[Remote] Senior Software Engineer, Security Agents

Note: The job is a remote job and is open to candidates in USA. Cohere is on a mission to scale intelligence to serve humanity by training and deploying frontier models for AI systems. They are seeking a Senior Software Engineer to build intelligent systems that empower security teams by developing autonomous security agents and infrastructure to handle complex security tasks.ResponsibilitiesBuild autonomous security agents that perform alert triage, secure code reviews, threat modeling, and vulnerability assessmentDevelop agent orchestration systems that help security practitioners automate repetitive security tasksDesign and implement agent security controls to ensure our AI agents can safely interact with sensitive enterprise dataCreate the security infrastructure that allows agents to operate in high-trust environments with stringent deployment requirementsShip production-ready agent capabilities that run efficiently in resource-constrained environmentsResearch and implement novel security patterns for AI agent systems, sometimes requiring custom solutions where standard libraries fall shortConduct security testing of both the agents you build and the platform that runs themSkills5+ years of software engineering experience with a track record of shipping user-facing security featuresStrong Python development skills with significant production experienceExperience building or working with autonomous systems, AI agents, or intelligent automationSolid understanding of security principles including session management, authentication, authorization, and secure coding practicesAbility to think about security at multiple layers: application security, agent behavior security, and infrastructure securityComfortable working across the full stack and diving into unfamiliar codebases to understand and fix issuesThrive in fast-paced environments where you can adapt to evolving prioritiesExcited about the intersection of AI/ML and security engineeringBenefitsAn open and inclusive culture and work environmentWork closely with a team on the cutting edge of AI researchWeekly lunch stipend, in-office lunches & snacksFull health and dental benefits, including a separate budget to take care of your mental health100% Parental Leave top-up for up to 6 monthsPersonal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvementRemote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend6 weeks of vacation (30 working days!)Company OverviewCohere develops enterprise artificial intelligence software and provides language models, retrieval tools, and workplace platforms. It was founded in 2019, and is headquartered in Toronto, Ontario, CAN, with a workforce of 201-500 employees. Its website is https://cohere.com.Company H1B SponsorshipCohere has a track record of offering H1B sponsorships, with 11 in 2025, 14 in 2024, 13 in 2023, 5 in 2022, 2 in 2021. Please note that this does not guarantee sponsorship for this specific role.