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Senior Java Backend Developer with JavaScript

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Onsite

Senior Java Backend Developer with JavaScript

Luxoft

Senior Java Backend Developer with JavaScript

Skills

SQL QueriesMongoDBReactNodeJavaMicroservicesKafkaRabbitMQJavascript

10 days ago

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Important information


Contract type:

Permanent

Location:

Poland

Work mode:

Onsite

Published on:

9 October 2026

What they need


Project Description:

We are looking for a Java Backend Developer with commercial experience in JavaScript to join the team working on a project in the fashion retailing industry.

A successful candidate will contribute to developing various store and warehouse operations microservices and web applications utilized by the fashion company's internal employees.

We expect a communicative, flexible person who understands the business context as well as the technical design of the solution.

Responsibilities:

  • Design and implement software components according to business/functional requirements

  • Create unit tests

  • Support the integration testing of developed services

  • Analyze existing system source code and propose improvements when necessary

  • Support and monitor the team's services deployed in the Production environment

  • Participate actively in Refinements

  • Communicate with the Customer

Mandatory Skills Description:

  • Extensive coding experience in Java

  • Knowledge of Java 21 new features

  • Commercial experience with JavaScript

  • Solid experience with the Spring framework

  • Unit Tests (JUnit, Mockito)

  • Solid experience in core Java (including data structures and multithreading)

  • Experience with SQL and noSQL databases (experience with performance optimization)

  • Experience with Hibernate

  • Experience with event streaming and message queuing systems (Kafka or RabbitMQ or any other)

  • Ability to propose design and implement changes in complex systems

  • Experience working in Scrum

  • Proactive position, ability to facilitate a discussion or involve a colleague in a task-related collaboration

  • Strong verbal communication skills

  • Demonstrated professionalism with excellent communication skills tailored to meet client needs.

  • B2+ English

Nice-to-Have Skills Description:

  • React.js

  • Node.JS

  • MongoDB experience

  • Experience with Test Driven Development (TDD)

  • Experience with BDD and Cucumber/Karate framework

Languages:

English: B2 Upper Intermediate

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