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Senior Java Developer (Senior Software Engineer)

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Before you apply
SalaryPLN 144k – PLN 192k/mo
LocationKatowice, pl
Work modehybrid
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentEngineering, Development, Applications
Company size10,000+ people
PostedSep 16, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
5+ years of commercial experience in a senior or senior-ready role
Strong experience with Java 8–21
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
Being open to occasional business trips abroad and regular visits in our office in Katowice
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
EU citizenship
Located in Poland
Willing to commute to our office in Katowice, Poland
Skills
Java 8–21
Spring 5.2
Springboot 2.3
Git
GitHub
Neo4j 4.4 – 5.X
ElasticSearch 7.17- 8.X
Cloude Code
GitHub Copilot
Benefits
Health insurance
Medicover sport
Worksmile
Educational platforms
Languages learning platform
Referral bonus
Copyrights
Life insurance
Certifications
Conferences
Tech lunches
Communities
Local kindergarten
Free parking
Fresh fruits
Workation
Company Description
Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring more than 55,000 employees.
The Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. Currently, our team consists of around 1,000 specialists.
Within the Digital Platform Services department, our teams specialize in areas such as cloud, operating systems, virtualization, databases, backup or storage, as well as networking and security. We also have 1st line support consultants who speak French and English, but also Italian, Spanish, Portuguese and German.
The Application Services department is responsible for areas such as software development, data engineering, testing services, CRM, ITSM and ERP platform integrations, as well as application management for customers in Scandinavia, Benelux, France, Germany, Switzerland and the UK.
Job 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
**Responsibilities:**​
•
Design, implement, and deliver high-quality software solutions
•
Translate business and technical requirements into clean, efficient code
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Develop, test, and maintain application modules and services
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Apply clean code standards and performance optimization best practices
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Participate in code reviews, unit, and integration testing
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Collaborate closely with technical leaders, clients, and cross-functional teams
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Contribute to problem-solving and technical discussions
Qualifications
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
Additional Information
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.
Hiring process
The recruitment process for this position consists of two stages:
• a short phone call with a recruiter (30 min max)
• one-hour long interview on Teams (with both general and technical questions)
Salary range: 12 000 – 16 000 PLN gross/month
All information about salary range and its additional components will be provided during the 1st stage of recruitment process.
Legal
At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.