[Remote] Senior Software Engineer, Security

Note: The job is a remote job and is open to candidates in USA. SeatGeek is a company focused on modernizing the ticketing industry through technology and a fan-first approach. They are seeking a Senior Software Engineer specializing in security to enhance their security posture across various platforms and products, collaborating with multiple teams to implement secure practices and tooling.ResponsibilitiesBuild and contribute to secure-by-default protections across the stack (cloud, CI/CD, applications, and endpoints) by creating paved roads and guardrails that make the secure path the easy path within your problem spaceProvide practical security guidance on new products and technologies, recommending secure-by-default patterns that fit into existing workflowsHelp secure SeatGeek's use of AI — from LLM-assisted development to AI-powered product features — by building guardrails and reviewing for risks like prompt injection, sensitive-data exposure, and insecure model and tool integrationsContribute to design reviews and threat modeling for high-impact features and services; surface risks early and help ensure mitigations are designed inBuild security tooling that prevents issues at build/deploy time and helps automate detection and response in productionImprove our detection and incident response capabilities — raise signal quality, tune detections, and implement automated responders that reduce manual toil and time to containPartner with engineering and business teams on cross-functional security work: endpoint and device trust, identity and email protections, security awareness and training, vendor reviews and risk assessments, and supporting compliance efforts (e.g., PCI/SOX)Protect SeatGeek from abuse and bots at the edge and app layers through layered defenses and tuningContribute to security incidents and tabletops, including writing incident reviews; help improve runbooks, processes, and stakeholder communications afterwardAdvocate for strong secure coding practices and contribute to a pragmatic, positive security culture across your team and partner teamsSkills3+ years of broad, hands-on experience across multiple security domains, with strong software engineering fundamentals; track record of driving security projects end-to-end (from design through rollout and adoption)Proficiency in one or more programming languages (we use Python, Go, and C#); you write production-quality code and perform rigorous reviews for correctness and securityExperience partnering across product, platform, and business functions to contribute to cross-team security outcomesAbility to build scalable, preventative security solutions across domains (platform/cloud, applications, CI/CD, identity and endpoints), favoring reusable guardrails over one-off fixesAbility to think like both an attacker and a defender — leveraging each perspective to strengthen the other and drive meaningful improvements in prevention, detection, and responseFamiliarity with the security implications of AI/LLM systems — LLM-assisted development, prompt injection, data leakage, and securing model/agent integrations — is a plusBenefitsEquity stakeDiscretionary annual bonusFlexible work environment, allowing you to work as many days a week in the office as you’d like or 100% remotelyA WFH stipend to support your home office setupUnlimited PTOEligible for the SG discretionary annual bonus based on individual and company performanceUp to 16 weeks of fully-paid family leave401(k) matchingStudent loan matching programHealth, vision, dental, and life insuranceUp to $25k towards family building, reproductive health services and Gender-affirming care$500 per year for wellness expensesSubscriptions to Headspace (meditation), Headspace Care (therapy), and One Medical$360 per quarter to spend on tickets to live eventsAnnual subscription to Spotify, Apple Music, or Amazon musicCompany OverviewSeatGeek operates a mobile-focused ticket platform and search engine that lets fans buy and sell tickets for events. It was founded in 2009, and is headquartered in New York, New York, USA, with a workforce of 501-1000 employees. Its website is https://seatgeek.com.Company H1B SponsorshipSeatGeek has a track record of offering H1B sponsorships, with 13 in 2025, 6 in 2024, 13 in 2023, 7 in 2022. Please note that this does not guarantee sponsorship for this specific role.