Staff Security Engineer | Application Security

Role overview Own security work across a large, multi-service product, with a focus on application security and secure software development. The role combines hands-on technical work with cross-team leadership, connecting findings from testing, incidents, cloud environments, and compliance into a coherent approach to reducing risk.

Responsibilities - Lead architecture reviews and threat modeling for high-risk projects, and establish secure design and coding practices. - Plan or conduct penetration tests and red-team exercises, then work with engineering teams to resolve root causes. - Coordinate remediation of complex vulnerabilities and incidents across services; turn post-incident reviews into lasting safeguards. - Set security measures and targets, such as remediation timelines and response goals, and build monitoring to track progress. - Guide security architecture, platform changes, and migrations involving areas such as identity, cloud, or key management. - Deliver larger security initiatives, balancing immediate fixes with durable reductions in security risk.

Requirements - Deep hands-on expertise in at least one security domain, such as application security, threat intelligence, detection engineering, or cloud security. - Working familiarity across security disciplines, including incident response and compliance. - Ability to assess technical risks across connected systems and make sound decisions when ownership or the right path is unclear. - Experience coordinating engineering teams and communicating risks, decisions, and remediation progress to stakeholders. - Ability to connect security findings and requirements to practical engineering changes and organization-wide safeguards.

Benefits and work setup - Remote role open to candidates located in Brazil. - Home-office reimbursement and flexible scheduling. - Health, dental, and life insurance, plus a wellness membership and emotional wellbeing resources. - Paid parental leave and paid time off, including an additional birthday day off.