Senior Software Engineer, Frontend
- Salary
- $180K - $230K
- Level
- Senior
- Work type
- Hybrid · San Francisco
Not stated in the posting: visa.
Open. First seen 9 September 2026.
About the role
Sift Stack's standard text
About Sift
Sift is the data infrastructure platform for hardware engineering teams. Sift turns high-frequency telemetry into engineering insights for mission-critical systems. Teams use Sift to build and operate rockets, satellites, autonomous vehicles, energy systems, defense platforms, and more.
Founded by former SpaceX engineers who built the tools behind Dragon and Starlink, Sift is building the data infrastructure to herald the AI era for physical systems.
In This Role, You'll:
- 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
The Skillset You'll Bring:
- 5+ years of professional experience building web applications and data-driven tools
- Strong experience building production applications with technologies like React, NextJS, and TypeScript
- Strong understanding of web performance optimization and browser rendering
- Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems
Bonus Points:
- Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data
- Knowledge of WebAssembly 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
Engineering At SIFT:
Sift Stack's standard text
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, TypeScript, Redux, Tailwind, WebAssembly, D3.js, WebGL, and Go
- Data: Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, and Druid
- Infrastructure: GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, and Terraform
Location:
Sift’s headquarters is in Marina Del Rey, CA (Next to LAX). We collaborate in person twice a week—on Mondays and Thursdays—and come together for a full week every two months. We are open to relocating candidates to LA or working from our San Francisco office for the right candidate.
Salary range: $180,000 - $230,000 per year. Plus equity and benefits.
Eligibility:
U.S. Person Required: Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee in compliance with ITAR (International Traffic in Arms Regulations) / EAR (Export Administration Regulations) regulations.
What this role asks for
Standard for frontend roles
CSS · JavaScript
Common in frontend postings at any company.
In most of Sift Stack's ads
AWS · CI/CD · Docker · Flink · GitHub · Golang · Kafka · Kubernetes
Named in most of its open postings, whatever the role.
76% of this description is written for the role. The rest is Sift Stack's standard text, folded away below.
Read against Sift Stack's other open postings on this site.
The team: Product Engineering HIRES STEADILY
This role is one of 13 open in Product Engineering. 5 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
AWS (13 of 13), CI/CD (13 of 13), Docker (13 of 13), Flink (13 of 13), GitHub (13 of 13), Golang (13 of 13), JavaScript (13 of 13)
OTHER ROLES ON THIS TEAM
- Staff Frontend Engineer, Systems posted Oct 14
- Software Engineer, Full Stack posted Oct 9
- Senior Software Engineer, Full Stack posted Oct 9
- Software Engineer, Full Stack posted Oct 9
- Senior Software Engineer, Full Stack posted Oct 9
- Senior Software Engineer, Frontend posted Aug 4
- Software Engineer, Frontend posted Aug 4
- Software Engineer, Frontend posted Aug 4
- Software Engineer, Frontend (Agentic AI) posted Jul 27
- Software Engineer, Frontend (Agentic AI) posted Jul 27
- Senior Software Engineer, Frontend (Agentic AI) posted Jul 27
- Senior Software Engineer, Frontend (Agentic AI) posted Jul 27
From the team and dates on Sift Stack's own job board.
Salary context
16 other open postings titled Senior Software Engineer, Frontend state a salary: median USD 180,000 to USD 240,000 a year.
See Software Engineer salaries in San Francisco →
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