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Sopra Steria

IT consulting, digital services, and transformation

Senior Java Developer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeKatowice, PolandPLN12k - PLN16k /mo

About the Job

Requirements

  • At least 5 years of commercial experience in a senior or senior-ready role.
  • Strong experience with Java versions 8–21, with some newer versions depending on the module.
  • Knowledge of Spring 5.2 and Spring Boot 2.3.
  • Proficiency with Git and GitHub.
  • English and Polish at B2 level or higher for communication in an international team.
  • Willingness to take occasional business trips abroad and make regular visits to the Katowice office.

Responsibilities

  • Design, implement, and deliver high-quality software solutions.
  • Translate business and technical requirements into clean, efficient code.
  • Develop, test, and maintain application modules and services.
  • Apply clean-code standards and performance-optimization best practices.
  • Participate in code reviews, unit testing, and integration testing.
  • Collaborate with technical leaders, clients, and cross-functional teams.
  • Contribute to problem-solving and technical discussions.

Desired Qualifications

  • Proficiency in French.
  • Hands-on knowledge of Neo4j 4.4–5.X or another graph database.
  • Knowledge of Elasticsearch 7.17–8.X.
  • Experience with Claude Code and GitHub Copilot.

About the Company

Sopra Steria

IT consulting, digital services, and transformation

Sopra Steria provides consulting, digital services and solutions to help large organizations transform their business through technology. Its offerings cover strategy, systems integration, cloud, cyber security, software development, and managed services, designed to be delivered end to end—from assessing needs and designing a plan to implementing and operating IT systems. The company combines deep knowledge of many industries with a collaborative approach to tailor projects to each client and to deliver measurable, sustainable improvements in performance. Differentiators include its European scale (about 51,000 employees across roughly 30 countries), broad scope—from strategy to operation—and emphasis on practical outcomes that help clients stay competitive. The group’s goal is to put digital to work for its clients in a way that creates a positive, more productive future for all stakeholders.

Company size
10,001+
Company stage
IPO
Headquarters
Paris, France
Founded
1968

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