Senior Software Engineer, Full Stack

Sift Stack, Inc.•Marina del Rey, CA

16d•$180,000 - $230,000•Hybrid

About The Position

Sift is hiring a Senior Software Engineer to build and maintain full-stack features across its web application and data-processing backend for complex telemetry data. The role includes creating intuitive interfaces for exploring large, real-time datasets and implementing efficient APIs and data-access patterns for real-time data streaming. The engineer will collaborate with data-platform and frontend teams on service design and implementation, write clean, maintainable code, and participate in technical design discussions. Sift is an early-stage data infrastructure platform for hardware engineering teams. Its product turns high-frequency telemetry into engineering insights for mission-critical systems, including rockets, satellites, autonomous vehicles, energy systems, and defense platforms. The company collaborates in person twice a week on Mondays and Thursdays and gathers for a full week every two months. Its headquarters is in Marina Del Rey, California; relocation to Los Angeles or working from its San Francisco office may be possible for the right candidate. The salary range is $180,000–$230,000 per year, plus equity and benefits. Applicants must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee, in compliance with ITAR/EAR regulations.

Requirements

At least 8 years of professional experience in full-stack software development.
Experience building production applications with technologies such as React, NextJS, TypeScript, Go, Rust, and Python.
Familiarity with relational and non-relational databases, such as PostgreSQL, Druid, Pinot, Timescale, or similar.
Strong problem-solving skills and attention to detail.
Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee, in compliance with ITAR/EAR regulations.

Nice To Haves

Experience with technical visualization tools such as WebGL, D3.js, or 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, such as dashboards or data-editing environments.
Built and launched side projects with consistent usage traffic.

Responsibilities

Build and maintain full-stack features across the web application and data-processing backend for complex telemetry data.
Create intuitive user interfaces for data exploration, optimized for large real-time datasets.
Implement efficient APIs and data-access patterns for real-time data streaming.
Collaborate with data-platform and frontend teams on service design and implementation.
Write clean, maintainable code and participate in technical design discussions.