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Senior Java Full-Stack Developer – Banking Microservices
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Offer summary

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

The project involves developing a corporate online banking platform for a market leader. The stack focuses on Java 17+, Spring Boot, Angular 20+, microservices, plus REST APIs, IBM MQ/ActiveMQ/Kafka, Oracle, Kubernetes, Maven/Gradle and Git. Responsibilities include developing and maintaining backend and frontend, designing microservices, implementing synchronous and asynchronous integrations, ensuring scalability and high availability, applying software engineering best practices and automating testing, deployment and monitoring. Required minimum 5 years with Java and Angular and experience with AI-assisted tools (Claude Code, Codex).

you can start ASAP

Senior Java Full-Stack Developer – Banking Microservices

Company: ITDS Polska Sp. z o.o.

from: 27 October 2026
to: 26 November 2026
16 800 - 23 100 złnet (+ VAT)/ mth.B2B contract (full-time)
14 500 - 16 000 złgross/ mth.contract of employment
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Java
Angular
Spring Framework
Spring Boot
Node.js
Kafka
Oracle
Maven
Gradle
Git
Kubernetes

Optional technologies

SonarQube
Jenkins
Grafana
Splunk
Elasticsearch

Our requirements

  • At least 5 years of commercial experience with Java and Angular.
  • Strong knowledge of Java 17+, Spring, and Spring Boot.
  • Practical experience with Angular 20+, JavaScript, and Node.js.
  • Experience designing and developing microservices-based applications.
  • Practical experience using AI-powered development tools such as Claude Code or Codex.
  • Experience with REST APIs, web services, and asynchronous messaging technologies such as IBM MQ, ActiveMQ, or Kafka.
  • Experience developing highly available, scalable, and performant applications.
  • Knowledge of relational databases, preferably Oracle, as well as Maven or Gradle, Git, and Kubernetes.

Optional

  • Familiarity with SonarQube, Jenkins, Grafana, Splunk, or Elasticsearch.
  • Experience with performance testing tools such as Gatling.
  • Higher technical education in Computer Science, Electronics, or a related field.

Your responsibilities

  • Develop and maintain backend services using Java 17+ and Spring Boot.
  • Build and enhance frontend applications with Angular 20+ and JavaScript.
  • Design and implement solutions based on microservices architecture.
  • Develop synchronous and asynchronous integrations using REST APIs, web services, and messaging technologies.
  • Build scalable, highly available, and performant applications.
  • Work with relational databases, preferably Oracle.
  • Apply software engineering best practices, including code reviews, automated testing, and application builds.
  • Contribute to the automation of testing, deployment, logging, and monitoring processes while using tools such as Claude Code and Codex to support daily engineering tasks.

About the project

As a Senior Java Full-Stack Developer, you will be working for our client, one of the leaders in online banking, on the development of a corporate banking platform supporting critical business and technical processes. You will help deliver secure, scalable, highly available applications using modern Java and Angular technologies. Working in an Agile environment with experienced development teams, you will contribute to architectural decisions, application performance, development quality, and continuous delivery.
Unleash secure, scalable banking innovation — build the next generation of corporate banking through modern Java and microservices!
Warsaw-based opportunity with hybrid work model — 2 days per month in the office.
Language Required for the role: Polish is required; the expected level of command has not been specified. Communicative English sufficient to read and understand technical documentation is also required.
Only candidates with an existing legal right to work in the European Union will be considered for this role.

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 Full-Stack Developer – Banking Microservices
14.5k–16k zł / mth. (CoE), 16.8k–23.1k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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