Software Engineer, Full Stack

Join to apply for the Software Engineer, Full Stack role at SiftJoin to apply for the Software Engineer, Full Stack role at SiftAt 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 SpaceX on Dragon, Falcon, Starlink, and Starship—where scaling telemetry, debugging flight systems, and ensuring mission reliability demanded new infrastructure. Founded by a team from SpaceX, Google, and Palantir, Sift is built for mission-critical systems where precision and scalability are non-negotiable.As an early engineer at Sift, you won’t just write code—you’ll help define the architecture, shape the product, and influence the culture of a company focused on solving real engineering problems. If you’re looking for complex technical challenges and the opportunity to build foundational systems supporting complex machines from the ground up, we want to hear from you.In This Role, You'llBuild and maintain full stack features across our web application and data processing backend for complex telemetry dataCreate intuitive user interfaces for data exploration while optimizing for large real-time datasetsImplement efficient APIs and data access patterns for real-time data streamingCollaborate with data platform and frontend teams on service design and implementationWrite clean, maintainable code and participate in technical design discussionsThe Skillset You'll Bring3+ years of professional experience in full-stack software developmentExperience building production applications with technologies like React, NextJS, TypeScript, Go, Rust, and PythonFamiliarity with relational and non-relational databases, e.g. PostgreSQL, Druid, Pinot, Timescale, or similarStrong problem-solving skills and attention to detailBonus PointsExperience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series dataKnowledge of WebAssembly and browser-based computationBackground in scientific computing or technical data visualizationExperience building tools for technical users (dashboards, data-editing environments)Built and launched side projects with consistent usage trafficEngineering At SiftYou'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: ECharts, Go, gRPC, PostgreSQL, Protobuf, Radix, React, Redux, and TypeScriptData: Arrow, DataFusion, Flink, Parquet, and RustInfrastructure: Argo CD, AWS, Docker, GitHub Actions, Grafana, Kubernetes, Kustomize, Linux, Prometheus, and TerragruntLocation:The Sift team is based in El Segundo. We collaborate in person two times per week, Monday and Thursday. We work closely with hardware companies, many of which are based in LA, building everything from autonomous vehicles to spacecraft. As a customer-centric company, being nearby for site visits and collaboration is essential. Sift is open to relocating you to LA.Salary range: $150,000 - $200,000 per year. Plus equity and benefits.EligibilityUS Person Required: Must be a U.S. Citizen or Green Card Holder due to ITAR (International Traffic in Arms Regulations) / EAR (Export Administration Regulations) compliance requirements.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesSoftware DevelopmentReferrals increase your chances of interviewing at Sift by 2xSign in to set job alerts for “Software Engineer” roles.Software Engineer, AI Intern (Summer 2025)Software Engineer, AI Intern (Fall 2025)San Francisco, CA $40,000.00-$70,000.00 3 days agoMountain View, CA $125,400.00-$188,100.00 3 days agoSoftware Engineer, AI Platform - New GradSan Francisco, CA $220,000.00-$350,000.00 5 days agoSan Jose, CA $130,000.00-$180,000.00 4 days agoSoftware Engineer (L4), Content & Business ProductsSan Francisco, CA $150,000.00-$283,000.00 3 days agoSan Francisco, CA $150,000.00-$230,000.00 2 months agoPalo Alto, CA $140,000.00-$185,000.00 2 weeks agoSan Francisco, CA $176,000.00-$250,000.00 2 weeks agoSoftware Engineer, Frontend (All Levels)San Francisco, CA $150,000.00-$220,000.00 5 days agoSan Francisco, CA $105,600.00-$198,000.00 3 days agoSan Francisco, CA $56.25-$173,000.00 1 day agoFull Stack Software Engineer - Post-trainingPalo Alto, CA $180,000.00-$440,000.00 2 weeks ago(General Hire) Software Engineer Graduate (Advertisement Team) - 2025 Start (BS/MS)San Jose, CA $113,500.00-$250,000.00 5 days agoFull Stack Software Engineer (L4), Product Localization EngineeringSan Francisco, CA $125,000.00-$175,000.00 2 weeks agoNew Grads 2025 - Software Engineer, AlgorithmSan Jose, CA $120,000.00-$165,000.00 9 months agoAlameda, CA $130,000.00-$160,000.00 1 week agoWe’re unlocking community knowledge in a new way. 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