Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future. With the world’s widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers. The opportunities presented through digitalisation and new technologies are offering a new era of shipping. Did you know that shipping is the world’s most efficient mode of transportation and that 88% of the world's trade is carried by sea? We want to change the course towards an interconnected and cleaner maritime future and are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies through innovation in technology and services - together. Are you ready to jump onboard? We are looking for a Front-End Developer to join our team and work on the client for data monitoring in navigational simulation software.  The location for the position is in Belgrade,Serbia.  What you will be doing  In this role, you will develop complex interfaces, integrate mapping services, and work with data visualization. You'll work on a product that trains 40% of the world’s bridge officers, enhancing maritime safety and training. As part of an innovative team, you'll shape maritime simulation and engage with real users to make a tangible impact. As Software Developer Engineer your work will focus on these responsibilities:  <ul><li>Develop and maintain a web application using React + TypeScript</li><li>Work with Canvas/WebGL for data visualization</li><li>Integrate mapping services (Mapbox, Leaflet)</li><li>Develop Web Components</li><li>Use MobX for state management</li><li>Conduct code reviews, write tests, and participate in technical discussions</li><li>Collaborate with backend developers and contribute to API design</li></ul> To be successful in this role, we expect you to have:  <ul><li>5+ years of experience in front-end development with React + TypeScript</li><li>Strong understanding of ES6+ and modern JavaScript standards</li><li>Experience with MobX</li><li>Experience working with Canvas and 2D graphics</li><li>Understanding of Web Components</li><li>Experience with Mapbox, Leaflet</li><li>Proficiency with Git (GitHub Actions as well)</li><li>Experience with SCRUM (Agile) development processes</li></ul> Nice to have: <ul><li>Experience with Thrift</li><li>Knowledge of Node.js</li><li>Experience with D3.js, PixiJS, WebGL</li><li>Experience with SASS/LESS and knowledge of BEM</li><li>Experience with SAFe (Scaled Agile Framework).</li></ul> Why you and us?  We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other’s growth and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative. We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. We don’t always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition? We have an amazing team and we are excited about our work and the impact it has on building sustainable societies. We are looking to find a colleague with this shared passion for smart technologies and a sustainable future.  Contact &amp; next steps  We hope to hear from you soon, by submitting your application through our careers portal. We aim to keep you updated on the process throughout. Welcome to join us in shaping the decarbonisation of marine and energy!Last application date: 06/09/2025  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 and under applicable local legislation and practices, 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>. #LI-MH2

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 (Front-end, NavSim)

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future.&nbsp;With the world’s widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers. The opportunities presented through digitalisation and new technologies are offering a new era of shipping. Did you know that shipping is the world’s most efficient mode of transportation and that 88% of the world's trade is carried by sea? We want to change the course towards an interconnected and cleaner maritime future and are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies through innovation in technology and services&nbsp;- together. Are you ready to jump onboard?&nbsp;We are looking for a Front-End Developer to join our team and work on the client for data monitoring in navigational simulation software.&nbsp; The location for the position is in Belgrade,Serbia.&nbsp;&nbsp;What you will be doing&nbsp;&nbsp;In this role, you will develop complex interfaces, integrate mapping services, and work with data visualization. You'll work on a product that trains 40% of the world’s bridge officers, enhancing maritime safety and training. As part of an innovative team, you'll shape maritime simulation and engage with real users to make a tangible impact.&nbsp;As Software Developer Engineer your work will focus on these responsibilities:&nbsp;&nbsp;<ul><li>Develop and maintain a web application using React + TypeScript</li><li>Work with Canvas/WebGL for data visualization</li><li>Integrate mapping services (Mapbox, Leaflet)</li><li>Develop Web Components</li><li>Use MobX for state management</li><li>Conduct code reviews, write tests, and participate in technical discussions</li><li>Collaborate with backend developers and contribute to API design</li></ul>&nbsp;To be successful in this role, we expect you to have:&nbsp;&nbsp;<ul><li>5+ years of experience in front-end development with React + TypeScript</li><li>Strong understanding of ES6+ and modern JavaScript standards</li><li>Experience with MobX</li><li>Experience working with Canvas and 2D graphics</li><li>Understanding of Web Components</li><li>Experience with Mapbox, Leaflet</li><li>Proficiency with Git (GitHub Actions as well)</li><li>Experience with SCRUM (Agile) development processes</li></ul>&nbsp;Nice to have:&nbsp;<ul><li>Experience with Thrift</li><li>Knowledge of Node.js</li><li>Experience with D3.js, PixiJS, WebGL</li><li>Experience with SASS/LESS and knowledge of BEM</li><li>Experience with SAFe (Scaled Agile Framework).</li></ul>&nbsp;Why you and us?&nbsp;&nbsp;We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other’s growth and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative.&nbsp;We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. We don’t always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition?&nbsp;We have an amazing team and we are excited about our work and the impact it has on building sustainable societies. We are looking to find a colleague with this shared passion for smart technologies and a sustainable future.&nbsp;&nbsp;Contact &amp; next steps&nbsp;&nbsp;We hope to hear from you soon, by submitting your application through our careers portal. We aim to keep you updated on the process throughout.&nbsp;Welcome to join us in shaping the decarbonisation of marine and energy!Last application date: 06/09/2025&nbsp;&nbsp;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.&nbsp;Please note that according to Wärtsilä policy and under applicable local legislation and practices, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country. &nbsp;This is Wärtsilä&nbsp;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>.&nbsp;#LI-MH2

Software Developer Engineer (Front-end, NavSim)

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Wartsila

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