref number: AO218130

Tech stack

    English

    B2

    Java

    advanced

    Spring Boot

    advanced

    PostgreSQL

    regular

    JUnit

    regular

    Oracle

    regular

    Mockito

    regular

Office location

Published: 13.01.2026

Java Developer (he/she)

249.24 - 304.63 USDNet per day - B2B
Summary of the offer

Java Developer (he/she)

Jana Pawła II, Warszawa
ASTEK Polska
249.24 - 304.63 USDNet per day - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest ASTEK Polska sp. z o.o. z siedzibą w Warszawie, Al. Jana Pawła II 22, 00-133 Warszawa (dal... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.