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301 api developer jobs at 177 companies in Lancaster, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Software Engineer 5 - Ads Signals Conversion API
New York or Los Angeles or Los Gatos or Seattle
$388k-$619k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
Experience with server-to-server, batch and pixel Conversion APIs; streaming architectures; ad tech and privacy knowledge; collaboration; adaptability.
Kafka, Flink, Conversion APIs
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2mo
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Software Engineer 5 - Ads Signals Conversion API
New York City or Seattle or Los Angeles or Los Gatos
$388k-$619k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
Proven experience building Conversion APIs and high-volume event processing; expertise with streaming architectures (e.g., Kafka, Flink); strong ad-tech and privacy knowledge; excellent communication and collaboration skills.
Kafka, Flink
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3w
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Software Engineer, Enterprise Item
Illinois or United States or Canada or Chicago or Los Angeles or San Francisco
RemoteFull Time
Crate and Barrel
Crate and Barrel: Retails furniture, kitchenware, and home decor products.
2+ YOE2+ years software development experience; designing and supporting APIs, microservices, and integrations. Proficiency with C#/.NET, REST APIs, SQL/NoSQL, cloud platforms, CI/CD, Agile; strong problem-solving and communication.
APIs, microservices, C#, .NET, REST APIs, AWS, Azure, GCP, SQL, NoSQL, CI/CD, Product Information Management (PIM)
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1mo
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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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2mo
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Senior Software Engineer — Video Applications (FX Plug API’s)
Culver City or Cupertino or San Diego or Seattle
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
6+ YOE6+ years software engineering experience, API/SDK design, macOS development, Objective-C/Swift, concurrency, strong communication.
Objective-C, Swift, macOS, APIs, FxPlug, Concurrency
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1mo
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Staff Search Engineer (US)
San Francisco or Los Angeles or New York City or Austin or London or Manila or Warsaw or United States
$150k-$188k/yr HybridFull Time
CreatorIQ
CreatorIQ: Software for managing and measuring enterprise influencer marketing campaigns.
7+ YOE7+ years software development experience, 3+ years Elasticsearch experience, strong CS fundamentals, Go/Golang development, AWS familiarity, REST API and high-load systems experience, Git and CI/CD proficiency, English communication.
Go, Golang, TypeScript, Elasticsearch, AWS CloudWatch, AWS SQS, AWS Lambda, Java, MSSQL, AWS Redshift, Python, PHP, JavaScript, Node.js, Laravel, Symfony, Kubernetes, CI/CD, Git, REST API
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1mo
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Software Developer
Los Angeles, California, United States
$349k-$384k/yr RemoteFull Time
Fox Corporation
Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.
3+ YOEBachelor's in CS/related, 3 years experience, strong skills in JavaScript, React, HTML, CSS, TypeScript, CMS/Matrix, video playback optimization, PWA, API and infrastructure development.
JavaScript, React, HTML, CSS, TypeScript, Matrix, Progressive Web Apps (PWA)
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4w
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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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Software Engineering Intern, Backend & API
Glendale, California, United States
$25-$35/hr HybridInternship
Moon
Moon: Building an AI-powered SaaS platform for business operations.
C# coursework or project experience; REST API design; SQL and data skills; willingness to learn .NET specifics.
.NET, React, Capacitor, Python, Cursor, Copilot, Claude
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2mo
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Implementation Engineer
San Francisco or Austin or Chicago or Los Angeles or New York City or Toronto or Vancouver
$110k-$140k/yr HybridFull Time
Monks
MonksLondon Stock Exchange: SFOR: A global digital marketing and technology services agency
Strong AI system knowledge, Google AI ecosystem experience, prompt engineering, API integrations, cloud architecture, Python/Apps Script, able to train non-technical users.
Vertex AI, Gemini, Python, Apps Script, Low-code, Google Cloud, API integrations, AI toolchains
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1mo
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Founding Product Engineer
San Francisco or Los Angeles or New York City
$190k-$210k/yr HybridFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proficiency with TypeScript (React) and Go, experience with PostgreSQL and Redis, familiarity with AWS, Terraform, and Docker, API development experience, and prior B2C product experience.
TypeScript, React, Go, PostgreSQL, Redis, AWS, Terraform, Docker, REST, GraphQL, Slack, Linear, GitHub, Figma
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3mo
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Sr. Mulesoft Engineer
Los Angeles or Remote or Scottsdale
$140k-$150k/yr HybridFull Time
AXS
AXS: Provides digital ticketing and marketing solutions for live events.
3+ YOEBachelor's degree or equivalent; 3-5 years MuleSoft integration; Salesforce MuleSoft Developer certification; REST APIs; DataWeave; CloudHub; CI/CD; MUnit.
MuleSoft, Anypoint Platform, Anypoint Studio, DataWeave, CloudHub, MUnit, RAML, OpenAPI, REST, JSON, XML, SFTP, Kafka
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2w
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Full Stack Developer III
Berkeley or Los Angeles
$111k-$166k/yr HybridFull Time
PBK
PBK: Provides architectural and engineering design for specialized facilities.
7+ YOE7+ years full-stack development experience, proficiency with JavaScript/TypeScript, React, backend tech (Node.js/.NET/C#/Python), Azure, API integrations, CI/CD, and secure development practices; bachelor\u0002s degree preferred.
React, TypeScript, Node.js, .NET, C#, Python, Salesforce, Deltek Vantagepoint, Autodesk Forma, Microsoft Azure, GitHub Enterprise, Azure DevOps, Microsoft 365, Microsoft Graph API, Microsoft SharePoint, Docker, Azure Monitor, Application Insights, Log Analytics
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1mo
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Senior Software Developer - Retail Technology & Platform Engineering
Hollywood, California, United States
$130k-$150k/yr OnsiteFull Time
Chrome Hearts
Chrome Hearts: Designs and manufactures luxury jewelry, leather goods, and high-end apparel.
5+ YOE5+ years software development; strong in C#/.NET and TypeScript/JavaScript or Python; REST APIs; Azure; production support.
C#, TypeScript, Python, REST APIs, Azure, SQL
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1d
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Junior Software Engineer
South Pasadena, California, United States
$30-$35/hr OnsiteFull Time
Equity Smart Home Loans
Equity Smart Home Loans: Full-service mortgage brokerage providing residential home loan solutions.
Foundational software/web development experience; working knowledge of React, JavaScript, HTML, CSS; familiarity with APIs, Git, and cloud deployments; strong communication and troubleshooting skills.
JavaScript, HTML, CSS, React, RESTful APIs, AWS, Git, Retool, CI/CD
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2mo
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Software Engineer II
Glendale or Seattle or New York
$118k-$158k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
3+ YOE3+ years backend development experience; AI/ML engineering knowledge; API design and cloud deployments; strong communication and collaboration.
FastAPI, Flask, PyTorch, TensorFlow, GitHub, Docker, AWS, EKS, LangChain, LangGraph
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1mo
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Software Engineer
El Segundo or Los Angeles or San Francisco or Berlin or United States or China
$100k-$130k/yr HybridFull Time
JustFab
JustFab: Membership-based online retailer of fashion footwear and accessories.
2+ YOE2+ years web and Shopify development experience; strong Liquid, React, HTML/CSS/JavaScript, and Shopify API skills; Bachelor’s degree in a related field; fluent English; U.S. work authorization; Mandarin preferred.
Shopify, Liquid, HTML, CSS, JavaScript, React, Shopify APIs, Shopify Plus, Microsoft Teams, Zoom
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1mo
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Full Stack Engineer
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
Pearpop
Pearpop: Marketplace for brands to collaborate with social media creators.
5+ YOE5+ years software development; 2+ years backend with Node.js; 1+ years frontend with React; strong JS, APIs, databases, and cloud.
Node.js, React, MySQL, PostgreSQL, SQLite, Sequelize, Gravitee, OAuth, JavaScript, HTML5, CSS3, Git, GitHub Actions, Google Cloud Platform, AWS, Cloudflare, Docker, Terraform, Next.js, Redux
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2mo
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Senior AI Engineer
Boston or Los Angeles
$143k-$215k/yr RemoteFull Time
Re:Build Manufacturing
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
5+ YOE5+ years in production software; 2+ years with LLM-based apps; Python production experience; LangChain/DeepAgent or similar; API integrations; multi-agent systems; strong prompt engineering
Python, LangChain, DeepAgent, LangGraph, CrewAI, AutoGen, API integrations, Celery, RQ, Temporal, Weaviate, Pinecone, pgvector, CLAUDE, Cursor, Copilot, LLM APIs
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1w
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Sr. Software Engineer
Monterey Park, California, United States
$180k-$210k/yr HybridFull Time
Astrana Health
Astrana HealthNASDAQ: ASTH: Operates technology-powered platforms to coordinate and deliver medical care.
8+ YOE8+ years software development experience, strong Python and React/JavaScript skills, SQL proficiency, API/backend experience, leadership and mentoring ability; Bachelor’s in CS or equivalent experience.
Python, React, Javascript, SQL, Git, Docker, Kubernetes, CI/CD, Redux
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