> Markdown version of [/jobs/ext/3855246-senior-c-web-backend-engineer](https://www.wearedevelopers.com/jobs/ext/3855246-senior-c-web-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior C++ Web Backend Engineer - **Company:** Luxoft Spain - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Agile Methodology, C++ (Programming Language), CMake, Databases, Software Debugging, Qt (Software), Software Tools, Subversion, Web Applications, Multithreading, Backend, Git, Build Tools - **Published:** October 22, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-c-web-backend-engineer--madrid--ed62ef6285a44f07e1cc4136afba4bd61 ## About the Role You will design architectures, implement high-performance back-end components in C++, integrate with databases, and collaborate with front-end developers within an Agile environment. The ideal candidate has 3+ years in C++, hands-on Qt experience, multithreaded software skills, and solid debugging and build tools knowledge (Git, SVN, cmake). ## Description Luxoft Spain is seeking an experienced C++ Software Developer to join a team focused on building a web application for global orthodontic solutions. You will design architectures, implement high-performance back-end components in C++, integrate with databases, and collaborate with front-end developers within an Agile environment. The ideal candidate has 3+ years in C++, hands-on Qt experience, multithreaded software skills, and solid debugging and build tools knowledge (Git, SVN, cmake).