QML Developer (Qt / C++) hybrid

FlightPath3D; Lisboa; On-site; EUR 45,000 - 65,000; Full time

Job summary

FlightPath3D in Portugal is seeking a QML Developer to join our team and build modern user interfaces based on the Qt5 framework. You will develop and maintain high-quality applications, collaborating closely with engineers and designers.

The role emphasizes C++ backend integration, code reviews, debugging, and ensuring scalable, maintainable solutions across platforms.

Qualifications

• Strong knowledge of C++ with OOP/OOD principles.
• At least 3 years hands-on experience with the Qt Framework.
• Proficiency in QML with a minimum of 3 years of experience.

Responsibilities

• Develop and maintain user interfaces using QML and Qt5
• Implement application logic in C++
• Collaborate with the team to design clean, scalable, and maintainable solutions
• Participate in code reviews and contribute to improving code quality
• Troubleshoot, debug, and optimize existing applications

Skills

C++ knowledge

QML & Qt5 experience

OOP/OOD principles

Tools

Qt Framework

Git

Job description

We are one of the most innovative tech companies in the travel space selected by 100+ airlines in just 12 years.

Winners of APEX award in the best innovative inflight entertainment 2024!

Winners of PAX Tech readership award in the best in Accessibility 2025!

We work with the largest airlines TAP, ANA, Air France, United Airlines, Delta, Saudia Airlines, Qatar Airways, China Airlines and vendor companies Thales, Panasonic, Rave etc.

Our friendly team is distributed all over the world. The main offices are located in the USA and Portugal.

About the Role

We are looking for a QML Developer to join our team and work on developing and maintaining modern user interfaces based on the Qt5 framework. You will be involved in building reliable, high-quality applications and collaborating closely with engineers and designers.

Responsibilities

• Develop and maintain user interfaces using QML and Qt5
• Implement application logic in C++
• Collaborate with the team to design clean, scalable, and maintainable solutions
• Participate in code reviews and contribute to improving code quality
• Troubleshoot, debug, and optimize existing applications

Qualifications

• Strong knowledge of C++ with a solid understanding of OOP and OOD principles
• At least 3 years of hands‑on experience with the Qt Framework
• Proficiency in QML with a minimum of 3 years of experience

Nice to Have

• Experience with version control systems (Git)