We are intensively looking for pro-active Software Development Engineering Trainee to join Simulator team. The candidate will work on market lead product GMDSS that actively in use for seafarers' education in thousands maritime academies around the globe. The reason of hiring is active business and development team grow.Company-wide communications are in English. We strive to use only English for written technical communication. This is a 6 month paid internship, the location is Belgrade, Serbia What you will be doing: •    Participation in development for GMDSS •    Development in C++ 11/14, C# •    Code review •    Development under Windows •    Support legacy code •    Mentor juniors and interns To be successful in this role, we expect you to have: •    Currently in the final year of a Bachelor's or Master's degree in a relevant field  •    Solid working knowledge of C++ and C# •    Good understanding of algorithms and data structures •    Strong communication skills •    Proficiency with source control systems, debuggers, profilers, and other common software development tools •    Intermediate or higher level of English Will be a plus: •    Knowledge of COM/ATL •    Experience in distributed system design. In Wärtsilä Voyage you will have the opportunity to: •    Be a part of a global team of professionals •    Work on complex interesting products and build your career at international scale •    Introduce your ideas and take initiatives Last application date: 15/07/2026  At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.  Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country. This is Wärtsilä Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on <a href="http://www.wartsila.com">www.wartsila.com</a>.

We enable sustainable societies through innovation in technology and services together with all our stakeholders &ndash; today and tomorrow. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. We work together with our strong ecosystem of partners every day, providing a wide portfolio of leading technologies and innovative solutions that offer our customers superior uptime, reliability and foreseeable lifecycle costs across their operations. Our global passionate team of 17,500 energy and maritime experts in 200 locations in more than 70 countries is committed to shaping decarbonisation transformation of our industries across the globe.

Software Developer Engineer Trainee

We are intensively looking for pro-active Software Development Engineering Trainee to join Simulator team. The candidate will work on market lead product GMDSS that actively in use for seafarers' education in thousands maritime academies around the globe. The reason of hiring is active business and development team grow.Company-wide communications are in English. We strive to use only English for written technical communication. This is a 6 month paid internship, the location is Belgrade, Serbia What you will be doing: •    Participation in development for GMDSS •    Development in C++ 11/14, C# •    Code review •    Development under Windows •    Support legacy code •    Mentor juniors and interns To be successful in this role, we expect you to have: •    Currently in the final year of a Bachelor's or Master's degree in a relevant field  •    Solid working knowledge of C++ and C# •    Good understanding of algorithms and data structures •    Strong communication skills •    Proficiency with source control systems, debuggers, profilers, and other common software development tools •    Intermediate or higher level of English Will be a plus: •    Knowledge of COM/ATL •    Experience in distributed system design. In Wärtsilä Voyage you will have the opportunity to: •    Be a part of a global team of professionals •    Work on complex interesting products and build your career at international scale •    Introduce your ideas and take initiatives Last application date: 15/07/2026  At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.  Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country. This is Wärtsilä Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on <a href="http://www.wartsila.com">www.wartsila.com</a>.

Software Developer Engineer Trainee

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Wartsila

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