Platform Backend Engineer — Onsite SF, Equity & PTO

Pi Security; San Francisco (CA); On-site; USD 168,000 - 235,000; Full time

Benefits offered by this job

Meaningful equity

Medical, dental, and vision coverage

FSAs for health and dependent care

Commuter benefits

Unlimited PTO

401(k)

Health & wellness stipend

Lunch allowance

Job summary

Pi.Security in San Francisco seeks a Platform SWE to design, develop, and scale the core platform powering our AI-native cybersecurity solutions. You will build shared services, frameworks, and abstractions enabling rapid, reliable software delivery.

This role requires hands-on work in our SF office, five days a week, alongside the founding team. We value ownership, curiosity, and bold thinking as we push security forward.

Qualifications

• 5+ years of software engineering experience 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.

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 our core systems.
• Collaborate with product, AI, and infrastructure engineers to identify and solve shared engineering challenges.

Skills

Backend systems

Distributed systems

API design

Databases

Asynchronous processing

SOA design

TypeScript

Python

Go

Job description

Pi.Security in San Francisco seeks a Platform SWE to design, develop, and scale the core platform powering our AI-native cybersecurity solutions. You will build shared services, frameworks, and abstractions enabling rapid, reliable software delivery.

This role requires hands-on work in our SF office, five days a week, alongside the founding team. We value ownership, curiosity, and bold thinking as we push security forward.