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30 software engineering evaluator jobs at 23 companies in Mission Viejo, CA

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Senior Software Engineer, Legal — CoCounsel Forward Deployed Engineering 
Frisco or New York City or Toronto or Ann Arbor or Eagan or San Francisco or Los Angeles or Irvine or McLean or Washington
$95k-$176k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEJD or formal legal training (or equivalent experience),5+ years software engineering,proficiency in Python,AI/LLM evaluation and prompt engineering,ability to engage legal users and mentor engineers,experience delivering production-grade SaaS solutions.
Python
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3w
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Application Software Engineer, Applied AI
Bastrop or Cape Canaveral or Hawthorne or McGregor or Redmond or Brownsville or Vandenberg
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEDesign, evaluate, deploy, and integrate AI systems including LLMs; 1+ years full-stack experience; bachelor's in CS/engineering/math or 2+ years professional software experience; strong software engineering and AI production experience.
Python, C#.NET, Go, Scala, Java, Docker, Kubernetes, Kafka, Angular, React, PostgreSQL, SQL Server, LLM
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3w
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Senior Software Engineer
Santa Ana, California, United States
$129k-$172k/yr RemoteFull Time
First American
First AmericanNYSE: FAF: Provides title insurance and settlement services for real estate.
5+ YOERequires 5+ years building production software, LLM feature deployment, agentic systems, backend services and APIs, cloud-native infrastructure, distributed systems, evaluation frameworks, and mentoring experience.
Cursor, Claude Code, GitHub Copilot
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Core-Platform Software Engineer
Carlsbad or Tempe or Englewood or Seattle
$141k-$222k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
5+ YOEBachelor’s or Master’s in CS/CE; 5+ years embedded software in C/C++/Rust/Go/Bash/Python; OO design; CI/CD; DevOps; software quality; architecture evaluation; testing.
C, C++, Rust, Go, Bash, Python, Linux, CI/CD, GitHub Actions, Artifactory, Vault
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Software Engineer, Applied AI
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$150k-$170k/yr HybridFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
2+ YOEBS/MS in a technical field, 2+ years of software development, strong Python, production systems, AI/ML integration, model evaluation, and familiarity with APIs, distributed systems, containers, CI/CD, observability, and edge deployment.
Python, APIs, CI/CD, GPU
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Software Engineer, Agent Platform
Washington or Costa Mesa
$220k-$292k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Strong backend engineering experience building production platforms; deep expertise in LLM agent framework design and evaluation; familiarity with model post-training workflows (SFT, RL); emphasis on reliability and partnering with ML/product teams.
Lattice OS, Langchain, Deepagents, Claude SDK, Kubernetes, Docker
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Sr Principal Software Engineer - Thread Lead
San Diego or El Segundo or Oklahoma City
$116k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
4+ YOESTEM degree with 4–8+ years engineering experience (varies by degree), Top Secret clearance (recent CI or Continuous Evaluation), SAP/PAR eligibility, technical project leadership, data acquisition/architecture and cross-functional collaboration experience.
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AI Engineering Lead
Los Angeles, California, United States
$225k-$250k/yr HybridFull Time
SKIMS
SKIMS: Designs and sells intimate apparel and loungewear.
8+ YOE8+ years software engineering experience, strong Python skills, experience leading enterprise AI initiatives, LLM fundamentals, AWS Bedrock, Anthropic Claude, multi-agent frameworks, model evaluation, governance, and stakeholder influence.
Python, AWS Bedrock, Anthropic Claude, Claude Code, Langfuse, LangGraph, LangChain, MCP, Snowflake, Oracle
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Software Engineer (C++ and TS Clearance)
Woodland Hills or Los Angeles
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEBachelor's in STEM +2 years (or Master's with 0 years), active Top Secret clearance enrolled in Continuous Evaluation, C/C++ experience, CI/CD and Git experience, onsite full-time, ability to meet security screening.
C, C++, CI/CD, Git, Docker, Kubernetes, Linux, CUDA, MLOps, DevSecOps, Agile, Scrum
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Senior Robotics Software Engineer, Simulation & Evaluation
Irvine, California, United States
$155k-$180k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
3+ YOE3+ years developing robotics simulation tools or related robotics software; strong C++ and/or Python skills; experience with Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, or custom simulators; familiarity with ROS2, URDF/SDF, and debugging simulator-to-robot gaps.
C++, Python, Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, ROS2, URDF, SDF, Omniverse, USD, PhysX, Docker, CMake, Bazel, GitHub Actions
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AI Evaluation Engineer
Bucharest or Boulder or Boston or Chicago or Glendora or Richmond or London or Auckland
lei16k-lei19k/mo HybridFull Time
Yes Energy
Yes Energy: Provides real-time electric power market data and trading analytics.
5+ YOEBachelor's in CS/Data/Math, 5+ years software engineering with focus on testing/evaluation or AI/ML tooling, strong Python, experience building evaluation pipelines and LLM eval concepts, familiarity with RAG and production data pipelines.
RAGAS, LangSmith, PromptFlow, Snowflake, Python, RAG
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AI Engineer, Agents and Evaluation
Torrance, California, United States
OnsiteFull Time
Pronoia Energy
Pronoia Energy: Developing room-temperature macroscopic quantum energy storage technology.
Proven production experience shipping agent or tool-use systems, experience self-hosting open-weights models on GPUs, strong orchestration/serving/evaluation skills, and habit of treating hallucination as engineering problem.
vLLM, TGI
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Staff Machine Learning Engineer, Causal Inference
San Francisco or Sunnyvale or Los Angeles or Seattle or New York City
$204k-$299k/yr OnsiteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
Deep causal inference, econometrics, experimentation, or causal ML experience; production ML engineering; rigorous model evaluation; and ability to collaborate across engineering, analytics, product, and business teams.
ML, CUPED, Covey, Covey Scout for Inbound
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Staff Machine Learning Engineer, Causal Inference
San Francisco or Sunnyvale or Los Angeles or Seattle or New York City
$204k-$299k/yr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Local food delivery and on-demand logistics platform.
Requires practical causal inference, econometrics, experimentation, production ML engineering, reliable pipeline and model development, rigorous evaluation, and cross-functional product judgment.
Machine Learning (ML), CUPED, contextual bandits, off-policy evaluation, Covey Scout for Inbound
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Integration | Test and Evaluation Specialist (Senior)
El Segundo, California, United States
$95k-$120k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
10+ YOE10+ years T&E and integration experience, active DoD Secret clearance, US citizenship, bachelor’s degree in math/engineering/business/sciences, knowledge of software testing lifecycles and quantitative test analysis.
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2w
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Staff AI Platform Engineer
San Francisco or Los Angeles or Denver or Austin or Chicago or New York or Seattle or Toronto or Santa Barbara or San Diego
$180k-$273k/yr RemoteFull Time
Invoca
Invoca: AI platform for conversation intelligence and revenue execution.
7+ YOERequires 7+ years in AI/ML platform engineering, strong Python and/or TypeScript, distributed systems, APIs, evaluation, observability, and AI infrastructure experience; bachelor's degree or equivalent practical experience.
Python, TypeScript, JavaScript, React, Kubernetes, Docker, Terraform, LangChain, LangGraph, LlamaIndex, LiveKit, REST, gRPC, MCP, A2A
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Machine Learning Engineer - Ads Core and Commerce Ads
San Jose or Los Angeles County
$137k-$360k/yr OnsiteFull Time
TikTok USDS Joint Venture
TikTok USDS Joint Venture: Operates and secures TikTok services for U.S. users.
5+ YOERequires SQL and Python, data manipulation, Hadoop or Spark, distributed computing, machine learning, deep learning, feature engineering, model evaluation, optimization, and 5+ years of relevant experience preferred.
SQL, Python, Hadoop, Spark
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Senior Backend Engineer - Music Monetization & DRM
Stockholm or London or New York City or Los Angeles or Berlin or Paris or Oslo or Seoul
HybridFull Time
Epidemic Sound
Epidemic Sound: Provides royalty-free music and sound effects for content creators.
Backend development experience, preferably Go; SQL and large-scale data processing; algorithm evaluation; Google Cloud; microservices; Kubernetes, Helm, and Terraform; strong written and verbal English.
Go, SQL, Google Cloud Platform, Kubernetes, Helm, Terraform, Kotlin, Java, Python, TypeScript, React
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Senior Machine Learning Engineer
El Segundo, California, United States
$150k-$220k/yr HybridFull Time
Circadia Health
Circadia Health: Develops contactless monitoring devices for continuous patient vitals tracking.
5+ YOE5+ years building production ML models for real decisions; strong Python, SQL, deep learning, classical ML, time-series data, evaluation, backtesting, and model regression infrastructure experience.
Python, SQL, EHR
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Sr. AI Agent / Prompt Engineer
Irvine, California, United States
HybridFull Time
Hyundai Capital
Hyundai Capital: Provides automotive financing and leasing for Hyundai Motor Group.
8+ YOEDesign and deploy production AI agents using LLMs, build prompt systems and tool orchestration, evaluate agent behavior, integrate with enterprise systems; strong Python and agent-framework experience required.
Python, LangChain, LangGraph
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