Senior Java Developer (Senior Software Engineer)

SmartRecruiters, Inc.; Katowice; On-site; PLN 134,000 - 179,000; Full time

Benefits offered by this job

Luxmed

Medicover Sport

Worksmile

Educational platforms

Language learning platform

Referral bonus

Life insurance

Certifications paid by company

Conferences

Tech Lunches

Communities: PM/Architecture/Security/

Local kindergarten

Job summary

Sopra Steria Polska is seeking a Senior Java Developer to join a multinational team in Katowice for a major aeronautical manufacturer. You will design and deliver high-quality Java applications in an industrial, stable environment, collaborating with France, Poland, Canada and India. EU citizenship is required; candidates must be based in Poland and able to commute to Katowice.

The role requires 5+ years of experience, Java 8–21, Spring 5.2, Spring Boot 2.3, Git, and Polish and English at B2.

Qualifications

• 5+ years of commercial experience in a senior or senior-ready role.
• Strong Java 8–21 experience (older/newer versions depending on module).
• Knowledge of Spring 5.2 and Spring Boot 2.3.
• Proficiency with Git and GitHub.
• English and Polish at B2 level or higher.
• Willingness to travel occasionally to abroad and regular visits in Katowice.

Responsibilities

• Design, implement, and deliver high-quality software solutions.
• Translate requirements into clean code.
• Develop, test, and maintain application modules and services.
• 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.

Skills

Java

Spring 5.x

Spring Boot

Git

Analytical thinking

Cross-functional collaboration

English & Polish B2

Job description

Senior Java Developer (Senior Software Engineer)

• Full-time

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.

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 practicesParticipate 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,MedicoverSport,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.

In case of questions, please contact the HR team.

Recruitment process:

• short phone call with a recruiter (30 min max)
• one‑hour long interview on Teams (with both general and technical questions)

Salary range:12000 – 16000 PLN gross/month All information about salary range and its additional components will be provided during the 1st stage of recruitment process.

Equal Opportunity Statement:

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.