Mobile App Developer with Security Ambitions (iOS/Android)

Guardsquare is seeking an experienced iOS and/or Android app developer to join their R&D team in Leuven. The ideal candidate will have a strong interest in the security aspects of mobile apps and a desire to build mobile security tools. They should have a thorough understanding of the mobile application development process and a passion for the ecosystem and its internals. The candidate should also have experience in either Java/Kotlin (Android) or C++ (iOS) and an interest in compiler technology. This is an opportunity to broaden horizons and work on developer tooling that offers the best protection with the best user experience.

• Make sure our developers select the right protection mechanisms with the best security/performance ratio.
• Propose improvements to how our tools are used and configured, minimizing the effort for the app developer while maximizing the resulting security level.
• Understand the tradeoffs developers make, and propose mechanisms to facilitate these choices.
• Maintain and improve our existing Java or C++ code base.
• Stay up-to-date with reverse engineering practices.
• Research, test and implement additional code hardening techniques.
• Support customers in the usage of our software.
• Continuously improve the code quality through extensive testing.

• Thorough understanding of the mobile application development process
• Knowledge of Android and Java internals
• Strong Java skills
• Familiarity with LLVM and C++
• Expertise in both Android and iOS platforms
• Passion and interest in the mobile app ecosystem and its internals
• Ability to propose improvements to tools and configurations
• Understanding of tradeoffs in app development and ability to propose mechanisms to facilitate choices
• Proficiency in Java/Kotlin (Android) or C++ (iOS)
• Interest in compiler technology and familiarity with Java bytecode or LLVM tools and libraries
• Hands-on experience with app developer tools and concepts for Android and iOS platforms
• Degree in a Computer Science related field
• Experience with code hardening techniques and reverse engineering practices
• Strong problem-solving and debugging skills
• Excellent communication and collaboration abilities
• Continuous learning mindset and willingness to stay up-to-date with industry trends and advancements

• Competitive salary package
• Tools and flexibility for successful development
• International environment with diverse colleagues
• Opportunity to share and implement ideas
• Hybrid work policy for work-life balance
• Dynamic team focused on continuous education and enhancement
• Diverse and multicultural company
• Market leader in mobile application security
• Opportunity for continuous learning and growth