Senior Product Security Engineer

Founded in 2018 with co-headquarters in Dublin and Boston, Tines powers some of the world's most important workflows. Our intelligent workflow platform applies AI, automation, and integration with human ingenuity to drive real business results. Tines serves a diverse range of customers, from startups to public companies, including Canva, Databricks, Elastic, Kayak, Intercom, and McKesson. As an integrator across the entire tech stack, Tines is vendor-agnostic integrating with any API-enabled service. This flexibility enables our customers to achieve their highest-priority goals faster. And because Tines is secure and private by design, it’s popular with security, IT, engineering, finance, and other security-focused teams. At Tines, we're driven by our values of Simplicity, Speed, and Soundness. We're committed to delivering exceptional customer experiences while fostering a company culture that nurtures individual curiosity, growth, and integrity. We’re excited about what’s next, and we’re looking for others to join us on our journey. The Role We're seeking a Senior Product Security Engineer who is passionate about building and scaling robust security programs in an AI-forward engineering environment. Reporting to our Head of IT Operations & Information Security, you'll lead efforts to mature our product security initiatives at a pivotal moment of product expansion, ensuring security keeps pace as our developers increasingly leverage AI in their workflows. A core part of this role is using AI and automation as force multipliers, building security tooling, guardrails, and review processes that scale to match the velocity of AI-assisted development across our engineering org. This position can be based remotely in the United States. Key Responsibilities Product Security Leadership : Partner with product and engineering teams to integrate security throughout the development lifecycle and drive security initiatives across our stack. AI-Augmented Security : Leverage AI and automation to scale product security coverage, matching the pace of AI-assisted development across engineering. Security Architecture : Design and implement security controls and architecture that scale with our growing product portfolio. Threat Modeling & Risk Assessment : Conduct comprehensive security reviews and threat modeling to identify and mitigate potential vulnerabilities, including risks introduced by AI-generated code and AI-powered features. Vulnerability Management : Contribute to our vulnerability management program, including triaging bug bounty and vulnerability disclosure reports and driving remediation efforts. Security Automation : Develop and implement automated security testing, monitoring, and response capabilities, using Tines itself, plus AI-driven tooling, to eliminate manual toil. Security Incident Response : Serve as an incident responder during security events and lead post-incident reviews. Security Education : Champion security awareness and provide technical guidance to engineering teams, including best practices for secure AI-assisted development. Qualifications 8+ years of experience in application or product security roles, with demonstrated expertise in securing cloud-native applications. Strong understanding of modern application security principles, OWASP Top 10, and secure SDLC practices. Experience leveraging AI and automation to scale security programs (e.g., LLM-assisted code review, automated triage, agentic security workflows). Experience with cloud security (AWS preferred) and securing containerized environments (Docker, Kubernetes). Proficiency in modern programming languages; experience with Ruby, TypeScript, and/or Rust is highly desirable. Knowledge of security testing methodologies and tools (SAST, DAST, SCA). Experience with CI/CD security integration and DevSecOps practices. Strong incident response skills and experience participating in on-call rotations. Excellent communication skills with ability to translate