Staff Frontend Engineer, Systems
Sift Stack, Inc.29 days ago
Base Salary
$160k - $250k/yr
Responsibilities
- Design and optimize browser-based data pipelines using Web Workers, Apache Arrow binary data, persistent caching, and multi-layer invalidation.
- Build interactive, high-fidelity visualizations for time-series telemetry, FFT frequency analysis, geographic mapping, and scatter plots.
- Solve browser performance challenges involving React rendering, worker thread pools, large binary buffers, memory management, and main-thread architecture.
- Architect composable UI systems that preserve data fidelity and support technical users working with complex hardware telemetry.
- Collaborate with backend engineers on API design, binary serialization formats, and structured-data query semantics.
Requirements
- 7+ years of experience building software for the web, including experience with browser performance, binary data processing, GPU rendering, or multithreaded architectures.
- Strong TypeScript skills and experience working in a React codebase.
- Systems-level understanding of memory layout, thread coordination, caching strategies, and data serialization formats.
- Experience building software where correctness, data fidelity, and performance are critical.
- Preferred experience with WebGL, WebGPU, Canvas 2D optimization, D3, ECharts, or technical visualization at scale.
- Preferred hands-on experience with Arrow, Parquet, protobuf, FlatBuffers, columnar data processing, Web Workers, SharedArrayBuffer, or OPFS.
- Experience in aerospace, scientific computing, medical devices, financial systems, or other domains where data correctness is non-negotiable is a plus.
Benefits
- Salary range of $200,000-$250,000 per year, plus equity and benefits.
- Collaborates in person twice weekly on Mondays and Thursdays, with a full in-person week every two months.
- Open to relocating candidates to Los Angeles or working from the San Francisco office for the right candidate.
- Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee to comply with ITAR/EAR regulations.
Tech Stack
Apache BeamApache FlinkApache KafkaAWSAzureD3.jsDockerGitHub ActionsGoGoogle Cloud PlatformInfluxDBKubernetesReactReduxTailwind CSSTerraformTypeScript
Categories
About Sift Stack, Inc.
Sift Stack builds a data infrastructure and telemetry analysis platform for hardware engineering teams in aerospace, defense, autonomy, and energy. Its software ingests, stores, and analyzes high-frequency machine data to automate anomaly detection, accelerate testing, and support operations for rockets, satellites, autonomous vehicles, and other mission-critical systems. Founded in 2022 and privately held, Sift is headquartered in El Segundo, California, and was started by former SpaceX engineers.