237 llm engineer jobs at 138 companies in Downey, CA

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
2w
Save
Mark Applied
Hide
Engineer
Irvine, California, United States
$90k-$160k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years experience building AI/ML and data solutions in AWS using Databricks/Apache Spark, graph databases, backend services/APIs, and CI/CD; familiarity with LLM integrations and data governance.
AWS, Databricks, Apache Spark, Neptune, Java, Spring Boot, Node.js, CI/CD, LangGraph, AutoGen, CrewAI, OpenSearch, DynamoDB, ElastiCache (Redis), IAM, CloudWatch, LLM
1mo
Save
Mark Applied
Hide
AI Tooling Engineer
San Francisco or Seattle or Los Angeles or New York City or United Kingdom or Ireland or Poland or Germany or Australia or North America or Europe
$200k-$260k/yr RemoteFull Time
Whatnot
Whatnot: Social marketplace for buying and selling via live streams
4+ YOE4+ years industry experience, 1+ years applied AI/LLM product experience; strong fluency with prompt engineering, RAG, MCP, agents, evals; systems-integration experience with APIs/webhooks; strong communication and mentorship skills.
Anthropic, OpenAI, Google, APIs, webhooks, LLM, RAG, MCP, evals
2w
Save
Mark Applied
Hide
Principal Engineer – OCTO
Pasadena, California, United States
$325k-$425k/yr RemoteFull Time
Neilson Financial Services
Neilson Financial Services: Global provider of life insurance and protection products.
Proven software engineering and architecture experience with domain expertise in marketing/AdTech/Acquisition; hands-on AI/ML and LLM experience preferred; track record leading cross-team initiatives and building teams.
Agentic AI, LLMs
3w
Save
Mark Applied
Hide
Software Engineer, AI Native
Glendale, California, United States
$160k-$180k/yr HybridFull Time
Age of Learning
Age of Learning: Develops digital education programs for young children.
5+ YOE5+ years software engineering experience, 2+ years building with LLMs/AI coding assistants, experience shipping cross-platform mobile apps, familiarity with agentic workflows, strong communication and collaboration skills.
MCP, Svelte, SvelteKit, REST, gRPC, JavaScript, TypeScript, Flutter, Dart
2d
Save
Mark Applied
Hide
Principal Engineer
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Expertise in identity and access management, distributed systems, and AI/LLM integration; deep Python experience; cloud (AWS) and relational DB (PostgreSQL); strong communication and architecture ownership skills.
Python, FastAPI, PostgreSQL, AWS, Okta, Auth0, Entra ID/Azure AD, AWS Cognito, Anthropic, OpenAI, vector databases, SAML, OIDC, OAuth 2.0, RBAC/ABAC, MCP, LLMs
1mo
Save
Mark Applied
Hide
Senior Applied AI Engineer - Position Statements
New York City or Santa Monica or New York
HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
Experience building production applied ML/LLM systems, designing evals and experiments, proficiency with Python and backend production workflows, product-oriented execution, healthcare or complex operational domain experience preferred.
Python, LLM
1mo
Save
Mark Applied
Hide
Senior Engineer
Thousand Oaks or Juncos
$115k-$156k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
Technical SME for visual inspection and fill/finish drug product development; expertise in inspection platforms, AI/LLMs, data analysis, study design, regulatory documentation, and cross‑site collaboration; up to 10% travel.
large language models (LLMs), in silico modeling
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Sr. BESS Operations Engineer
Teaneck or San Francisco or Irvine
OnsiteFull Time
Qcells
Qcells: Provider of solar modules, energy storage, and EPC services.
5+ YOEBachelor's or Master's in engineering,5+ years BESS/renewable/grid operations experience,knowledge of power systems,industrial protocols,Linux/SSH,Ansible,ability to apply LLMs/ML for automation and monitoring.
Modbus, CANbus, DNP3, TCP/IP, Linux, SSH, Ansible, Python, SCADA, Confluence, LLMs
1mo
Save
Mark Applied
Hide
Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
2w
Save
Mark Applied
Hide
Lead AI/ML Engineer (GenAI & Agentic Systems)-iCloud
Culver City, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Technical leadership in GenAI and agentic systems, experience with large-scale LLM systems, RAG, agentic workflows, automation, orchestration and cross-functional collaboration with data and infrastructure teams.
LLM, Retrieval-assisted generation (RAG)
3d
Save
Mark Applied
Hide
DreamWorks Technology - Principal Engineer, AI
Glendale, California, United States
$190k-$230k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
10+ YOEBachelor's in CS/Engineering,10+ years building production systems (2+ years on AI/ML),experience deploying enterprise AI/data software,LLM integration expertise,excellent communication and studio collaboration skills.
Python, TypeScript, React, LangGraph, Spring AI, MCP, USD, Autodesk Flow Production Tracking, Jira
4w
Save
Mark Applied
Hide
Customer Success Automation Engineer
San Francisco or Culver City or Dallas or Los Angeles
HybridFull Time
Altruist
Altruist: Provides a digital custodian and portfolio management platform for advisors.
5+ YOE5+ years software engineering with production experience; strong product instincts; experience with LLMs, agent frameworks, Python, APIs, webhooks, Salesforce; customer-focused and data-driven.
Python, LLMs, OpenAI, Anthropic, Gemini, LangChain, LlamaIndex, CrewAI, RAG architectures, APIs, webhooks, Salesforce, Service Cloud, Experience Cloud, Apex, Flow, Salesforce APIs
1w
Save
Mark Applied
Hide
Sr Machine Learning Engineer
Seattle or Santa Monica or Glendale or San Francisco
$149k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years software/ML engineering experience, BS/MS in CS or equivalent, strong Java skill, experience with large-scale ML/DL platforms and LLM tools, good communication and problem-solving.
Java, scikit-learn, Spark MLLib, PyTorch, AWS Bedrock, Azure Cognitive Services, Vertex AI, LangGraph, Crew AI, strands sdk, vector databases, SpringBoot, DynamoDB, Redis, ValKey, MemCache, Apache Kafka, Kinesis, AWS, Terraform, Docker, Kubernetes
1d
Save
Mark Applied
Hide
AI Engineer
New York or Los Angeles
$170k-$200k/yr HybridFull Time
Genius Sports
Genius SportsNYSE: GENI: Global sports technology providing live data and analytics.
3+ YOE3+ years building production ML/CV/AI systems; experience constructing datasets, training and deploying models, evaluation, and production engineering; familiarity with LLMs and multimodal data.
AWS Bedrock, Union, Rust, LLM
3mo
Save
Mark Applied
Hide
Software Engineer - AI Engineer II/III
Rancho Santa Margarita, California, United States
$80k-$140k/yr OnsiteFull Time
Applied Medical
Applied Medical: Manufacturer of advanced medical devices and surgical products.
2+ YOEBachelor’s or Master’s in Computer Science or related field; 2+ years AI/ML experience; strong Python; experience with ML frameworks; knowledge of MCP, LLMs, AI agents; on-site collaboration.
Python, Git, Flask, PyTorch, TensorFlow, LangChain, LangGraph, AutoGen, Docker, Kubernetes, Pinecone, Milvus, ChromaDB, FAISS, OpenAI, HuggingFace
3w
Save
Mark Applied
Hide
Principal Software Engineer - AI
Woodland Hills or Los Angeles or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Kentucky or Massachusetts or Michigan or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia
$200k-$230k/yr HybridFull Time
Convoso
Convoso: AI-powered contact center platform for outbound sales teams.
10+ YOE10+ years software engineering experience, 5+ years backend work in Python or PHP, expertise building LLM-based AI agent systems, production LLM API integration, MySQL proficiency, and automated testing for AI workflows.
LLM, OpenAI, Claude, GitHub Copilot, MySQL, Python, Django, Flask, PHP, Symfony, Laravel, React
3w
Save
Mark Applied
Hide
Software Modernization Engineer
El Segundo, California, United States
$129k-$194k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in CS/CE/STEM, 6+ years software engineering/architecture experience, ability to obtain U.S. government security clearance (U.S. citizenship required), experience modernizing legacy systems, cloud/microservices, DevOps, and stakeholder interfacing.
containerization, microservices, real-time operating systems, visualization frameworks, Linux, AWS, Azure, Jenkins, CI/CD, REST APIs, LLM, RAG, NLP
1mo
Save
Mark Applied
Hide
Data Engineer
New York or Los Angeles or San Francisco
$140k-$175k/yr HybridFull Time
Regard
Regard: A that builds AI-powered software to improve clinical documentation and advance patient care.
3+ YOEBS or equivalent, 3+ years data engineering experience, Python and SQL proficiency, experience with PySpark and distributed data processing, AWS experience preferred, LLM-assisted development familiarity, and willingness to participate in on-call support.
S3, Apache Iceberg, EMR, PySpark, Dagster, Kubernetes, ClickHouse, PostgreSQL, FastAPI, Metabase, Python, SQL, AWS, AWS Athena, EHR, OMOP CDM, HIPAA, LLM
1mo
Save
Mark Applied
Hide
Senior Systems Engineer, Commercial Intelligence and Analytics
Los Angeles or New York City or San Francisco
$103k-$189k/yr OnsiteFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
5+ YOE5+ years in analytics/data/software engineering; strong SQL and Python; experience building production data pipelines, CI/CD, and version-controlled workflows; familiarity with Snowflake, Tableau, Git/GitLab, Docker, LLM APIs; strong communication.
Python, SQL, Snowflake, Tableau, Git, GitLab, LLM APIs, Docker, Jira, Confluence, Salesforce, Databricks