Senior Software Engineer (C++,C#)

Sopra Steria is one of the largest players in the tech industry in Europe, known for consulting, digital services, and software development. The Polish branch operates as the Global Delivery Center in Katowice since 2007 with around 1,000 specialists. The Digital Platform Services department specializes in cloud, operating systems, virtualization, databases, backup, storage, networking, and security. The Application Services department handles software development, data engineering, testing services, CRM, ITSM, ERP platform integrations, and application management for customers in Scandinavia, Benelux, France, Germany, Switzerland, and the UK.

• 5+ years of commercial experience in a senior or senior-ready role.
• Strong expertise in C/C++ and C#.
• Good understanding of design patterns.
• Experience with testing, integration, and troubleshooting activities.
• Experience working in multinational and distributed environments.
• Strong communication skills for collaboration with cross-functional teams.
• EU citizenship.
• Fluent English at B2/C1 level.
• Willingness for occasional business trips abroad and visits to the Katowice office.

• Implementing solutions and delivering software.
• Proposing solutions.
• Creating and testing software to enhance the solution and related modules and services.
• Facilitating testing, integration, and troubleshooting activities.
• Shaping and applying software standards of clean code and performance optimization techniques.
• Translating business and technical requirements into clean, efficient code.

Only candidates with EU citizenship located in Poland and willing to commute to the Katowice office are eligible for cooperation.