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April 30, 2026

Senior Software Engineer (C++, Qt)

Senior • Remote

12,000 - 17,000 PLN/mo

Katowice, Poland

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 Senior Software Engineer (C++, Qt) to join Sopra Steria Polska for a client in the aerospace sector. The project is about creating and improving an app that helps aviation staff do their daily work. It helps them prepare flights, access documents, communicate with ground teams, and check basic information like maps and weather.

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:​
• Implementing solutions and delivering software.  
• Proposing solutions.
• Code review.
• Attending team meetings.
• Refactoring current code.
• Supporting Solution Architect.
• Creating and testing software to enhance the solution and all related modules and services.
• Shaping and applying our software standards of clean code and performance optimization techniques.
• Bug fixing.

Tech stack on the project:​
• C++ 17, Qt 6.5/6.8, QTest , GTest, QML, JavaScript, SQL, AWS, GIT, Jira, Confluence, Agility.

Qualifications

Must have requirements:​
• Minimum of 5 years of experience as SE or similar role.
• Strong hands-on experience with C++ and Qt.
• Good understanding of QML.
• Good understanding of design patterns.
• Experience in working in multinational and distributed environment.
• Communication skills.
• EU citizenship.
• Fluent English: B2/C1.
• Being open to occasional business trips abroad and visits in our office in Katowice.

Nice to have requirements:
• iOS environment.

Additional Information

What we offer:
• BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, workation
• DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud)

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:
UoP: 12 000 - 17 000 PLN/gross month
B2B: 100 - 140 PLN/h

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.