Senior Java Developer (Senior Software Engineer)
Senior Java Developer at Sopra Steria Polska building and maintaining applications for a major aeronautical manufacturer within a multinational team. Day to day: designing, developing and testing Java 8–21 / Spring & Spring Boot services, code reviews, and close collaboration with technical leads and clients — from the Katowice office with regular onsite attendance.
- Compensation
- PLN 12K–PLN 16K / mo
- Location
- Katowice, pl
- Work setup
- Hybrid
- Seniority
- Senior
- Employment
- Full time
- Experience
- 5+ years
- Category
- Software engineering
- Posted
Skills
Must have
- 5+ years of commercial experience in a senior or senior-ready role
- Strong experience with Java 8–21
- Knowledge of Spring 5.2 and Spring Boot 2.3
- Proficiency with Git and GitHub
- Analytical and problem-solving mindset
- Strong communication skills for cross-functional collaboration
- Proactive and detail-oriented
- Ability to document processes and share knowledge effectively
- English and Polish at B2 level or higher
- Open to occasional business trips abroad and regular visits to the Katowice office
- EU citizenship, located in Poland, willing to commute to the Katowice office
Nice to have
- 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
Full description
We are looking for a Senior Java Developer (Senior Software Engineer) to join Sopra Steria Polska for our project for a major aeronautical manufacturer. You will work in an industrial, stable environment in multinational team (France, Poland, Canada, India). The program involves wide portfolio of applications developed by multiple teams.
Note that we can only offer cooperation to people who has EU citizenship, are located in Poland and are willing to commute to our office in Katowice, Poland.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, and integration testing
- Collaborate closely with technical leaders, clients, and cross-functional teams
- Contribute to problem-solving and technical discussions
Must have requirements:
- 5+ years of commercial experience in a senior or senior-ready role
- Strong experience with Java 8–21 (partially also newer versions, depending on the module)
- Knowledge of Spring 5.2 and Springboot 2.3
- Proficiency with Git and GitHub
- Analytical and problem-solving mindset
- Strong communication skills to collaborate with cross-functional teams
- Proactive and detail-oriented
- Ability to document processes and share knowledge effectively
- English and Polish at B2 level or higher, enabling fluent communication in an international team
- Being open to occasional business trips abroad and regular visits in our office in Katowice
Nice to have requirements:
- Proficiency in French would be a strong advantage
- Hands-on knowledge of Neo4j 4.4 – 5.X or another graph databases
- Knowledge of ElasticSearch 7.17- 8.X
- Experience with Cloude Code and GitHub Copilot
What we offer:
- BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud), local kindergarten.
- ADDITION: free parking, fresh fruits, workation.
In case of questions, please contact the HR team.