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72 user experience engineer jobs at 55 companies in Napa, CA

1mo
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Staff Product Manager- Developer Experience
Oakland, California, United States
$227k-$283k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ YOE5+ years product management experience with developer tools/IDEs, experience with AI-powered development tools, strong technical foundation, user research, and excellent written and verbal communication.
dbt, Studio IDE, Developer Agent, Cloud CLI, dbt VS Code Extension, VS Code, Cursor, Copilot, Devin, Fusion, Language Server Protocol (LSP), tree-sitter, CLI, Snowflake, BigQuery, Databricks, Redshift
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1mo
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Director, IT Platforms & End User Services
South San Francisco or Salt Lake City or Zurich or United States
$204k-$265k/yr OnsiteFull Time
Denali Therapeutics
Denali TherapeuticsNASDAQ: DNLI: Developing therapies to treat neurodegenerative and lysosomal storage diseases.
10+ YOE8+ Mgmt10+ years IT leadership experience, 8+ years managing leaders; bachelor’s in CS/IS/Engineering or equivalent; experience in enterprise infrastructure, platforms, end user services, ITIL, GxP, 21 CFR Part 11, and SOX ITGC.
ITIL, IAM, GxP, 21 CFR Part 11, SOX ITGC, Change Advisory Board (CAB)
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1mo
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Design Engineer
San Francisco or Vancouver
OnsiteFull Time
Gumloop
Gumloop: Platform for building AI automated workflows without code.
2+ YOE2+ years building user-facing products; strong TypeScript, React, Tailwind CSS skills; experience with design systems and frontend implementation; ownership, attention to performance, accessibility, and UX.
TypeScript, React, Tailwind CSS, Next.js, TanStack Query, TanStack Table, TanStack Form, Zod, Motion/React, Figma, Paper
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2w
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Product Engineer
San Francisco, California, United States
OnsiteFull Time
Sable: Multimodal AI agents for enterprise go-to-market workflows.
Experience building user-facing AI products, strong product instincts, ability to translate customer feedback into shippable features, and experience designing tools for non-technical operators.
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5d
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Member of Technical Staff - GPU Infrastructure Engineer
San Francisco, California, United States
OnsiteFull Time
Liquid AI
Liquid AI: Develops efficient general-purpose artificial intelligence foundation models.
Strong software engineering with production infrastructure tooling, deep distributed systems/Linux/networking/storage knowledge, experience operating shared compute clusters and supporting production users.
Linux, SLURM, Kubernetes, Ray, Hadoop
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6d
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Software Engineer, Applied AI
San Francisco, California, United States
$155k-$260k/yr OnsiteFull Time
Numeric
Numeric: Provides AI-powered software for accounting and financial close automation.
Generalist full‑stack skills with backend and web framework experience, history of shipping greenfield projects, familiarity with modern AI and strong user-centered instincts.
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1mo
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Member of Technical Staff (ML Engineer, Recommendations & User Modeling)
San Francisco or Palo Alto
$220k-$405k/yr OnsiteFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
Deep, hands-on experience building production recommendation, ranking, or personalization systems; strong ML fundamentals (engagement modeling, calibration, metrics, experimentation); experience integrating LLMs; experience with large-scale ranking infra is a plus.
LLMs
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3mo
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Software Engineer, Agents
San Francisco, California, United States
$161k-$242k/yr HybridFull Time
Harvey
Harvey: AI platform for legal research and document analysis.
2+ YOE2-5 years software engineering experience; proficiency in Python; experience with LLM APIs and agent frameworks; shipping user-facing products.
Python, LLM APIs, Agent frameworks
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4d
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Software Engineer, GTM Platform
San Francisco, California, United States
$189k-$330k/yr OnsiteFull Time
Ramp
Ramp: Financial operations platform for corporate cards and spend management.
2+ YOE2+ years software engineering experience preferred; track record of shipping products, strong collaboration and empathy for internal users, ability to build internal tools and AI-powered workflows.
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1mo
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Software Engineer
San Francisco, California, United States
HybridFull Time
Backflip
Backflip: Developing generative AI foundation models for 3D mechanical design.
4+ YOE4+ years professional software engineering experience; strong full-stack skills building backend services, APIs, infrastructure and user-facing features; fluent with Python, Node.js, JavaScript/TypeScript, React, RESTful APIs and CI/CD.
Python, Node.js, RESTful APIs, CI/CD, JavaScript, TypeScript, React
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1mo
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Software Engineer, Product Experiences
San Francisco or Washington
$160k-$220k/yr OnsiteFull Time
Peregrine
Peregrine: Data integration and analytics platform for public safety agencies.
2+ YOE2+ years building production user-facing software; strong React/TypeScript frontend skills; full-stack experience; degree in CS or equivalent; experience with distributed systems and product-focused development.
React, Redux, TypeScript, Mapbox, Python, Django, Celery, Airflow, Kafka, PostgreSQL, Elasticsearch, Bedrock, Sagemaker, AWS, Pulumi, Terraform, Kubernetes
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1mo
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Member of Technical Staff, Design Engineer
San Francisco, California, United States
$350k-$500k/yr OnsiteFull Time
Mirendil
Mirendil: Developing frontier artificial intelligence models to accelerate scientific research.
Design and build AI-native user interfaces and abstractions; collaborate closely with researchers and engineers; iterate rapidly on product, model, and infrastructure to optimize developer experience.
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2mo
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Senior Full-Stack Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
Hedra
Hedra: Builds artificial intelligence models for character-driven video generation.
5+ YOE5+ years of professional experience with JavaScript, React, Next.js, and TypeScript; able to collaborate with design and deliver engineering initiatives; product-focused and user-centric.
Next.js, React, Redux, TypeScript, JavaScript, Python, Golang, AWS, PostgreSQL, Redis, S3, SQS, Playwright, Kubernetes, REST APIs, WebSockets, WASM, IndexedDB, CI/CD
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1w
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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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3d
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AI Engineer
San Francisco, California, United States
$170k-$220k/yr OnsiteFull Time
LiteLLM
LiteLLM: Open-source AI gateway for standardizing LLM API access.
1+ YOE1-2 years backend/full-stack production experience; familiarity with OpenAI API and LLM APIs; strong Python and FastAPI skills; experience with Redis and Postgres; passion for open source and user engagement.
Python, LLM APIs, FastAPI, Redis, Postgres, OpenAI API, Anthropic, Python SDK
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3d
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IT Engineer
San Francisco, California, United States
HybridFull Time
ElevenLabs
ElevenLabs: Develops generative AI for voice, audio, and conversational agents.
Provide onsite IT support, device lifecycle management, AV and end-user support, build automations and Slack bots, familiarity with macOS, networking basics, bash, and clear communication.
macOS, Slack, bash
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6d
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Software Engineer, Applied AI / Product
San Francisco, California, United States
OnsiteFull Time
Embedding VC: Venture capital firm backing early-stage generative AI startups.
Full-stack engineering across agent architectures, evals, data ingestion and user surfaces; experience shipping high-quality code, ownership of end-to-end systems, and working with frontier models and AI guardrails.
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2mo
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Software Engineer
New York City or San Francisco
RemoteFull Time
Fay
Fay: Marketplace connecting patients with insurance-covered registered dietitians.
2+ YOE2+ years backend or full-stack experience; proficient in Python and TypeScript/React; strong collaboration; experience building user-facing products; comfortable in fast-paced startup.
Python, TypeScript, React
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1mo
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Software Engineer, Computer Use & Frontier Interfaces
San Francisco, California, United States
$255k-$405k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Strong software engineering fundamentals, experience building user-facing products and desktop/Apple/Windows platforms, ability to prototype and ship product-quality systems, strong collaboration and product instincts.
Apple platforms, Windows, ChatGPT, Codex
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1mo
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Design Engineer
San Francisco, California, United States
$140k-$180k/yr HybridFull Time
Metriport
Metriport: Provides an open-source API for healthcare data interoperability.
Strong design instincts with Figma, deep React/frontend fluency, experience building and maintaining design systems, user research/advocacy, and solving data-dense UI problems.
Figma, React, MacBook
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