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27 software engineering evaluator jobs at 18 companies in Simi Valley, 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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Software Quality Engineer/ Prin Software Quality Engineer
Palmdale or San Diego
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOETop Secret clearance, 2–5+ years software development or quality experience, knowledge of Agile/Waterfall/Spiral, experience with C,C++,Java,Python, process evaluation and metric reporting.
C, C++, Java, Python, Atlassian, Git, Confluence
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Software Quality Engineer/ Prin Software Quality Engineer
Palmdale or San Diego
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOETop-Secret clearance required; Bachelor's in CS/SE/STEM with 2+ yrs (or Master's) relevant software development/integration experience; knowledge of Agile/Waterfall/Spiral, C/C++, Java, Python, process evaluation and metrics collection.
C, C++, Java, Python, Atlassian, Git, Confluence
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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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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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Senior Machine Learning Engineer
San Francisco or Bellevue or Atlanta or Burbank
$159k-$296k/yr HybridFull Time
Warner Bros. Discovery
Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.
5+ YOE5+ years ML engineering experience, deep Python, Databricks and Snowflake proficiency, production ML deployment, ML evaluation and experimentation, strong software engineering and communication skills.
Databricks, PySpark, Delta, Workflows, DLT, Unity Catalog, Databricks Genie, Databricks Feature Store, Snowflake, Snowflake Cortex, AWS, SageMaker, S3, Lambda, MLflow, Mosaic, FreeWheel, Google Ad Manager, Cursor, GitHub Copilot, Amazon Q, MCP, LangChain, LangGraph, AutoGen, Python, SQL, Scala, XGBoost, LightGBM, Tecton, Feast
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Applied AI Engineer, Founding Team
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$63k-$219k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
5+ YOERequires 5+ years in software engineering, AI/ML, or enterprise technology; experience with retrieval systems, agentic AI, MCP, evaluation frameworks, and a bachelor's degree or equivalent.
Oracle 23ai, Model Context Protocol (MCP), Claude, Anthropic, Oracle EPM, Oracle ERP, Oracle Cloud Infrastructure (OCI)
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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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Senior Sales Engineer - Enterprise (Fluent Spanish Speaking)
Albuquerque or Austin or Dallas or Houston or Los Angeles or Phoenix or San Diego or Santa Fe or Scottsdale or Tucson or Toronto or San Francisco or New York City or Vancouver or Amsterdam or London or Paris or Singapore or Tokyo
$174k-$291k/yr RemoteFull Time
Amplitude
AmplitudeNasdaq: AMPL: Develops digital analytics software for tracking customer product behavior.
5+ YOE5+ years in software pre-sales required, fluent English and Spanish, hands-on SQL, enterprise technical evaluation experience, and ability to present technical concepts to engineers and business stakeholders.
Google Analytics 4, Adobe Analytics, Mixpanel, Python, SQL, R, Tableau, Looker, Power BI, APIs
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
Atria Health Institute
Atria Health Institute: Membership-based concierge practice providing preventive, precision-based medical care.
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
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Staff Agentic ML Engineer - Photoshop
San Jose or Waltham or San Francisco or Seattle or Los Angeles or New York City or California
$190k-$346k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
8+ YOEMaster's or PhD in CS/ML/Data Science, 8+ years ML experience, expertise in LLMs, fine-tuning (SFT, RLHF, DPO, PEFT/LoRA), agent system development, evaluation frameworks; proficiency with PyTorch and agentic frameworks; strong communication and problem-solving.
PyTorch, LangChain, LangGraph, MCP, A2A, Agent Development Kit (ADK), Claude Code, Codex, Cursor
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Senior Manager, Enterprise Data
El Segundo, California, United States
$171k-$233k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
7+ YOE7+ years software/data engineering experience with hands-on AI/ML; data platform architecture (Databricks, Snowflake), vendor evaluation for AI, RAG experience, security compliance (ITAR/EAR), technical leadership and hands-on coding.
Databricks, Fivetran, dbt, Snowflake, Airbyte, Looker, Tableau, Power BI, Databricks dashboards, ION-Ramp
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