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Senior Java Developer – Banking and Financial Technology
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on developing banking systems with omnichannel solutions for internet, mobile, and branch platforms. Key technologies include Java, REST APIs, MongoDB, Kafka. Responsibilities cover designing and building high-performance backend services, integrating with databases and messaging brokers, maintaining code quality, and optimizing system performance. The role offers 100% remote work, medical benefits, sports programs, and access to training resources.

newyou can start ASAP

Senior Java Developer – Banking and Financial Technology

Company: ITDS Polska Sp. z o.o.

from: 20 July 2026
to: 19 August 2026
18 900 - 22 470 złnet (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Java
MongoDB
Kafka

Our requirements

  • At least 5 years of experience in Java development within the banking or financial services industry
  • Advanced proficiency in Java technologies and frameworks
  • Proven experience working with MongoDB databases
  • Hands-on experience with Kafka or similar messaging systems
  • Good command of Polish
  • Communicative proficiency in English

Optional

  • Certifications in Java or related technologies
  • Experience with REST API security standards and best practices

Your responsibilities

  • Design and develop high-performance REST API services tailored for banking omnichannel platforms
  • Collaborate with cross-functional teams to implement scalable backend solutions using Java
  • Integrate backend systems with databases like MongoDB and message brokers such as Kafka
  • Maintain high code quality through thorough testing and code reviews
  • Troubleshoot and optimize system performance to ensure reliability and efficiency
  • Stay informed on evolving Java development practices and banking technology trends
  • Contribute to strategic technical planning and continuous improvement initiatives

About the project

As a Senior Java Developer, you will be working for our client, a leading provider of banking systems specializing in omnichannel solutions for internet, mobile, and branch backoffice systems.
You will be instrumental in building and enhancing REST APIs that enable seamless, scalable banking services, driving innovation and customer engagement in the financial sector. This role offers opportunities for continuous growth and long-term project involvement.
Empower the future of financial technology — develop innovative banking solutions that transform customer experiences!
100% remote work model
Only candidates with an existing legal right to work in the European Union will be considered.

This is how we organize our work

This is how we work

at the client's site

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Senior Java Developer – Banking and Financial Technology
18.9k–22.5k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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