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95 prompt engineer jobs at 68 companies in Fairfield, CA

3w
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WEM AQM Prompt Engineer
United States or San Ramon
$70k-$196k/yr HybridFull Time
Five9
Five9NASDAQ: FIVN: Provides cloud-based software for enterprise contact center operations.
3+ YOE3+ years speech analytics or QM experience, demonstrable prompt engineering skills, contact center QM knowledge, ability to measure precision/recall, BA/BS or equivalent, strong written communication.
Verint, NICE, Genesys, Five9 AQM, OpenAI, Anthropic Claude, Google Gemini, NICE Enlighten, Qualtrics, Medallia, JSON
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2w
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Agent Engineer
San Francisco, California, United States
OnsiteFull Time
Variance
Variance: Autonomous AI platform for managing digital fraud and adversarial risk.
Experience shipping production systems, hands‑on LLM work (prompting, RAG, evals), strong software engineering, customer communication, and CS degree or equivalent.
LLMs, RAG
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2d
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Distinguished Engineer
McLean or Richmond or New York City or San Jose or Cambridge or Plano or San Francisco
$245k-$335k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Provides credit card, banking, and auto loan services.
7+ YOEBachelor's degree; 7+ years in software engineering and solution architecture; 5+ years shipping cloud platforms; 3+ years with LLM systems, RAG, embeddings, prompt tooling, and model governance.
LLM, RAG, Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN
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2d
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Distinguished Engineer
McLean or Cambridge or Richmond or Plano or San Francisco or San Jose or New York City
$245k-$335k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree, 7+ years in software engineering and solution architecture, 5+ years shipping cloud platforms, and 3+ years with LLM systems including RAG, embeddings, prompt tooling, and model governance.
Java, Python, Go, JavaScript, TypeScript, Swift, RAG, BGP, Wi-Fi, SD-WAN
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2w
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Senior AI Engineer — Agents
San Francisco, California, United States
HybridFull Time
Mira Mace
Mira Mace: AI-powered healthcare advocacy and navigation for Medicare beneficiaries.
Experience building and shipping LLM-powered systems or agents, strong AI fluency (prompting, retrieval, evaluation), production monitoring, and solid software engineering practices.
Python, TypeScript, FastAPI, Next.js, Postgres
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1w
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Enterprise Solutions Engineer
San Francisco, California, United States
HybridFull Time
Bland AI
Bland AI: Provides human-like AI agents for automated business phone calls.
4+ YOERequires 4–8+ years in solutions engineering, sales engineering, or technical pre-sales; enterprise sales-cycle experience; technical discovery and POV ownership; ability to configure demos, understand APIs, work with prompts, and engage technical buyers.
APIs, prompts, LLMs
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Sr. Agent Solutions Engineer
San Francisco, California, United States
OnsiteFull Time
Alpharun
Alpharun: Provides AI-powered sales coaching and autonomous voice agents.
4+ YOE4+ years in technical customer-facing roles, experience deploying integrations, building prompt-engineered agents, strong customer communication, and deep curiosity about AI.
Claude, APIs, webhooks, CRM
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4w
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Forward Deployed Engineer - AI Solutions Engineering
San Francisco or Seattle
$90k-$136k/yr HybridFull Time
Aircall
Aircall: Cloud-based customer communications and call center platform.
2+ YOE2+ years technical consulting/solutions engineering experience; strong API/webhook knowledge; hands-on with low/no-code orchestration and CRM automation; prompt engineering and project management skills.
APIs, webhooks, JSON, REST, GraphQL, Zapier, Make, n8n, Workato, HubSpot, Salesforce, MCP Servers, Looker, BigQuery, Snowflake, JavaScript, Python
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2mo
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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
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2w
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Member of the Technical Staff - Agentic Engineer
San Francisco, California, United States
$240k-$295k/yr HybridFull Time
Stand
Stand: Provides homeowners insurance using physics-driven AI risk assessment.
Proven experience shipping agentic systems, building evaluation frameworks, MCP implementations, production prompt/skill management, and tooling for engineering teams; familiarity with authorization and product discovery.
React, Next.js, Model Context Protocol (MCP)
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2mo
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Senior AI Engineer - Agent Team
San Francisco, California, United States
$225k-$325k/yr OnsiteFull Time
FurtherAI
FurtherAI: Automates insurance workflows with artificial intelligence agents.
6+ YOE6+ years building in ML/AI, strong Python, expert LLM prompting, experience building orchestration/tools for agents, excellent verbal and written communication; B2B SaaS and 0–1 experience preferred.
Python, LLM, MCP servers, Claude-Code, Claude-Model
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3mo
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Solutions Engineer
San Francisco, California, United States
OnsiteContract
Ascend
Ascend: Financial automation platform for insurance payments and premium financing.
Prompt engineering, AI agents, or AI-powered automation workflows; strong analytical and communication skills; ability to work with complex systems.
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2mo
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AI Engineer
San Francisco, California, United States
$180k-$250k/yr OnsiteFull Time
Fluency
Fluency: Automates enterprise process mapping and documentation with artificial intelligence.
Hands-on experience building LLM-powered features; production engineering in TypeScript/Node and/or Python; experience with multiple LLM providers; strong prompt engineering, retrieval and evaluation; track record of evaluation systems; solid software engineering.
TypeScript, Node.js, Python, AWS Lambda, ECS Fargate, OpenAI, Anthropic, Google Vertex, AWS Bedrock, pgvector
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2d
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Software Engineer, Integrations
Europe or London or San Francisco or New York City or United Kingdom or Toronto or Montreal or Paris or Berlin or Seoul
$150k-$270k/yr RemoteFull Time
Cohere
Cohere: Provides enterprise-grade large language models and AI software platforms.
Production software engineering experience, external API integration experience, agentic system evaluation or familiarity with evals, prompt engineering, tool-description tuning, and end-to-end ownership.
AI, APIs
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1mo
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Creative Engineer
San Francisco, California, United States
$200k-$235k/yr HybridFull Time
Gamma
Gamma: AI platform that generates presentations, documents, and websites from text.
Experience shipping high-volume performance creative, AI creative tool fluency, prompt engineering and light scripting, analytics for ad performance, and design leadership experience.
LLMs, n8n, Make
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1mo
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Software Engineer II – AI Engineer (w/ skills in Deployment)
San Ramon, California, United States
$85k-$124k/yr RemoteFull Time
Robert Half
Robert HalfNYSE: RHI: Provides specialized staffing and global business consulting services.
4+ YOE4+ years IT experience with 2+ years software engineering and 1+ year GenAI deployment; experience with LLMs, RAG, prompt engineering, CI/CD, containers, cloud platforms, and observability.
Python, Java, C#, JavaScript, SQL, LangChain, Semantic Kernel, AutoGen, CI/CD, Azure, AWS, GCP, LLMOps, MLOps
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2mo
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Founding Engineer
San Francisco, California, United States
$140k-$180k/yr HybridFull Time
Dealops
Dealops: Building revenue infrastructure for modern B2B pricing
4+ YOE4+ years software development experience; full-stack focus; proficiency in React, TypeScript, and SQL/PostgreSQL; track record building scalable products; experience with ML or prompt engineering is a plus.
React, TypeScript, SQL, PostgreSQL, Tailwind, Express
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2mo
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AI Marketing Engineer
New York City or San Francisco or Europe or Asia or Australia or North America
$195k-$240k/yr OnsiteFull Time
Legora: AI workspace for legal document research and drafting.
Experience building AI/LLM-driven marketing automations and agent workflows, prompt engineering, model evaluation, integrations with marketing data stacks, strong communication and marketing instincts.
LLMs
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1mo
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Software Engineer, DUE Experience
Mountain View or Los Angeles or New York City or San Francisco
$213k-$263k/yr OnsiteFull Time
Waymo
Waymo: Autonomous driving technology for ride-hailing and logistics.
5+ YOE5+ years software engineering experience building distributed systems; expertise in applied LLMs/Agentic AI, multi-agent orchestration, prompt engineering; proficiency with C++ or Python; Bachelor's in CS or equivalent experience.
C++, Python
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2mo
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Staff Software Engineer, AI Developer Tools
Denver or San Francisco or New York City or Seattle or United States
$179k-$245k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years systems engineering experience, production AI experience (prompting, fine-tuning, RAG, multi-agent), strong distributed-systems and developer-experience mindset, excellent communication and mentoring skills.
Large language models (LLMs), Retrieval-augmented generation (RAG), multi-agent systems, CI/CD, APIs, evals
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