C# Developer

Sea Machines is a fast-growing startup specializing in autonomous technology for marine vessels.

We are passionate about applying practical A.I. to the massive global ocean transportation market.

Our products provide ships and workboats with the intelligence to work remotely and give maritime operators the tools to communicate with them effectively.

Based in Poland and operating globally, the company is crewed by an experienced team of mariners, engineers, coders, and autonomy scientists.

🚢 C# Developer – Build Software That Powers the Future of Autonomous Vessels

Are you a C# Developer looking for a role where your work has real-world impact? Do you want to develop high-performance UI solutions that help mariners plan autonomous missions and monitor vessels in real-time?

In this role, you'll work with cross-functional teams based in Boston, collaborating with product managers and autonomy engineers to design intuitive, scalable, and mission-critical interfaces. If you're passionate about WPF and problem-solving, we’d love to hear from you.

🌊 Why Join Us?

✅ Work on technology that matters – Your code will directly contribute to safe, reliable, and AI-driven vessel autonomy.

✅ Challenge yourself daily – Solve complex, high-impact problems in maritime automation, working with a team of top engineers.

✅ Work-life balance that works for you – Flexible work arrangements and a people-first culture where we care about your well-being.

✅ Fair, transparent compensation – Salary based on your expertise and contributions, with room for discussion.

✅ A supportive team that values growth – Work with engineers, product managers, and industry experts in an environment where knowledge-sharing and mentorship are part of the culture.

⚡ Ready to Make an Impact? Let’s Talk!

📩 Send us your resume – we’d love to chat and see if this is a great fit!

💼 Your Role & Responsibilities

• Develop, test, and integrate user interface software for marine vessel autonomy using C# and WPF.
• Collaborate with autonomy and UI teams to design communication interfaces that ensure seamless system integration.
• Debug, optimize, and maintain high-performance applications built for real-world maritime environments.
• Participate in real-world testing, including automated simulations and live vessel trials.
• Work closely with customer support to resolve issues and improve the user experience.
• Work within Agile (Scrum) workflows, CI/CD pipelines, and maintain documentation to ensure scalable, high-quality software development.

Our requirements

🎯 What You Bring to the Team

✅ BS in Computer Science, Computer Engineering, or other related engineering field.

✅ 3+ years of experience in .NET Framework and WPF, working with large WPF applications, preferably for commercial products.

✅ Proficiency in MySQL/MS SQL – database design, querying, and management.

✅ Strong understanding of software architecture, data modeling, and security best practices.

✅ Experience with modern software development practices, specifically version control, Agile methodology, and CI/CD workflows.

✅ Ability to collaborate with engineers across disciplines to integrate software and hardware systems.

✅ Excellent problem-solving and debugging skills, with a proactive approach to challenges.

✅ Familiarity with UNIX/Linux shell scripting.

✅ Experience collaborating with other functional teams to seamlessly integrate software and hardware systems.

💡 Bonus points if you have:

• Experience with Python or JavaScript.
• Knowledge of RESTful API design and development.
• Knowledge in TCP/IP networking.
• Hands-on experience in autonomous systems, robotics, or IoT solutions.

What we offer

• Flexible work hours – Work when you’re most productive, with autonomy over your schedule with 3 days in the Gdańsk office setup.
• Office stocked with coffee, tea, fresh water and fruits – Stay energized with unlimited access to refreshments.
• Sports & wellness allowance – We support an active lifestyle with subsidies for gym membership.
• Eyewear subsidy – We’ve got your vision covered with financial support for corrective glasses.
• Private healthcare package – Access to medical services for your well-being.
• Team lunches every Wednesday – A chance to connect, unwind, and enjoy a meal together.