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251 api developer integration engineer jobs at 182 companies in Napa, CA

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Integration Engineer
San Francisco, California, United States
$134k-$200k/yr OnsiteFull Time
Harvey
Harvey: AI platform for legal research and document analysis.
3+ YOE3+ years integration or systems engineering experience; hands-on with iPaaS, enterprise SaaS (Salesforce, NetSuite, Workday, Marketo, Snowflake); API, auth, scripting (Python/JavaScript), troubleshooting, and stakeholder communication skills.
Salesforce, CPQ, NetSuite, Workday, Marketo, Snowflake, Workato, Ashby, Python, JavaScript, REST, SOAP, GraphQL, OAuth, SAML, SCIM
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Senior Integration Engineer - Tokenization
United States or Los Angeles or Seattle or San Francisco or New York City
$113k-$153k/yr RemoteFull Time
Marqeta
MarqetaNASDAQ: MQ: Providing cloud-based card issuing and payment processing infrastructure.
5+ YOE5+ years advising enterprise customers on technical integrations, strong API knowledge, experience with Postman or Bruno, SQL and Datadog a plus, bachelor’s degree preferred.
Bruno, Postman, SQL, Datadog
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Sr Marketing Systems Integration Engineer
Dublin, California, United States
$133k-$179k/yr HybridFull Time
Tailored Brands
Tailored Brands: Omnichannel retailer of menswear, formalwear, and tailored clothing.
8+ YOEBachelor's in CS/IS/Engineering, 8+ years integrating enterprise applications and marketing tech, 5+ years SQL, API/webhook/event-driven integration experience, CI/CD and Git, experience with PAM/DAM and marketing platforms, GDPR/CCPA knowledge.
CDP, CRM, PAM, DAM, CMS, PIM, Salesforce Marketing Cloud, Adobe Experience Platform, Braze, Iterable, Twilio, Segment, Customer C360, RESTful services, webhooks, API, HTML, SQL, Git, CI/CD
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Partner Engineer, Generative AI Integration and Distribution
Menlo Park or Seattle or Burlingame or New York City
$149k-$210k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
5+ YOEBachelor's in CS/CE or equivalent, 5+ years in software/AI/ML, development experience in at least one of: Python, Java, Go, Rust, C, C++, experience with LLMs, cloud technologies, APIs, partner integrations, and project management.
Python, Java, Go, Rust, C, C++, LLMs, LLaMA, GPT, Claude, APIs
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Senior Software Engineer - Banking Integration Platform
San Francisco or New York City or Portland or United States or Canada
$201k-$251k/yr HybridFull Time
Mercury
Mercury: Banking services and financial software designed for startup companies.
7+ YOE7+ years building and operating backend infrastructure and distributed systems; experience integrating modern systems with legacy banking infrastructure; strong API and reliability focus; Haskell experience or willingness to learn.
Haskell
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Forward Deployed Engineer
San Francisco, California, United States
OnsiteFull Time
Encord
Encord: Data management and annotation platform for AI development.
3+ YOE3–8 years in technical, client-facing or solutions engineering; data integrations and APIs; strong communication; startup experience a plus.
APIs, Data integration
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Forward Deployed Engineer
San Francisco, California, United States
$130k-$170k/yr HybridFull Time
Attio
Attio: Provides a customizable AI-powered customer relationship management platform
2+ YOE2+ years as a developer or GTM engineer; deep GTM tooling experience; API integrations; no-code/low-code; data infrastructure knowledge.
Zapier, N8n, Make, APIs, GTM tools, Claude Code, Cursor, AI coding platforms, Segment, Rudderstack, Polytomic
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Senior Software Engineer - Integrations
New York City or San Francisco or Los Angeles
$180k-$210k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
5+ YOE5+ years backend software engineering experience; strong system design, data modeling, API development, and integrations experience. Comfortable with messy healthcare data and stakeholder collaboration. Python and healthcare integrations experience preferred.
SFTP, EDI, HL7, FHIR, ICD-10, CPT, Epic, Cerner, Python, APIs
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Developer Partnerships
San Francisco or Palo Alto
OnsiteFull Time
Parallel
Parallel: Build web infrastructure and search APIs for AI agents.
Build and manage developer partnerships, open source BD, and platform integrations; navigate GitHub PRs and API docs; conduct 30+ concurrent partner conversations; prioritize ruthlessly based on distribution potential.
GitHub, API Documentation, Open Source Platforms
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Software Engineer
Oakland or United States
$149k-$155k/yr RemoteFull Time
Dutch
Dutch: Providing virtual veterinary consultations and prescription services for pets.
2+ YOEBachelor's in STEM, 2 years full-stack software development experience with JavaScript/TypeScript, React, React Native, GraphQL, Git/GitHub, HTML/CSS/Sass, and API integration.
GitHub, Git, JavaScript, TypeScript, HTML, CSS, Sass, React, React Native, GraphQL, APIs
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Founding Engineer
San Francisco, California, United States
OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proficiency with TypeScript/JavaScript and Python; backend Node.js and REST API experience; frontend React; PostgreSQL and Supabase; experience integrating OpenAI or Claude; ability to own product areas and ship to production rapidly.
TypeScript, JavaScript, Python, Node.js, React, PostgreSQL, Supabase, OpenAI, Claude, REST API
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Forward Deployed Engineer
San Francisco, California, United States
$160k-$250k/yr OnsiteFull Time
Juicebox
Juicebox: AI-native platform for automated candidate discovery and talent sourcing
Strong engineering fundamentals, experience with APIs/webhooks/OAuth/SSO/ATS, debugging and integration skills, clear communication, high ownership.
APIs, webhooks, OAuth, SSO, ATS
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GTM AI Engineer
Austin or Chicago or New York City or Salt Lake City or San Francisco or United States
$115k-$175k/yr RemoteFull Time
Gong
Gong: AI platform analyzing customer interactions to improve sales performance.
Background in software/data engineering or applied AI, experience shipping AI/LLM tools to production, systems thinking, API and workflow integration experience, strong independent delivery and stakeholder partnership skills.
Gong, Salesforce, APIs, agent frameworks, workflow orchestration, LLM
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2mo
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Salesforce Developer
Los Angeles or San Francisco
$105k-$115k/yr HybridFull Time
Brilliant Corners
Brilliant Corners: Provides supportive housing and clinical services to vulnerable populations.
3+ YOE3+ years Salesforce development: Apex, LWC, Experience Cloud, API integrations (REST/SOAP), FormAssembly, CI/CD, Git; Platform Developer certification preferred.
Apex, SOQL, SOSL, Visualforce, Lightning Web Components (LWC), Aura Components, REST, SOAP, OAuth 2.0, JWT, Named Credentials, Platform Events, FormAssembly, JavaScript, HTML, CSS, Python, Java, C#, Salesforce DX (SFDX), CLI, change sets, GitHub Actions, Copado, Gearset, Jenkins, ANT, Git, GitHub, Microsoft Word, Microsoft Excel, Microsoft Outlook, PMD, Apex PMD, ESLint, MuleSoft, Workato, Boomi, Zapier, Experience Cloud, Salesforce Connect, Omni-Channel flow
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GTM Engineer
Berkeley, California, United States
HybridFull Time
Valency Systems
Valency Systems: A small, high-trust engineering team building a platform to accelerate research and discovery using AI.
Experience building production-quality code (Python or TypeScript), demos/integrations, and technical content; able to work with engineering and go-to-market teams and engage technical buyers; familiarity with APIs and developer-facing products.
Python, TypeScript, Attio, MCP, GitHub, Discord
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1mo
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Forward Deployed Engineer
New York City or San Francisco or Los Angeles County or California or United States
$162k-$219k/yr HybridFull Time
Hatch
HatchNYSE: YELP: AI-powered customer engagement platform for home service businesses
1+ YOEHands-on engineer building n8n flows, direct API integrations, webhooks, and middleware; client-facing consulting; 1+ years software engineering experience (consulting preferred); strong communication and technical documentation skills.
n8n, API, webhook, CRM
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2mo
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Demo Engineer
Redwood City or San Francisco
$111k-$172k/yr HybridFull Time
Box
BoxNYSE: BOX: Provides cloud-based content management and secure file sharing services.
Degree in CS/engineering or equivalent experience; experience building software and demos; knowledge of AI integration concepts (MCP servers, agent orchestration, API-driven workflows); able to work with code; strong communication and collaboration skills.
Box AI, MCP server, API
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Integrations Developer
San Francisco, California, United States
HybridFull Time
MaintainX
MaintainX: Provides mobile-first software for maintenance and asset management.
3+ YOE3+ years software development experience, Bachelor's degree in CS/MIS/Engineering, proficiency with JavaScript/TypeScript, APIs and data transformation, strong debugging and communication skills.
TypeScript, Node.js, React, React Native, MySQL, JavaScript, Open REST APIs, Workato, Tray.io, Zapier, SAP, Oracle, JD Edwards, NetSuite, Microsoft Dynamics AX, Sage Intacct, IoT Sensors, SCADA, PLC, Historians
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Software Engineer, Applied AI
San Francisco, California, United States
$150k-$170k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
2+ YOE2+ years software development; BS/MS in CS/Engineering/ML/Math/Physics; strong Python; experience with production systems and AI/ML model integration; familiarity with APIs, distributed systems, containers, CI/CD, edge deployment.
Python, APIs, Distributed Systems, Containers, CI/CD, Edge Deployment, Model Serving, Observability, Data Pipelines, Python Libraries
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Senior AI Agent Engineer
Boston or Berkeley
$120k-$210k/yr HybridFull Time
Liberate
Liberate: AI agents automating insurance workflows for sales, service, and claims
7+ YOE7+ years in solutions engineering/technical consulting; BS in CS/Engineering; strong ownership and customer focus; Python/Java; APIs, data integration, cloud; excellent communication.
Python, Java, APIs, Cloud platforms
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