Critical Software
C++ Software Engineer
Critical SoftwarePortugal8 hours ago
Full-timeEngineering

At Critical Software we truly believe that our people is what makes us what we are. At the heart of everything we do are our diverse and talented individuals, pushing the boundaries of what´s possible.

Working at Critical is more than just a career choice, is more than a business: we're a community with a strong sense of purpose, values, and togetherness. Our engineering excellence ensures that we are a trusted partner to some of the world's leading companies in markets such as Aerospace, Railway, Medical Systems, Defense and many more.

We are always on the lookout for bright and ambitious individuals to join us.


Could you be the C++ Software Engineer that we've been looking for?


What do we expect from you?


  • Academic background in Engineering or a related field (e.g., Software, Electronics, Physics, Mathematics, etc.);
  • Proven experience throughout the full software development lifecycle: from requirements gathering to design, implementation, testing, documentation, deployment, integration, and training;
  • At least 5 years of professional experience in software development, with strong proficiency in C++;
  • Knowledge of C and Rust is highly valued;
  • Solid practical experience with Qt/QML, especially for embedded application development;
  • Deep understanding of modern C++ standards, coding best practices, and software architecture design;
  • Experience with embedded systems is a plus;
  • Familiarity with performance analysis and memory profiling tools;
  • Demonstrated ability to take end-to-end ownership of complex systems—from design and prototyping to final optimization;
  • Strong skills in defining and communicating technical vision, aligned with project goals and capable of guiding and inspiring both peers and stakeholders;
  • A proactive and curious mindset, passionate about technology—enthusiastic about both sharing knowledge and learning from others
  • Good command of spoken and written English.


What can you expect from us?


  • A challenging environment where you can thrive, both personally and professionally
  • A real possibility of impacting the lives of millions of people while working in the most critical industries
  • The opportunity to make the difference while participating in social initiatives
  • Work-life balance: flexible work policies designed to fit your life around your career at Critical
  • Fringe Benefits and Well-being especially planned to support you and those who are important to you
  • Modern and cosy offices that will make you feel just like home

Key Skills

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