Vulnerability Researchers / Security Researchers

We are a Barcelona-based R&D center looking for Vulnerability Researchers / Security Researchers to join our team. The role focuses on hands-on vulnerability research, including finding and exploiting vulnerabilities in complex systems such as browsers, kernels, mobile and desktop operating systems. We offer full-time remote work as well as relocation opportunities to Barcelona. Flexible working hours are supported depending on productivity and time zones.

• Proven hands-on experience in vulnerability research and vulnerability exploitation
• Experience in exploit development
• Experience in finding vulnerabilities in complex systems
• Experience with reverse engineering
• Knowledge of OS internals
• Knowledge of modern exploitation techniques
• Experience researching at least one of the following areas: browsers, kernels, mobile OSes, desktop OSes, or embedded systems
• Experience with platforms such as Windows, Linux, macOS, iOS, or Android
• Ability to work independently in a remote environment
• Availability for full-time work

• Detect, analyze, and exploit vulnerabilities
• Conduct vulnerability research across browsers, kernels, mobile and desktop operating systems, and other complex software
• Understand the technical details of vulnerabilities and assess their real impact
• Develop exploits, proof-of-concept code, scripts, and software modules to validate vulnerabilities
• Perform reverse engineering and binary analysis as part of vulnerability research
• Reverse-engineer security patches to better understand vulnerabilities
• Use fuzzing and other research techniques to discover vulnerabilities
• Effectively communicate vulnerability findings and their technical impact
• Assist in the development of tools for vulnerability and security research

• Published CVEs or other proven records of discovered vulnerabilities
• Experience finding and exploiting vulnerabilities in browsers or OS kernels
• Experience with fuzzing
• Participation in CTFs, security competitions, or security conferences
• Bug bounty or independent vulnerability research experience
• Published security research, technical write-ups, PoCs, or research tools
• Offensive security background
• Academic degree in Computer Science, Mathematics, or Physics