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139 api engineer jobs at 81 companies in Oxnard, 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
3w
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Customer Success Automation Engineer
San Francisco or Culver City or Dallas or Los Angeles
HybridFull Time
Altruist
Altruist: Provides a digital custodian and portfolio management platform for advisors.
5+ YOE5+ years software engineering with production experience; strong product instincts; experience with LLMs, agent frameworks, Python, APIs, webhooks, Salesforce; customer-focused and data-driven.
Python, LLMs, OpenAI, Anthropic, Gemini, LangChain, LlamaIndex, CrewAI, RAG architectures, APIs, webhooks, Salesforce, Service Cloud, Experience Cloud, Apex, Flow, Salesforce APIs
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1mo
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Systems Engineer, Mid
El Segundo, California, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years systems engineering for DoD space ground systems, 3+ years mission integration, Python scripting, ICD/API development, MBSE/Digital Engineering, Microsoft Office suite, TS/SCI clearance, bachelor’s in engineering/math/physics/CS.
Python, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, Jira
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1mo
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Systems Engineer, Mid
El Segundo, California, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOETS/SCI clearance required; 5+ years systems engineering on DoD ground-based space systems; 3+ years integrating missions; Python scripting; ICDs/API definitions; MBSE/Digital Engineering experience; EMR not applicable; Bachelor's in engineering, math, physics, or CS.
Python, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, Jira
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2w
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Lead System Engineer
Goleta, California, United States
$188k/yr RemoteFull Time
Deckers Brands
Deckers BrandsNYSE: DECK: Designs and markets global footwear and lifestyle performance brands.
7+ YOEBachelor's degree or equivalent in CS/IT/Engineering; 7 years implementing/configuring/customizing FlexPLM; experience with Java, Javascript, JSP, REST APIs, Eclipse, IntelliJ, SVN/GitHub, and SQL against FlexPLM.
Product Lifecycle Technology (PLT), FlexPLM, FlexPLM Database, Java, Javascript, JSP, REST APIs, Eclipse, IntelliJ, SVN, GitHub, SQL
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1mo
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Synthetics Supply Manufacturing Engineer
Thousand Oaks, California, United States
$88k-$119k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
0+ YOEChemical engineering experience for small-molecule API production, reaction scale-up (up to 100 L), equipment maintenance/qualification, GLP/GMP batch record creation, project management, and cross-functional collaboration.
Delta V, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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Staff Solutions Engineer, Level 6
Los Angeles or Seattle or San Francisco or Palo Alto or New York City or Bellevue or Santa Monica
$229k-$343k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOESenior solutions engineer with 9+ years experience, BS in technical field or higher, strong code, APIs/SDKs, and cross-functional collaboration.
JavaScript, TypeScript, HTML, CSS, Java, Golang, Node.js, Python, React, Angular, Vue.js, NodeJs
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2mo
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Sr. Heat Exchanger Engineer
El Segundo, California, United States
$165k-$180k/yr OnsiteFull Time
Arbor Energy
Arbor Energy: Building advanced power systems for clean, carbon-negative electricity.
10+ YOESenior mechanical/thermal engineer with 10+ years in heat exchanger design; experienced with PCHEs, shell-and-tube, ASME/ API 661; startup/R&D background.
HTRI, Python, MATLAB
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2mo
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Senior Software Systems Engineer
El Segundo, California, United States
$121k-$151k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelor's degree in CS/Software/Systems engineering; 5 years software systems engineering or integration; ability to obtain/maintain Secret clearance; strong communication; knowledge of secure SDLC, SOA/microservices, and DoD collaboration.
Docker, Kubernetes, AWS GovCloud, Azure Government, Jira, Confluence, DevSecOps tools, RMF, API design
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2w
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Mechanical Engineer - Onsite - Chatworth, CA
Chatsworth, California, United States
OnsiteFull Time
GP Strategies
GP Strategies: Provides global workforce transformation and managed learning services.
Bachelor's in Mechanical Engineering required; experience in aerospace/pressure systems with leadership/project responsibilities; expertise in ASME pressure vessel and piping codes, cycle life analysis; proficiency with AutoCAD, SolidWorks, Microsoft Office and Project; PE and API certifications preferred; able to lift 50 lbs and travel up to 20%; ...
AutoCAD, SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams, Microsoft Project
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3d
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Backend Software Engineer
United States or Goleta
$123k-$170k/yr HybridFull Time
Roper Technologies
Roper TechnologiesNASDAQ: ROP: Provides niche vertical software and technology-enabled solutions.
5+ YOE5+ years backend experience with C#/.NET and SQL; bachelor\u0002s degree in CS or related field; strong skills in concurrent processing, API and data pipeline design, and clear technical communication.
C#, .NET, SQL Server, SQL
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1mo
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Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
AWS, S3, DynamoDB, Kinesis, Kafka, Java, Python, API Design, Microservices, Distributed Systems, Cloud
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1mo
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Forward Deployed Engineer | Americas
Pacific Palisades or Boston or New York
$170k-$250k/yr OnsiteFull Time
Planhat
Planhat: Customer success platform for managing customer relationships and revenue.
3+ YOE3–6 years technical experience, customer-facing, willingness to travel, strong SQL and data modeling, Python or scripting, API integration (REST/GraphQL), familiarity with AI tools and data pipelines.
SQL, Python, REST, GraphQL, ETL, ELT
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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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4w
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Senior Java Engineer
Santa Monica, California, United States
$101k-$187k/yr OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops computer software, consumer electronics, and video games.
5+ YOE5+ years backend engineering experience with Java and Spring/Spring Boot; experience building APIs, microservices, cloud/distributed systems, relational data, testing, CI/CD, and containerized deployments; mentoring ability.
Java, Spring, Spring Boot, REST, APIs, Microservices, CI/CD
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1mo
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Principal Software Engineer
New York or Santa Monica
$197k-$265k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
10+ YOE10+ years in software engineering with architecture and distributed systems; BS in CS/IS/ENG or related field; strong cloud, microservices, API design; proficient in Java/Python; hands-on coding; excellent communication.
AWS, S3, DynamoDB, Kinesis, SQS, Kafka, Java, Python, Microservices, APIs, Data modeling, Design patterns
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3mo
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Customer Success Engineer
Santa Barbara, California, United States
$60k-$90k/yr OnsiteFull Time
Unwrap
Unwrap: AI platform that analyzes customer feedback to provide product insights.
2+ YOE2+ years in technical or customer support engineering, SaaS or AI-driven products; proficient with APIs, SQL, and basic Python; strong communicator; located in or willing to relocate to Santa Barbara; able to work in person.
SQL, Python, APIs, Databases
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1mo
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AI Systems Engineer
Santa Monica, California, United States
HybridFull Time, Part Time
M|R Walls
M|R Walls: Designs and builds 3D carved architectural wall products.
Experienced software/AI engineer with Python and API/database integration skills; build AI agents, automations, and workflows using tools like OpenAI, Claude, OpenClaw, Hermes, and Vercel; strong systems-thinking and communication.
Python, APIs, databases, OpenAI, OpenAI APIs, Claude, Claude Code, Codex, MCP servers, OpenClaw, Hermes, Hermes Agent, Vercel, Midjourney, FAL, Flux, Airtable, Make, n8n, GitHub
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1w
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Software Engineer
El Segundo, California, United States
$140k-$190k/yr OnsiteFull Time
Smack Technologies
Smack Technologies: Develops defense-focused AI software for national security applications.
Professional experience building and operating production software; proficiency in Python or Go; experience with strongly typed languages, APIs, Kubernetes, deployments, and collaborative engineering.
Python, Go, Java, C#, C++, REST, gRPC, GraphQL, Kubernetes
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2mo
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Lead Full-Stack Engineer
Culver City, California, United States
OnsiteFull Time
Sharp Performance
Sharp Performance: Cognitive coaching platform for high-stress frontline professionals.
7+ YOE1+ Mgmt7+ years of full-stack JS/TS experience with Next.js or Vue; led small teams; strong product instincts; built from 0 to 1.
JavaScript, TypeScript, Next.js, Vue.js, APIs, Relational databases
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1mo
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Staff Engineer I - Software Engineer
Westlake Village or Irvine or Dallas
$122k-$151k/yr OnsiteFull Time
Western Alliance Bank
Western Alliance BankNYSE: WAL: National commercial bank providing specialized financial and business solutions.
5+ YOE5+ years software development experience; Bachelor's degree required; proficiency with TypeScript, React, Angular, REST API, Azure/AWS and Azure DevOps; leadership experience, financial services and regulatory knowledge; up to 10% travel.
React, Angular, TypeScript, HTML, CSS, REST API, Azure, AWS, Azure DevOps
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