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70 api developer integration engineer jobs at 56 companies in Lancaster, CA

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Payload Integration Engineer - Level 4
Pasadena, California, United States
$127k-$193k/yr HybridFull Time
Sophia Space
Sophia Space: Modular data center hardware for in-orbit computing and AI.
8+ YOEBS in engineering, 8+ years spacecraft or payload systems engineering experience, ownership of payload integration/ICDs/I&T, electro-optical payload expertise, API/SDK integration experience, strong cross-disciplinary leadership; U.S. Person required.
SpaceWire, GigE Vision, MIPI CSI, RS-422, CAN, Ethernet, MIL-STD-1553, CCSDS, MBSE, SysML, DOORS, Jama, Polarion, Cameo, Innoslate, MGSE, EGSE, APIs, SDKs
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3w
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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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3w
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Integration Engineer - High Voltage Los Angeles, CA
Los Angeles, California, United States
$110k-$145k/yr OnsiteFull Time
Volkswagen Group
Volkswagen GroupFrankfurt Stock Exchange: VOW3: Global manufacturer of motor vehicles and automotive financial service provider.
5+ YOE5+ years validation/integration experience for connected infotainment, VWAG vehicle integration knowledge, engineering degree, strong communication, test and resource management, knowledge of CAN/MOST/Ethernet/FlexRay.
CAN, MOST, Ethernet, FlexRay, APIs, MQTT, Cloud Infrastructure
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2w
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Enterprise Architect Integration Engineer II
Los Angeles, California, United States
$105k-$174k/yr OnsiteFull Time
L.A. Care Health Plan
L.A. Care Health Plan: Public health plan providing coverage to Los Angeles residents.
5+ YOE5+ years designing and implementing data applications and integrations; experience with APIs, SOA, messaging, cloud, databases, and healthcare interoperability standards; bachelor\u0002s degree required.
Java, JSP, Oracle PL/SQL, SQL Server, SOAP, REST, Microservices, Informatica IDMC, IICS, Oracle SOA Suite, BPEL, Oracle Service Bus (OSB), JMS, Git, HL7, FHIR, X12 EDI, Kafka, Pub/Sub, AWS API Gateway, NoSQL, Snowflake, Redshift, Databricks, OAuth 2.0, JWT, Swagger, OpenAPI, Jenkins, Azure DevOps, GitHub Actions
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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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2mo
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AI Solutions Developer – Insurance Operations & Systems Integration
Los Angeles, California, United States
$100k-$150k/yr OnsiteFull Time
Knight Insurance Group
Knight Insurance Group: Provides specialty property and casualty insurance and underwriting services.
Develop AI-driven software for insurance operations; build internal tools, dashboards, API integrations; experience with AI-assisted development, web apps, SQL, and cloud/SaaS.
Python, JavaScript, Node.js, React, SQL, APIs, Cloud platforms
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3mo
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Backend Engineer - PCB CAD Integration
Los Angeles, California, United States
$150k-$160k/yr RemoteFull Time
Quilter
Quilter: Automates printed circuit board layout using physics-driven AI.
3+ YOE3+ years backend software experience; expert Python; strong API design and distributed systems; leadership and collaboration; startup environment adaptability.
Python, Backend frameworks, AWS, Docker, Kubernetes, Terraform, JSON, XML, protobuf
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AI Solutions Developer – Insurance Operations & Systems Integration
Los Angeles, California, United States
$100k-$150k/yr OnsiteFull Time
Hankey Group
Hankey Group: Diversified automotive, financial services, and technology conglomerate.
AI-driven software development, API integrations, web apps, dashboards, and automation for insurance workflows.
Python, JavaScript, Node.js, React, SQL
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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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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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Software Engineer, Tech Ops
Santa Monica or Los Angeles or United States
$135k-$167k/yr HybridFull Time
ZipRecruiter
ZipRecruiterNYSE: ZIP: Online employment marketplace connecting job seekers and employers.
2+ YOE2+ years software engineering or systems integration experience; proficiency in TypeScript and/or Python; API and third-party integration experience; experience using AI developer tools (Cursor, Copilot, Claude).
TypeScript, Python, Cursor, Copilot, Claude, NetSuite, Okta, ADP, Google, Salesforce
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AI Tooling Engineer
San Francisco or Seattle or Los Angeles or New York City or United Kingdom or Ireland or Poland or Germany or Australia or North America or Europe
$200k-$260k/yr RemoteFull Time
Whatnot
Whatnot: Social marketplace for buying and selling via live streams
4+ YOE4+ years industry experience, 1+ years applied AI/LLM product experience; strong fluency with prompt engineering, RAG, MCP, agents, evals; systems-integration experience with APIs/webhooks; strong communication and mentorship skills.
Anthropic, OpenAI, Google, APIs, webhooks, LLM, RAG, MCP, evals
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Provides engineering, construction management, and planning for infrastructure projects.
4+ YOEBachelor's in engineering, 4+ years ILI gas utility experience, Direct Assessment and pressure testing experience, proficiency with integrity assessments and technical documentation, AMPP/CP/API familiarity, EIT preferred.
Microsoft Office
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Senior Application Engineer I
Washington D.C. or Chicago or New York City or Los Angeles
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery and litigation platforms, APIs/ETL/data integrations, Microsoft SQL, Linux, REST APIs, PowerShell, emerging AI, strong communication and problem-solving.
Relativity Server/One, Reveal, BrainSpace, AI, APIs, REST APIs, ETL, data pipelines, Microsoft SQL, Linux, PowerShell
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Developer, Mobile
Los Angeles, California, United States
HybridFull Time
Herbalife
HerbalifeNYSE: HLF: Sells nutrition, weight management, and personal care products globally.
5+ YOERequires 5+ years of mobile development experience, native iOS or Android expertise, cross-platform frameworks, mobile architecture, API integration, prototyping, analytics, security, CI/CD, and a bachelor's degree or equivalent experience.
Swift, SwiftUI, Kotlin, React Native, Flutter, MVVM, MVC, Clean Architecture, Xcode, Android Studio, Firebase, Crashlytics, Core Data, Room, Realm, SQLite, Fastlane, Jenkins, GitHub Actions, AWS, Azure, Google Cloud, ARKit, ARCore
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3w
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Deployed Engineer
Los Angeles, California, United States
$120k-$160k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
Bachelor's in a technical field, strong software engineering background, experience troubleshooting lab/integration/field systems, familiarity with Linux/Python/C/C++, ability to read technical documentation, and willingness to travel to customer sites.
Linux, Python, C/C++, Networking, test automation, APIs
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Civil engineering and construction management firm for infrastructure projects.
4+ YOEBachelor's in engineering required, 4+ years gas utility ILI engineering experience, experience with integrity/direct assessments and pressure testing, proficiency in AMPP/CP1/CPs/CP3/API 579, Microsoft Office skills.
Microsoft Office
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Luminate: GTM Engineer
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
Luminate
Luminate: Providing data insights for the global entertainment industry.
Hands-on experience building AI-powered GTM workflows, proficiency with Python and SQL, API integrations, LLMs and agent design, and fluency integrating Salesforce/Pardot/Clay/Salesloft; US work authorization required.
Python, SQL, Salesforce, Pardot, Clay, Salesloft, LLMs, Slack
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2mo
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Application & Systems Engineer (Los Angeles, CA, US)
Los Angeles or San Diego
$110k-$150k/yr RemoteFull Time
dormakaba
dormakabaSIX Swiss Exchange: DOKA: Manufactures and services building access and security systems.
3+ YOEBachelor's in CS/Engineering, 3+ years application/systems engineering, strong Python, REST API/JSON/OAuth experience, test automation and CI/CD, familiarity with access control protocols (OSDP, Wiegand), and mobile wallet integrations.
Python, REST API, JSON, OAuth, SDKs, Apple Wallet, Google Wallet, NFC, BLE, OSDP, Wiegand, CI/CD
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Senior Software Engineer
Long Beach or Los Angeles
$125k-$181k/yr RemoteFull Time
myPlace Health
myPlace Health: An integrated care organization focused on enabling older adults to live independently with personalized care and support.
Experience building cloud-native full-stack solutions on Microsoft Azure, REST APIs, event-driven architectures, integrations (APIs/SFTP/batch), React/Node.js, PostgreSQL/Snowflake, Azure DevOps, and Dynamics 365/Power Platform.
Microsoft Azure, React, Node.js, PostgreSQL, Microsoft Fabric, Snowflake, OAuth 2.0, Azure DevOps, Microsoft Dynamics 365, Power Platform, Copilot Agents, Power Automate, Boomi, HL7, FHIR, Power BI, Databricks, SFTP, Git
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