AfterQuery
Software Engineer - Security/Infrastructure
San Francisco
Sponsorship not specifiedDetected 57 days ago
TypeScriptPythonGoAWSGCPCloud PlatformsData EngineeringLLMsIncident ResponseValuationControlsResearch
About the role
- Replace manual security workflows with programmatic, scalable solutions
- Integrate security checks directly into development workflows without slowing shipping speed
Responsibilities
- In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it.
- Develop human-in-the-loop systems used in AI training and evaluation
- Build systems that identify and respond to real security events across our stack
- Own incident handling systems and processes from detection through resolution
- You should be comfortable using LLMs to accelerate debugging, threat analysis, and system design-and just as comfortable replacing repetitive work with code.
- Founding role-you'll define and own our data infrastructure from day one.
- As we scale, you'll have the opportunity to lead and grow an engineering team.
Requirements
- Experience working with cloud environments (IAM, networking, containers)
- Experience creating or maintaining signal-based monitoring and alerting systems
Nice to have
- Background in fast-scaling startups or high-output engineering teams
- Exposure to AI systems, data pipelines, or model evaluation workflows
- Familiarity with offensive security techniques
- Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of all time.
- Strong Team: The founding team has experience from Citadel Securities, Meta, Google, Silver Lake, and Morgan Stanley - get to work with the best:)
Skills
- Strengthen our cloud and production environments (GCP/AWS, containers, networking)
Compensation
- Equity & Growth – Competitive salary + equity.
Benefits
- Equity & Growth - Competitive salary + equity.
Company info
- Contribute to core infrastructure and internal tooling used across the company
- We serve every frontier AI lab with the mission of delivering the best data to power the best models.
- Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve.
- Ship features across the stack that directly impact customers and model performance
- Design and enforce access control systems across internal teams, experts, and customers
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This listing is sourced directly from AfterQuery's careers page and normalized into a canonical job model.