Software Engineer (Front-End)

Recruiting From Scratch•San Francisco, CA

2d•Onsite

About The Position

As a Software Engineer (Front-End), you'll build beautiful, highly polished customer-facing product experiences across Petra's security platform while working directly with the founders and a small, elite engineering team. You'll own major product initiatives from concept through production, helping define both the product experience and technical architecture. This is an exceptional opportunity to join one of the fastest-growing cybersecurity startups where engineers have enormous ownership, collaborate closely with leadership, and build products that directly protect businesses from modern cyber threats.

Requirements

3–10 years of software engineering experience with a frontend focus
Experience building and shipping customer-facing software used in production
Experience working at product-focused startups or high-growth technology companies
Experience owning features end-to-end from design through production
Startup experience with significant ownership and execution responsibility
Experience building products with measurable customer impact
Experience working in fast-moving, ambiguous environments
Strong proficiency with React, TypeScript, and modern frontend engineering
Strong understanding of frontend architecture, component design, and performance optimization
Experience building visually polished, production-grade user interfaces
Experience with NestJS, Node.js, or modern backend development
Strong engineering fundamentals across software architecture, scalability, and maintainability
Experience building customer-facing SaaS products
Strong understanding of APIs and frontend/backend integration
Ability to work across frontend, backend, and product engineering when needed

Nice To Haves

Experience shipping AI-powered or ML-enabled product features preferred
Experience integrating AI-powered features or modern AI tooling preferred
Portfolio, GitHub, or shipped products demonstrating exceptional design quality strongly preferred
Bachelor's degree in Computer Science or another technical discipline from a top engineering program preferred
Top-30 Computer Science university preferred
Strong design-focused candidates with exceptional engineering ability also considered

Responsibilities

Build and own customer-facing product features across Petra's cybersecurity platform
Develop polished, high-performance frontend experiences using React, TypeScript, and modern web technologies
Design intuitive user interfaces that simplify complex security workflows for enterprise customers
Partner closely with customers to understand workflows and rapidly translate feedback into product improvements
Build scalable frontend architecture supporting rapid company growth
Collaborate with backend engineers using NestJS, Node.js, and Python to deliver end-to-end product experiences
Architect reusable frontend components and maintain high engineering quality across the product
Help build new AI-powered security products leveraging Petra's proprietary data platform
Improve application performance, reliability, accessibility, and overall user experience
Contribute to product direction, technical architecture, and engineering best practices
Ship high-quality software rapidly while balancing speed, scalability, and maintainability
Work directly with founders on product strategy and engineering decisions