{"id":"5021401697","title":"Staff Software Engineer, Security & AI Platform","posted_at":"2026-06-02T18:17:47.000Z","apply_url":"https://job-boards.greenhouse.io/gusto/jobs/7590298","locations":["San Francisco, CA"],"employment_type":"full_time","workplace_type":null,"seniority_level":"senior","description_language":"en","source_name":"greenhouse","source_url":"https://job-boards.greenhouse.io/gusto/jobs/7590298","salary":{"min":21894,"max":260000,"currency":"USD","period":"year","display":"$21,894–$260,000"},"job_summary":"Gusto is a platform dedicated to growing the small business economy by simplifying payroll, benefits, and HR. This Senior Software Engineer role focuses on the Product & AI Security Engineering team to evolve security foundations, protect core services, and secure AI/LLM features.","job_description":{"responsibilities":["Strengthen core services and data protections including access control and APIs","Detect and mitigate account takeover and abuse","Build security platforms and tooling for product and AI teams","Maintain high-availability services","Address AI/LLM security challenges through threat modeling and mitigation","Promote security and software engineering excellence","Collaborate on authentication and authorization systems"],"minimum_qualifications":["7+ years of experience as a backend engineer building large-scale server-side services and APIs","Proven track record building highly available distributed systems","Proficiency in Ruby, Python, Kotlin, or JavaScript/TypeScript","Experience with AI tools for coding","Strong collaboration and problem-solving skills"],"preferred_qualifications":["Genuine curiosity and desire to work within the security domain"]},"visa_sponsorship":null,"experience_years_min":7,"job_address":null,"job_city":"San Francisco","job_state":"CA","job_country":"US","location_lat":37.7605675,"location_lng":-122.3856275,"keywords":["cross-functionally","small business","authentication","collaboration","architecture","Collaborate","large-scale","distributed","experiences","competitive","engineering","TypeScript","JavaScript","Kubernetes","Terraform","standards","scalable","security","Platform","business","modeling","account","backend","GraphQL","privacy","design","Cursor","Python","Kotlin","GitHub","Google","teams","local","craft","clean","forms","stock","data","APIs","LLMs","gRPC","AI"],"company":{"name":"Gusto","logo_url":"https://img.logo.dev/gusto.com?token=pk_fWx5G5QrQMm-0Ud8BW3mBg&size=64&format=png","description":"Gusto provides a platform that manages payroll, health insurance, 401(k)s, and HR services for small businesses.","website_url":"https://gusto.com","linkedin_url":"https://www.linkedin.com/company/gustohq","glassdoor_url":"https://www.glassdoor.com/Overview/Working-at-Gusto-EI_IE1069704.11,16.htm","x_url":"https://twitter.com/gustohq","instagram_url":"https://www.instagram.com/gustohq/","youtube_url":"https://www.youtube.com/gusto","github_url":"https://github.com/gusto","huggingface_url":null,"tiktok_url":"https://www.tiktok.com/@gustohq","crunchbase_url":"https://www.crunchbase.com/organization/gusto","facebook_url":null,"employee_count_range":"1001-5000","employee_count":null,"founded_year":2011,"headquarters":{"address":"525 20th St, San Francisco, CA 94107, United States","city":"San Francisco, CA","country":"US","lat":37.7879363,"lng":-122.4075201},"industry":"fintech","company_type":"enterprise","total_funding_usd":746000000,"locations":["Chicago","Chicago, IL","Denver","Denver, CO","New York, NY","Phoenix, AZ","San Francisco, CA","San Franscisco","Scottsdale, AZ","Seattle, WA"]}}