Senior Compiler Engineer C++/LLVM - Leuven

Posted 7/17/2026 · last confirmed live 8/26/2026

Summary We are looking for an  experienced compiler engineer with a strong interest in software security to join our team working on iXGuard. Our LLVM-based software protection product focuses on hardening iOS applications against both static analysis and dynamic tampering. The ideal candidate thrives on designing and executing new ideas for our next code hardening layer to counter reverse engineering techniques and runtime hooking. You make excellent use of the available flexibility in our team to test those ideas and experiment further. The person we are looking to hire strategically prioritizes tasks and actively improves our codebase. He or she is a disciplined and independent worker who takes pride in his or her work.    Responsibilities Maintain and improve our existing code base. Research, test and implement additional code hardening techniques. Support customers in the usage of our software. Continuously improve the code quality through extensive testing. Stay up-to-date with reverse engineering practices.   Profile Master's degree in Computer Science. +5 years of experience in a similar role. Excellent modern C++ skills. Previous experience working with complex code bases. Experience with LLVM tools and libraries. Experience with compiler internals. Strong command of low level programming and debugging practices that come with it.   What Guardsquare offers you   A full time job with a competitive salary package You are provided with the tools & flexibility to develop yourself successfully  An international environment where you will interact with motivated & open colleagues with different backgrounds A workplace where you can share and implement your ideas A hybrid work policy, which helps guarantee an excellent work-life balance   At Guardsquare, we take pride in being a diverse and multicultural company with team members representing numerous nationalities. We value different perspectives and opinions throughout the business which has contributed to our being the market leader in mobile application security.  You will be part of a dynamic team that strives for excellence and focuses on continuous education and enhancement in skills. We encourage & empower our trusted colleague s to share their opinions, actively collaborate, and continue to learn and grow.   So, what are you waiting for? Join us!  You can apply for this opportunity by filling out the application form below!      About Guardsquare     Guardsquare offers the most complete approach to mobile application security on the market, delivering the highest level of protection, with ease. Guardsquare integrates seamlessly across the full development cycle, from mobile app security testing and code hardening to real-time threat detection and API security. Guardsquare provides enhanced mobile application security across the entire development process. More than 1,000 customers worldwide across all major industries rely on Guardsquare to help them identify security risks and protect their mobile applications and SDKs against reverse engineering and tampering in the ever-evolving threat landscape. Guardsquare is based in Leuven (Belgium) with offices in Ghent (Belgium), Boston (USA) and Munich (Germany).  

This role is published by Guardsquare on greenhouse. SwiftFit is not the employer and does not accept applications.