Principal Software Engineer (Desktop/UI) at Intellias

Join our Mapping & Ablation System Software Team and help shape the next generation of cardiac electrophysiology technology. This system enables physicians to visualize the heart’s electrical activity in real time and deliver targeted ablation therapy for patients with arrhythmias. You’ll advance the software that makes this life-changing technology usable, responsive, and clinically impactful.As a Principal Desktop UI Engineer, you’ll design and build intuitive, high-performance user interfaces that power advanced real-time visualization tools used by clinicians treating cardiac arrhythmias.What we offer you in USAWe honor the contract terms you prefer.20 paid vacation days per year40 working hours per weekRetirement Plan 401(K)Medical, Dental, Vision Insurance Plan for you and your Family100% On-Site position in NewtonWhat You’ll DoLead the design and development of desktop UI features using Qt/QML, Python, and C++ in a Linux environment.Build fast, data-rich, real-time interfaces for complex clinical workflows.Partner with UI/UX designers, hardware engineers, and clinical teams to translate requirements into polished user experiences.Own major software components from architecture through implementation, testing, and deployment.Mentor junior engineers and champion modern engineering practices.Support pre-clinical evaluations and system demos for internal and clinical stakeholders.ResponsibilitiesRequired Bachelor’s degree + 7 years experience, or Master’s degree + 5 years, or PhD + 3 years.Strong background building high-performance UI applications.PreferredExpertise in Python and C++; experience with ROS or device-level communication is a plus.Deep experience with Qt/QML or similar UI frameworks (PyQt, OpenGL, Unity, GTK, WPF).Proven ability to develop real-time or data-intensive applications.Strong grasp of software architecture, design patterns, and modern development practices.Experience collaborating with UI designers and implementing designs from tools like Figma.Familiarity with Agile, Git, CI/CD, and cloud platforms (AWS/Azure).Experience in regulated environments (medical devices strongly preferred).Excellent communication, problem-solving skills, and team collaboration abilities.