Senior C++ Web Architect (Qt) – Multithreaded Backend

Luxoft; Madrid; On-site; EUR 42,000 - 64,000; Full time

Job summary

Luxoft in Madrid seeks an experienced C++ Software Developer to contribute to a web application project for a global orthodontics leader. You will design architectures, implement high-performance back-end components, and integrate with databases while collaborating with front-end teams.

You will work in an Agile environment, review code, mentor juniors, and create technical documentation. The role requires knowledge of multithreaded C++, Qt, Git/SVN, cmake, and strong English skills; passion for

Qualifications

• Bachelor or Master degree in Computer Science, IT, Engineering or related subject.
• Experience in designing, writing and shipping multithreaded C++ code (C++11/14) for at least 3 years.
• Experience developing web applications in C++ for at least 1 year.
• Experience with Qt (version 5+) for at least 1 year.
• Aspiration to constantly enhance and learn about new technologies and concepts.
• Knowledge in debugging software, version control systems (Git, SVN), and building environments (cmake).
• Upper-intermediate English (at least) is mandatory.

Responsibilities

• Architectural design: propose scalable software architectures for web applications.
• Back-end development: build high-performance server-side components in C++.
• Database integration: design data storage schemas and optimise queries.
• System performance optimisation: address bottlenecks and improve efficiency.
• Collaboration with front-end developers: implement APIs and data communication protocols.
• Debugging and issue resolution: diagnose and fix complex software issues.
• Code reviews and mentoring: ensure code quality and guide junior team members.
• Technical documentation: create architecture diagrams, API specs, and coding standards.
• Agile collaboration: participate in sprint planning and deliver on time.
• Continuous learning: stay updated with new technologies and best practices.

Skills

Multithreaded C++

Web applications in C++

English proficiency

Aspirations to learn

Debugging

Education

Bachelor/ Master in CS or related

Tools

Qt

Git

SVN

cmake

Job description

Luxoft in Madrid seeks an experienced C++ Software Developer to contribute to a web application project for a global orthodontics leader. You will design architectures, implement high-performance back-end components, and integrate with databases while collaborating with front-end teams.

You will work in an Agile environment, review code, mentor juniors, and create technical documentation. The role requires knowledge of multithreaded C++, Qt, Git/SVN, cmake, and strong English skills; passion for