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527 api engineer jobs at 292 companies in Los Angeles, 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
3mo
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API 653 Inspector
Harbor City, California, United States
$94k-$114k/yr OnsiteFull Time
Team
TeamNYSE: TISI: Provides industrial asset integrity, inspection, and specialty mechanical services.
Inspect mechanical integrity per codes; API 653; field-based; travel; certifications.
NDT, RBI, IDMS, digital inspection tools
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3mo
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NDT Level II / CWI / API - ATS Santa Fe Springs, CA - Permanent (56244)
Santa Fe Springs, California, United States
$25-$45/hr OnsiteFull Time
Applied Technical Services
Applied Technical Services: Provides specialized testing, inspection, calibration, and forensic engineering services.
NDT Level II with CWI/API; read technical docs; adapt to schedule; data management; report results; safe work; pass drug screen; valid driver's license.
NDT methods, CWI, API, data entry
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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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4w
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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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3w
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Senior Partner Engineer
United States or Canada or Los Angeles or San Francisco
$146k-$225k/yr RemoteFull Time
Affirm
AffirmNasdaq: AFRM: Financial platform providing installment loans for consumer purchases.
4+ YOE4+ years in solutions/partner/sales engineering or similar; familiarity with ecommerce technologies, JSON, HTML, REST APIs, Webhooks, monitoring tools; strong communication and project management skills.
Shopify, Stripe, JSON, HTML, REST API, Webhook
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2w
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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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2d
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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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4w
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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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3mo
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Creative Engineer
Los Angeles, California, United States
OnsiteFull Time
Secret Level
Secret Level: AI-native entertainment studio producing film, TV, and advertising content.
Strong engineering background; hands-on generative AI experience; building or customizing pipelines; API and tool familiarity; collaboration with creative teams.
Python, JavaScript, ComfyUI, Kling, Google Veo, Seedance, Higgsfield, Nano Banana
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1mo
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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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2w
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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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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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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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3w
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Civil engineering, program management, and infrastructure planning firm.
4+ YOEBachelor's in engineering required, 4+ years ILI engineering experience, experience with integrity and direct assessments, proficiency with AMPP/CP/API 579, strong data analysis and technical documentation skills, Microsoft Office proficiency.
In-line Inspection (ILI), Direct Assessment (DA), AMPP, CP1, CPs, CP3, API 579, Microsoft Office Suite
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6d
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Senior AI Engineer
Irvine, California, United States
$90k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE5+ years software/data/AI engineering experience; hands-on AWS, Databricks/Apache Spark, graph databases, backend APIs, CI/CD; familiarity with LLM integrations and data governance.
AWS, Neptune, OpenSearch, DynamoDB, ElastiCache (Redis), IAM, CloudWatch, Databricks, Apache Spark, LangGraph, AutoGen, CrewAI, Java, Spring Boot, Node.js, CI/CD
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1mo
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Lead Engineer
New York City or Los Angeles or Miami or London
$180k-$200k/yr HybridFull Time
Duetti
Duetti: Acquires and manages music catalogs for independent creators.
5+ YOE1+ Mgmt5+ years software engineering experience, 1+ year leading teams. Expert backend Python, API and distributed systems design, cloud native/AWS, Kubernetes, Docker, Terraform, CI/CD, production scalability, strong communication and leadership.
Python, AWS, Kubernetes, Docker, Terraform, CI/CD
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2mo
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Post Production Automation Engineer
Los Angeles or United States
$120k-$160k/yr HybridFull Time
TubeScience
TubeScience: Creates performance-optimized video advertisements for social media platforms.
4+ YOE4–6+ years in post-production engineering or workflow automation; strong Python/JavaScript; REST API experience; Iconik MAM expertise; experience with LLMs and automation tools; knowledge of codecs and cloud-native workflows.
Python, JavaScript, Node.js, REST API, Iconik MAM, n8n, Make, Zapier, Adobe CEP/UXP, AWS, Google Cloud, LucidLink
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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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2mo
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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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