Senior Java Developer (Senior Software Engineer)

Triwill Group; Katowice; On-site; PLN 134,000 - 179,000; Full time

Benefits offered by this job

Luxmed

Medicover Sport

Worksmile

Educational platforms

Languages learning platform

Referral bonus

Copyrights

Life insurance

Certifications (company paid)

Conferences

Tech Lunches

Communities (PM/Architecture/Security/

Leadership/AI and Cloud

Local kindergarten

Free parking

Fresh fruits

Workation

Job summary

Sopra Steria Polska is hiring a Senior Java Developer for a multinational project with a major aeronautical manufacturer. You will design, implement, and maintain high-quality software in a stable, industrial environment with teams from France, Poland, Canada, and India.

EU citizenship and relocation to Katowice are required. Work includes frequent travel abroad and regular visits to the Katowice office, with responsibilities spanning end-to-end software delivery and collaboration with

Qualifications

• 5+ years of commercial experience in a senior or senior-ready role.
• Proficiency with Java 8–21 and Spring framework.
• Experience with Spring 5.2 and Spring Boot 2.3.
• Git and GitHub proficiency.
• Analytical and problem-solving mindset.
• Strong communication skills for cross-functional work.
• Proactive and detail-oriented approach.
• English and Polish at B2 level or higher.
• Willingness for occasional trips abroad and regular visits to Katowice office.

Responsibilities

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

Skills

Java 8-21

Spring 5.2

Springboot 2.3

Git

GitHub

English B2

Polish B2

Analytical thinking

Communication skills

Documentation

EU citizenship

Willing to travel

Tools

GitHub Copilot

Cloud Code

Neo4j

Elasticsearch

Job 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.

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 oranother 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.

• ADDITION:free parking, fresh fruits, workation.

In case of questions, please contact the HR team.

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

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.