Senior Software Engineer, Frontend

Sift Stack, Inc. is revolutionizing the way modern machines are built, tested, and operated through their innovative platform that provides real-time observability over high-frequency telemetry. Born from the founders' experience at SpaceX working on critical projects like Dragon, Falcon, Starlink, and Starship, Sift is designed for mission-critical systems where precision and scalability are essential.

As a Senior Frontend Engineer at Sift, you'll be at the forefront of building sophisticated data visualization interfaces and reusable component libraries for complex telemetry data. The role demands expertise in React, TypeScript, and modern web technologies, with a focus on creating high-performance, intuitive user interfaces for real-time data exploration.

The position offers an exciting opportunity to join an early-stage company where you'll not only write code but also help shape the architecture, product direction, and company culture. You'll be working with cutting-edge technologies including React, TypeScript, WebAssembly, and various data visualization tools like D3.js and WebGL.

The team operates on a hybrid model, with in-person collaboration twice weekly in El Segundo, CA. They work closely with LA's leading hardware companies, from autonomous vehicle manufacturers to spacecraft builders. The compensation package is competitive, ranging from $170,000 to $220,000 annually, plus equity and benefits.

This role is perfect for experienced frontend engineers who are passionate about technical challenges and want to build foundational systems supporting complex machines. The position requires 5+ years of professional experience and strong expertise in modern web technologies. Due to ITAR/EAR compliance requirements, candidates must be U.S. Citizens or Green Card holders.

Working at Sift means being part of a team that's tackling real engineering problems, with access to modern tools and technologies across the stack. The company's infrastructure includes advanced web technologies, sophisticated data processing systems, and robust cloud platforms, providing an excellent environment for professional growth and technical innovation.