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97 full stack platform engineer jobs at 75 companies in Fairfield, CA

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Full-Stack Engineer, Agent Management Platform
San Francisco, California, United States
HybridFull Time
CrewAI
CrewAI: Private software providing multi-agent AI orchestration and enterprise workflow automation for businesses.
Strong full-stack product engineering experience with React and TypeScript frontend skills, Ruby/Rails backend or comparable MVC framework, PostgreSQL, background jobs, testing, and familiarity with AI/LLM agent concepts.
React, TypeScript, Ruby/Rails, PostgreSQL, Vite, Tailwind, Hotwire, Stimulus, WorkOS, Auth0, Okta, Keycloak, Entra, GitHub, Slack, HubSpot, Salesforce, Stripe, Minitest, RSpec, Vitest, ViewComponent, React Query
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2w
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Full Stack Software Engineer, Agent Platform
San Francisco or New York City or London
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: AI-powered talent marketplace connecting contractors with global organizations.
2+ YOERequires 2+ years of full-stack experience; JavaScript/TypeScript, React, Next.js, Python and/or Node.js; relational databases, REST APIs, async infrastructure, scalable systems, communication, and technical ownership.
JavaScript, TypeScript, React, Next.js, Python, Node.js, REST APIs
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3mo
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Senior Full-Stack Engineer, Platform (EST)
San Francisco, California, United States
RemoteFull Time
Scribe
Scribe: Workflow AI software that helps organizations capture, improve, and scale how work gets done.
5+ YOE5+ years engineering experience; Django and relational DB; React (NextJS/TypeScript); automated testing; engineering best practices; empathetic and passionate.
Django, React, NextJS, TypeScript, PostgreSQL, Redis, Celery, AWS, Terraform
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Full Stack Engineer Manager
New York or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
8+ YOEBachelor's degree or equivalent experience; 8+ years Python; 2+ years platform engineering; 1+ year with two of Linux admin, Docker/Kubernetes, modern JavaScript framework or DevOps; 1+ year Terraform; strong communication and problem-solving.
Python, Linux, Docker, Kubernetes, React, NodeJS, Terraform, EC2, Lambda, EKS, Fargate
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2w
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Principal Full Stack Engineer
Portland or San Francisco or Novi or Georgia
$139k-$249k/yr OnsiteFull Time
Autodesk
AutodeskNASDAQ: ADSK: Global provider of software for design, engineering, and manufacturing.
10+ YOEBS in computer science or related technical field, 10+ years developing scalable distributed applications, and experience leading 5+ engineers. Requires TypeScript, JavaScript, C#, NextJS, NestJS, AWS, RESTful APIs, microservices, and AI/ML platforms.
TypeScript, JavaScript, C#, NextJS, NestJS, RESTful APIs, Microservices, AWS, RAG, LangGraph, Model Context Protocol (MCP), SCRUM
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2w
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Senior Full Stack Engineer
Petah Tikva or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Public mobile advertising and monetization platform serving advertisers, app developers, carriers, and device manufacturers.
8+ YOERequires 8+ years building production platforms, strong backend architecture, system design, algorithms, data structures, APIs, testing, data modeling, front-end frameworks, and multiple programming ecosystems.
TypeScript, JavaScript, Java, Kotlin, Python, Go, Scala, C++, React, MySQL, PostgreSQL, AWS, GCP, CI/CD
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Senior Software Engineer, Full-Stack (PSA Liquidity Platform)
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/yr RemoteFull Time
Collectors
Collectors: Technology-driven authentication, grading, and vaulting services for 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
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1mo
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Senior Platform Engineer - Core Infrastructure
San Francisco or San Jose or Bellevue
$230k-$340k/yr HybridFull Time
Lambda
Lambda: AI infrastructure building GPU cloud services and supercomputers for researchers, enterprises, and hyperscalers.
5+ YOE5+ years in platform/infrastructure/SRE with Kubernetes production experience, Helm/Kustomize/GitOps, Terraform/Pulumi, observability stacks, Go or Python, networking and security experience.
Kubernetes, AWS, Helm, Kustomize, GitOps, Terraform, Pulumi, Prometheus, Grafana, OpenTelemetry, Go, Python, Temporal, Cadence, Argo Workflows
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Senior Software Engineer, Full-Stack (Agentic Platform)
Seattle or San Francisco
$180k-$255k/yr HybridFull Time
Supio
Supio: Private legal AI software serving plaintiff, personal injury, and mass tort law firms.
Senior full-stack engineer with product focus; hands-on production experience shipping LLM/AI systems, fluency with coding agents, React/TypeScript across stack, strong product sense and autonomy.
TypeScript, React, LLM
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2mo
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Platform Engineer
San Francisco, California, United States
OnsiteFull Time
Engram
Engram: Applied AI research lab building cognitive systems that augment human intelligence and accelerate research and engineering.
5+ YOE5+ years building and scaling production systems, experience designing APIs/platforms, strong product orientation, security/reliability focus, and experience across the stack; early-stage/ML experience a plus.
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3d
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Mid-Level Full-Stack Software Engineer
London or San Francisco
HybridFull Time
InvestorFlow
InvestorFlow: Alternatives Cloud for Deals and Investors, providing a SaaS platform for alternative asset managers to manage fundraising, deal execution, and investor services.
3+ YOERequires 3–5 years in .NET Core and API development, React and JavaScript/TypeScript experience, SQL Server, Git, CI/CD, IaC, cloud platforms, secure coding, and scalable system design.
C#, .NET Core, React, JavaScript, TypeScript, HTML, CSS, GitHub Copilot, Anthropic, SQL, Microsoft SQL Server, MongoDB, Entity Framework, Vite, Webpack, GitHub Actions, Terraform, Azure, AWS, Claude Code, Azure Functions, Azure API Management, Azure Service Bus, Azure Monitor, Application Insights, Azure Front Door, Azure CDN, Docker, Kubernetes, Salesforce
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1w
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Staff Platform Engineer
San Francisco or California
$200k-$380k/yr OnsiteFull Time
Ironsite
Ironsite: Construction technology building wearable cameras and AI models that turn jobsite footage into reports for leaders.
8+ YOERequires 8+ years of full-stack production experience, React/TypeScript, Node.js, PostgreSQL, Redis, API integrations, AWS, scalable web applications, and end-to-end architecture expertise.
React, TypeScript, Node.js, PostgreSQL, Redis, AWS, Procore, Autodesk, Trimble, SMS
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3w
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AI Platform Engineer
San Francisco, California, United States
$190k-$310k/yr OnsiteFull Time
Applied Compute
Applied Compute: Enterprise AI infrastructure helping businesses train, deploy, and continuously improve custom models and in-house agent workforces.
Strong full-stack engineering skills, production web application experience, real-time and asynchronous systems experience, rapid application development ability, and familiarity with LLM-powered applications and agent architectures.
SDK, LLM
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1mo
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Senior AI Platform Engineer
San Francisco or Alabama or Arkansas or California or Colorado or Florida or Georgia or Illinois or Kentucky or Massachusetts or Michigan or Montana or Missouri or Nevada or New Jersey or New York or North Carolina or Oregon or Pennsylvania or Texas or Washington or Utah or Virginia or Wisconsin
$156k-$231k/yr HybridFull Time
Afresh
Afresh: Private AI software helping grocery retailers order, manage, and sell food with less waste.
3+ YOE3+ years building production software or ML/data systems; strong Python and systems/API design; experience with LLM retrieval/RAG, agents, evaluation, Databricks/MLflow and modern data stacks.
Python, PySpark, dbt, Databricks, Delta Lake, Unity Catalog, MLflow, Astronomer, Airflow, Claude, GitHub, Shortcut, Notion, pgvector, Pinecone, Weaviate, LangGraph, MCP
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2mo
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Senior Software Engineer, Data Enablement Platform
New York or San Francisco
$192k-$240k/yr HybridFull Time
Brex
BrexNew York Stock Exchange: COF: Intelligent finance platform for corporate card and spend management.
5+ YOE5+ years in data infrastructure or platform roles; experience with Snowflake, Flink, Airflow, dbt, CDC, and Kafka; fluency in Kotlin or Python; backend/full-stack engineering experience; strong cross-functional communication; participate in on-call rotations.
Snowflake, Flink, Airflow, dbt, CDC, Kotlin, Python, Kafka
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Member of Technical Staff - Data Platform Engineer, Frontier AI Robotics
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
5+ YOE5+ years professional software development and full SDLC ownership; expertise in distributed systems, cloud computing, scalable data processing, and data pipeline/ETL design; full‑stack engineering experience.
Kubernetes, TypeScript, React
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3w
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Software Engineer, Machine Learning Platform
Emeryville, California, United States
$200k-$330k/yr HybridFull Time
Profluent
Profluent: AI-first protein design developing generative models for medicine, agriculture, and biomanufacturing.
5+ YOEBachelor's, master's, PhD, or equivalent experience; 5+ years in backend or full-stack engineering; experience building high-performance tools, platforms, or infrastructure for technical users.
PyTorch, MLflow, CI/CD
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3w
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Staff Engineer - Experimentation Platform
San Francisco or Waterloo or Toronto or London or New York City
$231k-$318k/yr HybridFull Time
Faire
Faire: Private wholesale marketplace connecting independent retailers with brands and makers worldwide.
Extensive software engineering experience in experimentation platforms, A/B testing, analytics infrastructure, modern data stacks, SQL, scalable data models, and cross-functional technical leadership.
Eppo, Snowflake, Databricks, Anomalo, SQL, AWS, Airflow, Spark, Python, Kotlin
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Senior+ Software Engineer - Integrations Platform
Denver or San Francisco or India
$160k-$240k/yr OnsiteFull Time
Frontera Health
Frontera Health: Private AI healthcare serving autism clinicians and families through ABA software and owned behavioral-care clinics.
6+ YOE6+ years backend/full-stack engineering experience building APIs, integration platforms or data pipelines; strong system design and distributed systems knowledge; technical leadership and mentoring experience; experience with third‑party integrations (EHRs) and regulated data preferred.
APIs, EHRs, AI/ML
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1mo
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Software Engineer, AI Platform
San Francisco, California, United States
$188k-$254k/yr HybridFull Time
Mixpanel
Mixpanel: Private B2B SaaS behavioral analytics platform serving product, growth, engineering, and data teams.
2+ YOE2+ years software engineering experience; strong full-stack fundamentals; hands-on LLM and agent integration experience; bachelor's degree or equivalent; strong debugging and communication skills.
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