23 systems software engineer jobs at 10 companies in Windsor, CA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
San Francisco or Alameda County or Contra Costa County or Marin County or Napa County or San Mateo County or Santa Clara County or Solano County or Sonoma County
$160k-$180k/yrOnsiteFull Time
Discord: A platform providing voice, video, and text communication services.
2+ YOE2+ years building backend systems, experience with distributed systems, operating/maintaining critical tier 0 services, knowledge of monitoring and alerting, familiarity with open source and cloud environments.
Software Engineer – Battery Systems & Platforms (all genders)
Alzenau or Obernburg or Athens or Petaluma
HybridFull Time
CMBlu Energy: Developing organic solid-flow batteries for large-scale energy storage.
Experience in software development (Linux environment), knowledge of Rust or C/C++, interest in software for technical systems, structured team player with motivation to learn and grow.
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
2+ YOEBachelor's degree and 2+ years related experience; systems engineering across electrical, mechanical, physics, algorithms and software; ability to create specifications, perform integration and testing.
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
2+ YOEBachelor's in related field, 2+ years experience, proficiency in C/C++, .Net, C#, Python and operating systems; strong software engineering, debugging, and communication skills.
Eames Institute of Infinite Curiosity: Operates design museums, archives, and educational programs.
Advanced full-stack engineering expertise, strong frontend focus, systems thinking, accessibility and performance optimization, independent problem solving, and excellent communication for cross-functional collaboration.
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
BS or MS in CS/CE/EE; building, testing, debugging software; team collaboration across geographies; analytical/problem solving; OO concepts; C++; Git/TFS; embedded systems.
Expert Software Engineer — Rapid System Prototyping & Integration
Santa Rosa or Santa Clara
$143k-$238k/yrOnsiteFull Time
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
8+ YOEBS/MS/PhD in CS/EE/CE; 8+ years in system integration and software/firmware for high-speed data streaming; proficient in modern C++ and embedded Linux; strong problem-solving and collaboration.
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yrOnsiteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Cloud ChamberNASDAQ: TTWO: Developer of the upcoming BioShock video game.
5+ YOE5+ years programming with Unreal Engine, expert in C/C++, experience on shipped AAA titles, strong low-level engine and multiprocessor programming skills, ability to design and optimize core engine systems.
Cloud ChamberNASDAQ: TTWO: Develops immersive narrative-driven video games including the BioShock series.
5+ YOE5+ years programming with Unreal Engine, expert in C/C++, experience on shipped AAA titles, multiprocessor and multi-platform experience, engine/core systems and performance optimization skills.
Buck Institute for Research on Aging: Conducts biomedical research to extend the healthy human lifespan.
Master's degree or equivalent experience; strong Python skills; deep experience with large language models, agentic AI, RAG/vector systems, AI APIs, and modern software engineering; experience with harmonizing and modeling large biomedical/omics datasets.
Python, Docker, APIs, cloud platforms, vector databases, embeddings, retrieval-augmented generation (RAG), Large Language Models (LLMs), LLM-based developer tools, AI agent frameworks, vector search