59 software engineer operating systems jobs at 27 companies in Lancaster, CA
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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
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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
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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
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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
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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
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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
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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
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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)
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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
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
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Staff II Software Engineer AI/ML Ops
Pleasanton or New York City or Los Angeles
$245k-$307k/yr HybridFull Time
Extensive experience building and operating ML/AI production systems, designing scalable data pipelines, distributed training, model deployment, CI/CD, observability, and cloud infrastructure.
PySpark, FiveTran, Plaid, PyTorch, TensorFlow, scikit-learn, Airflow, Kubeflow, Vertex AI, MLflow, W&B, LangChain, LangGraph, ADK, Prometheus, Grafana, Newrelic, Docker, Kubernetes, Python, Java, Scala, GCP, AWS, Azure, Bash, Apache Airflow
1d
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Founding Product Engineer - Clinical Systems
Los Angeles or Van Nuys
OnsiteFull Time
Product engineer able to ship production software across the stack, own architecture and reliability, work independently on ambiguous problems, and collaborate directly with clinical and operating teams.
AI, CI/CD
2w
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Software Engineering Manager
Durham or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv or Europe or United States or Israel
HybridFull Time
8+ YOE2+ MgmtRequires 8+ years of software development, 2+ years of direct engineering people management, full-stack and distributed systems expertise, API design, cloud infrastructure, Agile, CI/CD, and operational metrics experience.
TypeScript, React, Java, Kotlin, Go, Python, C++, AWS, GCP, CI/CD, Agile, SLA, SLO
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Protection Engineer
Rosemead, California, United States
HybridFull Time
5+ YOEBachelor's degree in engineering or a scientific/math field, 5+ years engineering experience in operations/production/construction/maintenance, Class C driver, experience in power system protection, relay settings, fault analysis, and protection software.
ASPEN, CAPE, ETAP, CYME
4d
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Senior Backend Engineer, Experimentation
United States or 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
$163k-$264k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
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Forward Deployed Engineer
Monterey Park or Orange County or Las Vegas
$100k-$130k/yr HybridFull Time
1+ YOEBuild and deploy production AI systems, work with clinical/claims/operational data, collaborate with clinical and operations teams; 1+ years software/ML/engineering experience; preferred technical degrees.
LLMs, RAG, agents
5d
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Principal Machine Learning Engineer - League of Legends
Los Angeles, California, United States
$292k-$438k/yr OnsiteFull Time
10+ YOEBachelor's degree or equivalent practical experience; 10+ years software engineering experience, including 5+ years building production ML platforms, systems, or MLOps capabilities; expertise in scalable ML operations and cloud-native systems.
Kubernetes, GPU scheduling, container orchestration, MLOps, API, cryptography
2mo
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AI Solutions Developer – Insurance Operations & Systems Integration
Los Angeles, California, United States
$100k-$150k/yr OnsiteFull Time
Develop AI-driven software for insurance operations; build internal tools, dashboards, API integrations; experience with AI-assisted development, web apps, SQL, and cloud/SaaS.
Python, JavaScript, Node.js, React, SQL, APIs, Cloud platforms
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