Platform Software Engineer

Pi Security • San Francisco, CA

3d • $168,000 - $235,000 • Onsite

About The Position

Pi.Security is building an agentic product security platform that turns security context from code, tickets, documents, incidents, reviews, and team knowledge into institutional security memory. The platform helps teams triage faster, remediate in context, prevent recurring vulnerability classes, and integrate security guardrails into their engineering workflows.

The Platform Software Engineer will design, develop, and scale the core platform powering Pi's products. The role focuses on building shared services, frameworks, and abstractions that help the engineering team develop reliable software quickly. The position is based in Pi's San Francisco office five days a week, working in person alongside the founding team.

Requirements

• At least 5 years of software engineering experience, including building and operating production backend systems.
• Strong experience with distributed systems, API design, databases, asynchronous processing, and service-oriented architecture.
• Demonstrated experience designing shared services, libraries, or frameworks adopted by multiple engineering teams.
• Strong programming skills in TypeScript, Python, Go, or similar backend languages.
• Ownership, autonomy, and good judgment in a fast-moving startup.
• Willingness to work onsite in San Francisco five days a week.

Nice To Haves

• A history of delivering complex SaaS projects while working in high-growth startups.
• A passion for clean, maintainable code, thoughtful software design, and sound engineering practices.
• Experience with security-sensitive systems, including authorization, tenant isolation, and data exposure.
• Experience building internal developer platforms, SDKs, or developer tooling.
• Experience with AI infrastructure, agent execution, or workflow orchestration.

Responsibilities

• Design, build, and maintain scalable backend systems, shared services, and internal APIs.
• Develop common frameworks and abstractions for authentication, authorization, multi-tenancy, asynchronous jobs, and service communication.
• Improve the architecture, reliability, performance, and maintainability of core systems.
• Collaborate with product, AI, and infrastructure engineers to identify and solve shared engineering challenges.

Benefits

• Meaningful equity in Pi.Security.
• Medical, dental, and vision coverage for the employee and family, starting the first day of the month after joining.
• Flexible Spending Accounts (FSAs) for health and dependent care.
• Commuter benefits.
• Unlimited PTO.
• 401(k).
• $100 per month health and wellness stipend.
• $30 per day lunch allowance on in-office days.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed