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688 api engineer jobs at 349 companies in Buena Park, CA

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Manager, AI Engineer
Los Angeles or San Francisco or Denver or Orlando or Tampa or Atlanta or Chicago or Boston or Short Hills or New York City or Harrisburg or Austin or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
5+ YOE2+ MgmtRequires 5+ years in AI/ML, data engineering, or cloud solution engineering; 2+ years in consulting or client-facing leadership; bachelor's degree; Python, cloud AI, APIs, microservices, containers, CI/CD, and MLOps expertise.
Microsoft Azure, AWS, Google Cloud, Salesforce, Azure AI/ML, AWS Bedrock, Amazon SageMaker, Google Cloud Vertex AI, Python, API, microservices, containers, CI/CD, MLOps
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2mo
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Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
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2w
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Software Systems Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOEBachelor's degree in computer science or engineering, 7+ years software engineering, 5+ years SATCOM or related systems experience, Secret clearance, and expertise in requirements, architectures, ICDs, APIs, DevSecOps, and cybersecurity.
Artificial Intelligence (AI), cyber, DevSecOps, API, CI/CD, Agile, SAFe, RMF, UML, SysML, DoDAF, UPDM, UAF, Cameo, MagicDraw, Rhapsody, Sparx Enterprise Architect, MBSE, AI/ML
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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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1mo
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Manufacturing Systems Engineer
Torrance, California, United States
$184k-$257k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
3+ YOE3+ years manufacturing/systems engineering experience; MES administration (Manufacturo or similar); MES–ERP integrations; working with CSV/JSON and APIs; strong floor presence, communication, and troubleshooting; bachelor's in engineering or equivalent experience.
Manufacturing Execution System (MES), Manufacturo, iBase-t Solumina, Tulip, Siemens Opcenter, ERP, SAP S/4HANA, NetSuite, Odoo, PLM, CSV, JSON, API
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2mo
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Safety Engineer III
Pasadena, California, United States
$122k-$148k/yr OnsiteFull Time
Jet Propulsion Laboratory
Jet Propulsion Laboratory: Leading robotic space exploration and planetary research for NASA.
6+ YOEDegree in engineering or science with 2–6+ years related experience depending on degree; ASNT NDE Level III and AWS CWI qualifications; experience leading NDT operations and interpreting ASME/API codes; ability to train and certify NDT personnel.
ASME Boiler and Pressure Vessel Code, API standards, ASNT NDE, Ultrasonic Testing (UT)
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2mo
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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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2mo
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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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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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1mo
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Principal Engineer, Architecture
Glendale, California, United States
$320k-$380k/yr OnsiteFull Time
Moon
Moon: Building an AI-powered SaaS platform for business operations.
12+ YOE12+ years engineering experience with staff/principal scope; expertise in distributed systems, data modeling, API design, security; strong mentorship and technical writing skills.
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2w
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Senior Solutions Engineer
Los Angeles or New York or San Francisco
$140k-$170k/yr HybridFull Time
Tatari
Tatari: A platform for buying and measuring TV advertising campaigns.
5+ YOERequires 5+ years as a software engineer and with data systems, hands-on SQL, API and SDK development, workflow automation, complex project ownership, client communication, and engineer mentoring.
Python, SQL, AWS, Amazon S3, Amazon CloudFront, PostgreSQL, Kafka, Storm, Claude Code, Cursor, Codex, REST, GraphQL, Amazon API Gateway, n8n, Zapier, GDPR, CCPA
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1mo
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Senior Solutions Engineer
New York City or Los Angeles or United States
$140k-$170k/yr HybridFull Time
VideoAmp
VideoAmp: Software and data for cross-platform advertising measurement and optimization.
6+ YOE6+ years in technical client-facing roles, strong SQL, API and database skills, experience with large datasets, excellent communication, and technical troubleshooting abilities.
APIs, SQL, databases, scripting languages
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3mo
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Sr. Platform Engineer
Irvine, California, United States
$129k-$161k/yr OnsiteFull Time
Origence
Origence: Provides lending technology and origination solutions for credit unions.
5+ YOE5+ years software engineering, proficiency in C#/Python/TypeScript, Azure and Terraform experience, CI/CD and API design experience, observability and automation skills.
C#, .NET, Python, TypeScript, Node.js, Azure DevOps, Terraform, Datadog, OpenTelemetry, Docker, Kubernetes, PowerShell, Backstage, GitHub Copilot
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2mo
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Systems Engineer, Senior
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOERequires 8+ years systems engineering for DoD space ground systems, 5+ years integrating missions, TS/SCI clearance, Bachelor's in Engineering/Math/Physics/CS, Python and MBSE experience, ICD/API development, and Microsoft Office proficiency.
Python, Model-Based Systems Engineering (MBSE), Digital Engineering, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, Jira
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1mo
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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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6d
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AI Automation Engineer
Campinas or São Paulo or Los Angeles or Austin or New York City or San Francisco or London or Manila or Warsaw
R$350k-R$415k/yr HybridFull Time
CreatorIQ
CreatorIQ: Software for managing and measuring enterprise influencer marketing campaigns.
3+ YOERequires 3+ years building internal tools, automations, or software in SaaS; proficiency with AI, automation, APIs, SQL, Salesforce, Snowflake, and English communication.
Claude Code, Vercel, n8n, Salesforce, Snowflake, HubSpot, Slack, SQL, Snowflake CoCo, Claude, OpenAI, MCPs, APIs, webhooks, Dokploy
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2mo
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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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1w
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Knowledge Engineer - Back End
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$26-$94/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Python, Java, REST API, Docker, Kubernetes, GraphQL, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, Kafka, RabbitMQ, Terraform, Helm
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3w
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Senior Software Engineer I
Long Beach, California, United States
$132k-$160k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOE5+ years software engineering experience, expertise in Python, backend architecture, CI/CD, containerization, Git, Kubernetes, REST APIs; US citizenship required.
Python, Git, Kubernetes, CI/CD, Jira, Redmine, Pandas, Numpy
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1mo
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API 510/570 Inspector
Torrance, California, United States
OnsiteFull Time
Acuren
Acuren: Provider of inspection, NDE, and industrial asset integrity services.
2+ YOEAPI 510/570 certification required, 5–10 years experience (or 2+ years on-site), API 653/CWI a plus, in-depth knowledge of API 510/570 and ASME, experience supporting petrochemical engineers.
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