Security Software Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Security Software Engineer based in Brazil.

This role offers the opportunity to embed security expertise directly within software engineering teams and influence how products are designed, developed, tested, and maintained.
You will combine software engineering with proactive security practices such as threat modeling, architecture reviews, static analysis, fuzzing, and vulnerability response.
The position covers the full product security lifecycle, from developing secure features and hardening systems to investigating vulnerabilities and supporting security certifications.
You will work extensively with Linux and open source technologies while contributing to upstream projects and strengthening security across complex software ecosystems.
The role involves close collaboration with engineers, customers, partners, and open source communities to establish robust security practices and solutions.
You will have opportunities to work with technologies spanning Linux cryptography, security automation, vulnerability assessment, and low-level system components.
This position is ideal for a highly motivated security-focused engineer who combines strong technical skills with curiosity, accountability, and a passion for open source.