Currency

Senior Java Developer

4 025 - 5 750 USDNet per month - B2B
Java

Senior Java Developer

Java

Złota, Warszawa

ITDS

Full-time
B2B
Senior
Remote
4 025 - 5 750 USD
Net per month - B2B

Tech stack

    English

    B1

    Polish

    C2

    Java

    advanced

    Spring

    advanced

    REST API

    advanced

    RabbitMQ

    regular

    JUnit

    regular

    Mockito

    regular

    PostgreSQL

    regular

    Git

    regular

Job description

Join us, and build the future of digital banking innovation!


Location: 100% remote work


As a Senior Java Developer, you will be working for our client, one of the largest financial institutions in Europe, developing modern technological solutions that support the digital transformation of banking. You will be involved in building and maintaining scalable, microservice-based applications that support key business processes. The role includes developing new features, optimizing existing systems, and collaborating with project teams and architects to ensure high code quality and system stability used by millions of customers worldwide.


Your main responsibilities:

  • Developing and enhancing backend applications using Java technology

  • Implementing microservices with Spring Framework and REST API

  • Writing unit tests using JUnit and Mockito

  • Designing and optimizing database structures in PostgreSQL

  • Configuring and maintaining asynchronous communication using RabbitMQ and Kafka

  • Collaborating with development teams within an Agile environment

  • Using Git for version control and code management

  • Documenting processes and APIs according to AsyncAPI standards

  • Analyzing technical issues and proposing performance improvement solutions

  • Ensuring high code quality through continuous integration and code reviews


You’re ideal for this role if you have:

  • Advanced knowledge of Java programming language

  • Strong experience with Spring Framework (Spring Boot, Spring Data, Spring Cloud)

  • Excellent understanding of REST API design and implementation

  • Experience writing unit tests with JUnit and Mockito

  • Strong skills in PostgreSQL and SQL query optimization

  • Experience working with RabbitMQ or other message brokers

  • Proficiency with Git version control system

  • Knowledge of microservices and distributed architecture principles

  • Strong analytical and problem-solving skills in complex systems

  • Effective teamwork and communication skills in an Agile environment


It is a strong plus if you have:

  • Experience working with Apache Kafka

  • Knowledge of AsyncAPI specification

  • Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI)

  • Experience with cloud platforms (AWS, Azure, or GCP)

  • Knowledge of Docker and Kubernetes


We offer you:

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. The offer includes:


  • 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 & remote work


Internal job number #7918


You can report violations in accordance with ITDS’s Whistleblower Procedure available here.

Tech stack

    English

    B1

    Polish

    C2

    Java

    advanced

    Spring

    advanced

    REST API

    advanced

    RabbitMQ

    regular

    JUnit

    regular

    Mockito

    regular

    PostgreSQL

    regular

    Git

    regular

Office location

Published: 30.10.2025

Senior Java Developer

4 025 - 5 750 USDNet per month - B2B
Summary of the offer

Senior Java Developer

Złota, Warszawa

ITDS

4 025 - 5 750 USDNet per month - B2B
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