111 ai application developer jobs at 83 companies in Fairfield, CA
🚀PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yrOn-SiteFull Time
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.
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Brain Co.: Builds AI software platforms for governments and large enterprises.
5+ YOE5+ years in application or product security; hands-on security tooling and coding; strong knowledge of application security fundamentals; experience with AI-enabled security.
Twelve Labs: AI foundation models for video search and human-like understanding.
Strong backend engineering in Python or Go, system design and 0→1 internal product experience, experience with large unstructured datasets, full-stack capability, and familiarity with cloud data platforms, data governance, and access control.
California or New York City or Boston or San Francisco or Washington, D.C. or Seattle or Santa Monica
$115k-$173k/yrHybridFull Time, Temporary
Fenwick & West: Legal services for technology and life sciences companies.
5+ YOE5+ years supporting and developing financial applications, experience with application development (UI, middle tier, stored procedures), SQL, Microsoft Windows support, APIs, automation and AI/ML familiarity; Bachelor's in CS/IS or equivalent experience.
Microsoft Windows, SQL, APIs, AI services, AI/ML frameworks
Cargomatic: Digital marketplace connecting shippers with local trucking capacity.
3+ YOE3+ years software engineering with focus on AI/ML or automation; hands-on AI-powered applications; experience with agentic AI concepts, LLMs, and modern AI frameworks; cloud infrastructure (AWS); backend (Node.js); frontend (React).
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
4+ YOE4+ years building applied computer vision/ML for image or volumetric data, production deployment (MLOps), customer-facing experience, ability to scope and deliver ML solutions, and willingness to travel ~30%.
Vagaro: Cloud-based management platform for beauty and wellness businesses.
2+ YOE2+ years building LLM/LLM-based or generative AI applications; proficiency in Python and SQL; experience with cloud platforms (AWS/GCP/Azure), Docker, Kubernetes, ML model deployment, and collaboration with product teams.
Skild AI: A robotics focused on building advanced robotic intelligence and deploying robotic systems.
3+ YOE3–5+ years robotics application development; BS/MS in CS/Robotics or related; Python and C++; ROS/ROS2; AI/ML for robotics; autonomous systems experience.
Thorin: Building proactive AI agents for enterprise workflow automation.
Experience building production software, backend and frontend systems, APIs and distributed systems; familiarity with LLMs or AI applications; strong product judgment and ownership.
FreshworksNASDAQ: FRSH: Provides cloud-based customer support and IT management software.
Experience building AI/LLM-powered applications, integrations across Salesforce/Marketo/CRM stacks, production-grade reliability, and GTM/revenue operations domain knowledge.
United States or Canada or San Francisco or New York City or Seattle
$190k-$273k/yrRemoteFull Time
Apollo.io: AI-powered platform for B2B sales intelligence and outreach automation.
5+ YOE5+ years software engineering or application security experience; strong coding skills (Ruby, Python), Linux and GCP familiarity, deep AppSec/vulnerability management, pen-testing and SAST experience, AI security, and strong communication.
Seattle or Los Angeles or San Francisco or California or Colorado or Connecticut or Delaware or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Rhode Island or Virginia or Washington or Washington DC or United States
$141k-$259k/yrOnsiteFull Time
Nordstrom: Operates luxury department stores and off-price retail outlets.
4+ YOE4+ years in application security or related field; experience shipping security tooling and automation; expert threat modeling, security design review, and manual code review; fluent reading/writing code in Java, Kotlin, C#, or Python; cloud-native and LLM/AI security knowledge.
Arcade: Infrastructure for AI agents to securely interact with external applications.
5+ YOE5+ years software engineering with at least 2 years shipping production ML or applied‑AI systems; strong Python; LLM application depth; multi-tool/workflow design; scalable evals and statistics; comfortable with frontier models; hands-on shipping mindset.
Miami or New York or San Francisco or Mexico City or United States
RemoteFull Time
Félix Pago: Remittance platform for money transfers via WhatsApp messaging.
8+ YOE8+ years software engineering experience with infrastructure and systems development; 2+ years building production LLM/AI applications; strong Python, system architecture, containerization (Docker/Kubernetes), CI/CD, observability, RAG and agentic systems experience.
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
5+ YOE5+ years technical experience, 2+ years building/deploying AI applications; expertise with AI platforms and tooling; proficiency in Python and SQL; experience building AI-powered tools; strong communication and coaching skills.
California or Illinois or Texas or Massachusetts or Colorado or Connecticut or Maryland or New Jersey or Washington or Virginia or Alaska or San Francisco or New York City
$92k-$194k/yrOnsiteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
8+ YOEBachelor's degree,8+ years professional experience with 2+ years focused on AI,proven AI application development,advanced prompt engineering,Python,enterprise orchestration and LLM platform experience,knowledge of GTM post-sales systems.
Python, Amazon Quick Automate, UnifyApps, Anthropic, OpenAI, Amazon Bedrock, OpenAI Codex, Claude CoWork, MCP (Model Context Protocol), Salesforce, Gainsight, Totango, Clari, Gong, Pendo, Snowflake, Redshift, AWS, Microsoft Power BI, LLMs
Amy's Kitchen: Family-owned producer of organic, vegetarian, and non-GMO frozen meals.
2+ YOE2+ years data engineering experience; proficiency with Azure Data Factory, Azure Synapse, Databricks, SQL/PL/SQL, Power BI, ETL/ELT, Azure DevOps, Git; experience with AI/ML model integration preferred; bachelor's in CS or equivalent preferred.
Seattle or San Francisco or Scottsdale or Atlanta or Sterling or Boston or New York City
HybridFull Time
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
5+ YOE5+ years building business applications, automation, or analytics; strong SQL and Python skills; experience with AI-assisted development tools, APIs/integrations, workflow automation, and partnering with finance stakeholders.
Cursor, Claude, Codex, GitHub Copilot, SQL, Python, APIs, LLM APIs, Microsoft Power BI, Alteryx, Microsoft Power Automate, Databricks, Snowflake