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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.\nFounded 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.\nIn This Role, You'll:\nBuild high-performance data visualization interfaces and reusable component libraries for complex telemetry data\n\nCreate intuitive user interfaces for data exploration while optimizing for large real-time datasets\n\nCollaborate with backend teams on API design and implementation for seamless user experiences\n\nWrite clean, maintainable code and participate in technical design discussions\n\nThe Skillset You'll Bring:\n3+ years of professional experience building web applications and data-driven tools\n\nStrong experience building production applications with technologies like React, NextJS, and TypeScript\n\nStrong understanding of web performance optimization and browser rendering\n\nExperience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems\n\nBonus Points:\nExperience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data\n\nKnowledge of WebAssembly and browser-based computation\n\nBackground in scientific computing or technical data visualization\n\nExperience building tools for technical users (dashboards, data-editing environments)\n\nBuilt and launched side projects with consistent usage traffic\n\nEngineering At SIFT:\nYou'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:\nWeb frontend & backend: React, TypeScript, Redux, Tailwind, WebAssembly, D3.js, WebGL, and Go\n\nData: Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, and Druid\n\nInfrastructure: GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, and Terraform\n\nLocation:\nSift’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.\nSalary range: $160,000 - $200,000 per year. 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