Senior Software Engineer, Frontend

Join to apply for the Senior Software Engineer, Frontend role at Sift

At Sift, we’re redefining how modern machines are built, tested, and operated. Our platform gives engineers real-time observability over high-frequency telemetry—eliminating bottlenecks and enabling faster, more reliable development. Sift was born from our work at Space

X on Dragon, Falcon, Starlink, and Starship, and was founded by a team from Space

X, Google, and Palantir. Sift is built for mission-critical systems where precision and scalability are non-negotiable.

• Build high-performance data visualization interfaces and reusable component libraries for complex telemetry data
• Create intuitive user interfaces for data exploration while optimizing for large real-time datasets
• Collaborate with backend teams on API design and implementation for seamless user experiences
• Write clean, maintainable code and participate in technical design discussions

• 5+ years of professional experience building web applications and data-driven tools
• Strong experience building production applications with technologies like React, NextJS, and Type Script
• Strong understanding of web performance optimization and browser rendering
• Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems

• Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data
• Knowledge of Web Assembly and browser-based computation
• Background in scientific computing or technical data visualization
• Experience building tools for technical users (dashboards, data-editing environments)
• Built and launched side projects with consistent usage traffic

You ll have the opportunity to help evolve and scale our platform because we re still in the early stages of building the product. Relevant technologies include:

• Web frontend & backend:
  React, Type Script, Redux, Tailwind, Web Assembly, D3.js, WebGL, and Go
• Data:
  Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, Quest
  
  DB, Influx
  
  DB, and Druid
• Infrastructure:
  Git Hub Actions, AWS, Azure, GCP, Docker, Kubernetes, and Terraform

Sift’s headquarters is in El Segundo, CA. We collaborate in person twice a week—on Mondays and Thursdays—and come together for a full week every two months. While we prefer team members to be local, we’re open to relocating candidates to LA or remote work from the San Francisco area for the right candidate.

Salary range: $170,000 - $220,000 per year. Plus equity and benefits.

US Person

Required:

Must be a U.S. Citizen or Green Card Holder due to ITAR/EAR compliance requirements.

• Mid-Senior level

• Full-time

• Engineering and Information Technology
• Software Development

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