Staff Software Engineer
Staff Software Engineer building APIs, scaling AI infrastructure, and designing developer experiences. Drive technical direction, mentor engineers, and collaborate across the stack in TypeScript and Next.js.
Staff Software Engineer, Agent Platform
Build high-throughput backend services, collaborative multiplayer systems for AI agents, and full-stack infrastructure to enhance the Agent platform. Requires 5+ years in backend/systems engineering with full-stack experience preferred.
250k – 365kFoster City, CABackend EngineeringHybrid5+ YOE
About the role
Responsibilities
- Build high-throughput backend applications and services, like streaming chat between user and agent.
- Design a collaborative "Multiplayer Computer" that lets humans and AI agents work together on shared shells, filesystems, and state—conflict-free and in real time.
- Develop infrastructure (frontend & backend) that empowers product engineers to rapidly ship delightful user experiences.
- Design and build durable, well-crafted interfaces between the Agent and internal systems, as well as external agentic systems (MCP).
Required Skills and Experience
- 5+ years professional experience in building backend services, systems and platforms.
- Someone who values simplicity and pragmatism—you think radically but ship incrementally.
- Self-directed and comfortable working autonomously.
- Collaborative and team-oriented with a strong sense of shared ownership.
Preferred Qualifications
- Experience across the full-stack.
- Experience building AI powered tooling or products.
- Experience with collaborative editing technologies such as Operational Transforms (OT), CRDTs, or the inner workings of Git.
- Experience with event sourcing systems.
What We Value
- Problem-solving mindset: Ability to approach complex operational challenges systematically and devise effective solutions.
- Self-directed and autonomous: Capable of working independently while collaborating effectively with cross-functional teams.
- Strong communication skills: Ability to explain complex technical concepts to both technical and non-technical audiences.
- Continuous learning: Passion for staying current with industry best practices and new technologies.
- Focus on automation: Strong belief in automating repetitive tasks and building self-healing systems.
Full-Time Employee Benefits Include
- Competitive Salary & Equity
- 401(k) Program with a 4% match
- Health, Dental, Vision and Life Insurance
- Short Term and Long Term Disability
- Paid Parental, Medical, Caregiver Leave
- Commuter Benefits
- Monthly Wellness Stipend
- Autonomous Work Environment
- In Office Set-Up Reimbursement
- Flexible Time Off (FTO) + Holidays
- Quarterly Team Gatherings
- In Office Amenities
Skills
Backend DevelopmentFull-StackAI ToolsOperational TransformsOtCrdtsGitEvent SourcingStreaming ServicesSystems EngineeringDeveloper Experience
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