60 full stack ai engineer jobs at 47 companies in Fontana, 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).
Tax Relief Advocates: Resolves personal and business tax debt issues with the IRS.
3+ YOE3+ years full‑stack experience; strong React/Next.js, Node.js, Python skills; RESTful APIs and microservices; experience with Azure or GCP; ability to integrate AI/ML models into production and build secure, scalable web apps.
CarParts.comNASDAQ: PRTS: Online retailer of automotive aftermarket parts and accessories.
6+ YOE6+ years full-stack JavaScript/TypeScript experience with React/Next.js and Node.js/Express, 1+ year integrating LLM APIs, experience with MySQL/Postgres/MongoDB/Redis, and building AI agents and production integrations.
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yrRemoteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
SoLo Funds: Community marketplace for peer-to-peer short-term personal loans.
Strong full‑stack fundamentals (frontend React, backend APIs, databases, cloud), experience directing AI coding agents/LLM workflows in production, testing/code review/security/deployment best practices, high autonomy and ownership.
Fuser: Collaborative canvas for building multimodal AI creative workflows.
1+ YOE1–3 years in full-stack or front-end development; React + TypeScript; Node, tRPC familiarity; curiosity about distributed systems or creative/AI tools.
Match GroupNasdaq: MTCH: Provider of a global portfolio of online dating services.
Staff/Principal-level hands-on engineer to build end-to-end frontend, backend, AI systems, and infrastructure; strong product judgment, reliability, privacy, and scalability focus.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
TOCA Soccer: Operates technology-enabled soccer training and entertainment centers.
5+ YOE5+ years building full-stack web or native apps; strong React, TypeScript, JavaScript, and Node.js skills; experience with AI-assisted development tools; cross-functional collaboration; experience with CRM/booking/subscription products.
Front End Senior Full Stack Developer- Mortgage Automation (AI-First)
Irvine or United States
$135k/yrRemoteFull Time
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
5+ YOE5+ years full-stack development, daily use of AI coding tools, cloud experience (AWS/Azure), RESTful API integration, modern front-end frameworks and backend languages; mortgage technology experience preferred; must be authorized to work in the U.S.
JavaScript, TypeScript, React, Angular, Node.js, Python, Java, C#/.NET, SQL, RESTful APIs, AWS, Azure, Lambda/Functions, CI/CD, Claude Code, GitHub Copilot, Cursor, Blue Sage, Kwikie, Gateless, Cotality, Encompass, MeridianLink, DU/LP, Optimal Blue
Frontend Full Stack Staff Software Engineer, AI Platform Experiences
New York City or Seattle or San Francisco or Denver or Los Angeles or San Jose
$163k-$247k/yrHybridFull Time
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience (4+ building scalable platforms), strong front-end skills, experience with Ruby on Rails, React, GraphQL, platform/AI experience preferred, mentoring and cross-functional collaboration skills.
San Francisco or Oakland or Berkeley or Santa Ana or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France or United States
$141k-$229k/yrRemoteFull Time
Collectors: Providing authentication and grading services for high-value collectibles.
6+ YOE6+ years engineering experience; strong Java (Spring Boot), React or Svelte; experience with microservices, Kafka, Kubernetes, AWS, observability tools; AI/ML tooling familiarity; strong communication and ownership.
Java, Spring Boot, React, Svelte, Kafka, Kubernetes, AWS, Datadog, New Relic, OpenTelemetry
Emberos: AI-powered platform for monitoring and optimizing brand presence in LLMs.
5+ YOE5+ years software engineering; strong full-stack experience (React, TypeScript, Node.js); Neo4j and graph modeling; production LLM integrations and orchestration; client-facing communication and systems design.
Frisco or San Jose or Newport Beach or New York or Toronto or Waterloo
$172k-$283k/yrHybridFull Time
McAfee: Provides consumer cybersecurity, identity protection, and online privacy software.
10+ YOE10+ years software development experience with technical leadership; expertise in cloud-native architecture, agentic AI/ML, full-stack development, distributed systems, Kubernetes, and modern cloud platforms.
Exante360: A technology design and consulting firm that provides ICT and low-voltage systems design and software solutions.
5+ YOE5+ years software development, bachelor\u0002s in engineering/computer science or equivalent, full-stack development (backend and frontend), QA automation experience, experience with APIs, databases, deployments, and use of AI coding tools.
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yrOnsiteFull Time
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor's in CS or equivalent experience; 2+ years post-bachelor software development; full stack web development experience; proficient in JavaScript/TypeScript, front-end frameworks, backend languages, unit testing, and AI tooling.
Senior Engineer, AI Tooling & Developer Productivity
Glendale, California, United States
$150k-$180k/yrOnsiteFull Time
Moon: Building an AI-powered SaaS platform for business operations.
Experience driving AI tooling adoption; strong AI/coding tool proficiency; implementation of multi-agent systems; backend/frontend full-stack capability; production AI integrations.