84 software engineer operating systems jobs at 43 companies in San Fernando, CA
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Systems Process Engineer
El Segundo, California, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years systems engineering experience on national security space programs, 3+ years systems integration or software deployment experience, Secret clearance, Bachelor's in engineering/math/CS/physics required.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Atlassian Jira, Atlassian Confluence
1mo
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Senior Software Engineer
San Francisco or New York City or Los Angeles or Seattle or United Kingdom or Ireland or Poland or Germany or Australia
$207k-$230k/yr HybridFull Time
5+ YOE5+ years software engineering experience building and operating scalable backend or full‑stack distributed systems; strong system design, production ownership, and mentoring; experience with Python, Elixir, or JavaScript preferred.
Python, Elixir, JavaScript
1mo
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Staff Software Engineer, Frameworks
Mountain View or Los Angeles or San Francisco
$210k-$250k/yr HybridFull Time
8+ YOE8+ years software engineering experience designing and operating secure, scalable authentication/authorization and distributed backend systems; experience with Kubernetes and cloud-native infrastructure; strong technical leadership and mentorship.
OAuth 2.0, OIDC, JWT, AWS Cognito, Python, FastAPI, Pydantic, PostgreSQL, Go, Kubernetes
1mo
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Software Engineer, Vehicle Operations (Starshield)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
Bachelor's in CS/engineering/physics, software development experience in C/C++/Python, Linux and systems knowledge, on-call operations and satellite anomaly triage, ability to obtain security clearance preferred.
C, C++, Python, Linux, RESTful APIs, gRPC
1mo
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Software Engineer, Backend (Agentic AI)
Marina Del Rey, California, United States
$200k-$250k/yr HybridFull Time
3+ YOE3+ years software engineering; backend APIs and distributed systems experience; experience with Go, Python, or Rust; Kubernetes and production operation; customer-facing product ownership.
Go, Python, Rust, REST, gRPC, ECharts, PostgreSQL, Protobuf, Radix, React, Redux, TypeScript, Arrow, DataFusion, Flink, Parquet, Argo CD, AWS, Docker, GitHub Actions, Grafana, Kubernetes, Kustomize, Linux, Prometheus, Terragrunt, Kafka, TimescaleDB
2mo
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Senior Reactor Systems Engineer
El Segundo, California, United States
$134k-$185k/yr OnsiteFull Time
4+ YOE4+ years engineering experience, expertise in hardware/software testing and operations, first-principles problem solving, background in regulated industries, ability to translate designs into DOE/NRC-compliant procedures, willing to work extended hours and travel 50–60%.
Python, UNIX
1mo
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Staff Software Engineer, Core Infrastructure
Bellevue or Seattle or San Francisco or Palo Alto or Los Angeles
$195k-$343k/yr OnsiteFull Time
9+ YOEBachelor's in CS/Engineering or equivalent; 9+ years software development experience (reduced with advanced degree); proven technical lead experience building and operating large-scale distributed backend systems; strong system design and leadership skills.
Go, Java, Python, C++, Kubernetes
1mo
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Principal Software Engineer - Developer Connections, Game Release
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
8+ YOE8+ years of software engineering experience, including shipping a live-operated game; deep game release lifecycle expertise; large-scale production systems, architecture, debugging, crisis response, and cross-team technical leadership.
4d
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Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
U.S. Person status, ability to obtain and maintain a U.S. security clearance, and backend/cloud engineering experience with scalable systems, infrastructure, reliability, and operations.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
2mo
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Staff Software Engineer, Platform Engineering
Santa Monica or Los Angeles
$229k-$343k/yr OnsiteFull Time
9+ YOE9+ years software development experience (or advanced degree with equivalent experience), background building and operating large-scale backend/distributed systems, on-call experience, system design, observability, mentoring, and familiarity with Temporal, BigQuery, Kubernetes, and backend languages.
Java, Go, Python, C++, Temporal, BigQuery, Kubernetes, CI/CD, JIRA, SQL
2mo
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Sr. Software Engineer - B2B- AXS
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
4+ YOE4+ years professional software experience, strong C#/.NET or Java background, experience building and operating distributed systems, cloud (AWS) experience, relational DB knowledge, bachelor’s degree or equivalent, mentoring and strong communication skills.
C#, .NET, .NET Core, Java, AWS, SQL Server, PostgreSQL, MySQL, Kafka, DynamoDB, Elasticsearch, Docker, Terraform, TDD/BDD
5d
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Principal Ground Software Engineer
Hawthorne, California, United States
$120k-$190k/yr OnsiteFull Time
10+ YOEBachelor's degree or equivalent experience, 10+ years developing ground systems software, technical direction experience, satellite operations experience, AWS and Kubernetes expertise, networking knowledge, and Python, C++, or Rust skills.
Amazon Web Services (AWS), Kubernetes, Python, C++, Rust, Linux, HSA, FSA, 401K, VPN
2mo
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Senior Avionics Systems Test Engineer, Operations
Long Beach, California, United States
$148k-$204k/yr OnsiteFull Time
5+ YOEBS/MS/PhD in EE/CE/CS/Aerospace, 5+ years integrated systems test experience, proficiency with Python or MATLAB, experience validating complex electrical and software systems, and test planning/verification skills.
Python, MATLAB, Zuken, NX, Teamcenter, Altium Designer, Ethernet, CAN, UART, SPI
2mo
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Senior / Staff Software Engineer, AI
Venice or United States
$170k-$260k/yr HybridFull Time
Experience building and operating backend or distributed systems; production AI/LLM systems experience; TypeScript required, Python preferred; strong SQL; familiarity with Docker/Kubernetes and enterprise security patterns.
TypeScript, Python, SQL, Docker, Kubernetes
1mo
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Spacecraft Data Systems Engineer - Blue Ring
Reston or Huntsville or Denver or Seattle or Los Angeles
$134k-$203k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEB.S. in computer science/engineering/IT/applied math, 8+ years spacecraft development and operations, experience with Command & Telemetry Databases and CCSDS, proficiency in Java/Python/JavaScript/C/C++, familiarity with flight software and C2 tools, ability to work with cross-functional teams; U.S. work authorization required.
CCSDS, Java, Python, JavaScript, C, C++, Command and Telemetry Database (CTDB), Command and Control (C2), Flight Software (FSW), Jira, GitLab, CI/CD pipelines, Defense Biometric Identification System (DBIDS)
2mo
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Senior Software Engineer, Fullstack
Playa Vista or United States
$160k-$190k/yr HybridFull Time
5+ YOE5+ years building and operating high-traffic customer-facing systems; strong CS fundamentals, OO and relational DB design; experience with eventing (Kafka, SNS, SQS), workflow (Temporal, Airflow), PHP/Magento, React/Next, AWS, and observability (New Relic, Datadog).
Kafka, SNS, SQS, Temporal, Airflow, DAGs, PHP, Magento, React, Next, AWS Lambda, S3, CloudWatch, New Relic, Datadog
2mo
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Staff Software Engineer, AI & Recommendations Platform
San Francisco or Los Angeles County or California or Massachusetts or United States
$195k-$240k/yr RemoteFull Time
5+ YOE5+ years building and operating production systems; strong backend, distributed systems, APIs, cloud-native architecture experience; Python proficiency; experience integrating ML/LLM models and recommendation systems.
Python, AWS, Kubernetes, Databricks, MLflow, Airflow, LLM
1mo
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Staff Vehicle Software Integration & Test Engineer
Palo Alto or Long Beach
$150k-$284k/yr HybridFull Time
3+ YOEBachelor's in engineering or equivalent experience, 3+ years in vehicle-level software validation or prototype operations, strong embedded systems knowledge, ECU flashing, CAN tool proficiency, valid driver's license, willingness to travel.
CANalyzer, CANape, CANoe, Intrepid CS tools, MATLAB, Python, Jira, Hardware-in-the-Loop (HIL)
6d
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Staff Software Engineer, Core Infrastructure
San Francisco or Ottawa or Charlotte or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Raleigh or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$145k-$275k/yr RemoteFull Time
10+ YOE10+ years building backend, distributed, or data-intensive systems; production Rust and strong Python; storage and database expertise; AWS, infrastructure as code, operational excellence, technical leadership, and mentoring.
Rust, Python, Apache Arrow, Parquet, DataFusion, Amazon S3, PostgreSQL, MySQL, AWS, AWS Lambda, Amazon ECS, Amazon Aurora, Terraform, delta-rs, Claude Code
2w
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Backend Software Engineer Graduate (TikTok - Privacy and Security - Product) - 2027 Start
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$128k-$256k/yr OnsiteFull Time
Bachelor's or master's degree in computer science, computer engineering, software engineering, or related field; backend programming fluency and strong data structures, algorithms, operating systems, networking, and database knowledge.
Go, Java, C++, Python, C