257 api engineer jobs at 139 companies in Fallbrook, CA

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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
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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Senior Systems Engineer
Orlando or Anaheim or Seattle or Glendale
$112k-$165k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years supporting large Atlassian environments; expertise with Atlassian Cloud, Forge app development, Jira/Confluence administration, ScriptRunner, JQL, REST API/JSON, Python or Groovy, AWS/on-prem deployments, and strong communication and troubleshooting skills.
Atlassian Cloud, Forge App Development, Jira, Confluence, ScriptRunner, Automation for Jira, JQL, REST API, JSON, Python, Groovy, AWS
2mo
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AI Engineer Manufacturing Plant AI Applications
Santa Ana, California, United States
OnsiteFull Time
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, Computer Science, or related field; strong API, coding, and data analytics skills; experience in high-mix/high-volume manufacturing preferred.
Python, Streamlit, Dash, REST APIs, Git, Databricks, MES, SPC
3w
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Data Platform Engineer, Data Pipelines
Irvine, California, United States
OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
3+ YOEBachelor's or Master's in CS/Engineering,3+ years data/backend engineering,proficiency in Python and SQL,experience with streaming,warehouse/lakehouse,ETL/CDC,APIs,monitoring,and data quality.
Python, SQL, C++, Scala, Java, Kafka, Kinesis, Pub/Sub, Airflow, Dagster, BigQuery, Snowflake, Databricks, Redshift, Fivetran, Airbyte, Debezium, REST, gRPC, webhooks, ROS, ROS2, MCAP, rosbag, dbt
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Senior Staff Systems Engineer
San Diego, California, United States
$149k-$248k/yr OnsiteFull Time
Dexcom
DexcomNASDAQ: DXCM: Develops continuous glucose monitoring systems for diabetes management.
13+ YOEExpert systems engineering for large-scale connected software-enabled products; strong architecture, requirements, risk management, and cross-functional leadership experience; deep knowledge of mobile, cloud, APIs, and regulated medical systems.
Jama Connect, Jira, TestRail, GitHub, Ketryx, Cameo, Sparx EA, SysML, AWS, Azure, GCP, Bluetooth Low Energy (BLE)
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Instrumentation Engineer and Instrumentation Designers
Ferndale or Larkspur or Billings or Remote or Remote or Orange or Remote
OnsiteFull Time
Eichleay
Eichleay: Engineering and construction management for industrial facilities.
5+ YOE5+ years in refinery/oil & gas; instrumentation design and I&C; BS in engineering; PE license preferred; ISA/ANSI/ASME/API/NFPA knowledge; on-site refinery experience preferred.
AutoCAD, NavisWorks, Bluebeam, Revit, Siemens PSS/E
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Software Engineer - Developer Advocate
San Diego or Phoenix or United States
$100k-$120k/yr HybridFull Time
Crexendo
CrexendoNASDAQ: CXDO: Provides cloud-based unified communication and contact center software platforms.
Strong engineering fundamentals with REST API experience, ability to build demo applications, write developer-facing documentation, present to clients, and collaborate with engineering teams.
REST API, Horizon, UI SDK, UCaaS, VoIP, SIP
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Trading, Investment & Optimization - QuantAI Engineer (Hybrid)
Seattle or Chicago or Los Angeles or Atlanta or Houston or Arlington or San Francisco or Morristown or Boston or Dallas or San Diego or New York
HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOEBachelor's in CS/engineering or related field; 3+ years in client-facing tech delivery; strong backend/API/full-stack or ML workflows; experience with enterprise hardening and deployment.
Electron, FastAPI, Docker, cloud services, evaluation tooling, agent orchestration frameworks, MCP-style integrations, Python, TypeScript, JavaScript
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Senior Product Security Engineer
Huntington Beach, California, United States
$150k-$175k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
5+ YOE5+ years in product/application/security engineering; programming in Python, C/C++, Rust, or Go; experience with embedded systems, Linux, APIs, CI/CD, and security frameworks (NIST); eligible for U.S. Secret clearance.
Python, C/C++, Rust, Go, Linux, CI/CD, NIST, Terraform, FPGA, GPU
3w
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Vice President, AI Ecosystem & Developer Platform
Fort Mill or Charlotte or San Diego
$164k-$273k/yr OnsiteFull Time
LPL Financial
LPL FinancialNASDAQ: LPLA: Provides wealth management and brokerage services to financial advisors.
10+ YOE5+ Mgmt10+ years in platform or software engineering with 5+ years managing platform/DX/API/AI teams and 3+ years building AI/LLM-enabled platforms; experience with Kong/Apigee/MuleSoft/AWS API Gateway/Azure API Management.
Kong, Apigee, MuleSoft, AWS API Gateway, Azure API Management, Kong AI Gateway, MCP Server
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Gen AI Infrastructure Engineer
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yr HybridFull Time
Bessemer Trust
Bessemer Trust: Wealth management and family office services for affluent clients.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB
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Warehouse Automation Engineer
Bloomington, California, United States
$140k-$150k/yr OnsiteFull Time
Steve Madden
Steve MaddenNASDAQ: SHOO: Designs and sells fashion footwear and accessories globally.
3+ YOEBachelor's in an engineering discipline and 3+ years supporting complex warehouse automation (robotics, conveyors, WCS, integrations); strong mechanical troubleshooting, software/DB familiarity, and systems integration experience.
Geek+, AutoStore, Dematic, Swisslog, KNAPP, GreyOrange, Ocado, WMS, ERP, PLCs, APIs, WCS
1w
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Forward Deployed Engineer - FDE - Remote
San Diego, California, United States
$177k-$303k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOE8+ years software engineering experience, 7+ years consulting experience, bachelor\u0002s in CS/Engineering/Data Science, experience deploying AI/ML and cloud solutions, proficiency with LLMs and stakeholder communication.
LLMs, APIs, Azure, AWS, GCP, CodeX, Claude
2w
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Security Engineer, AI Platform Engineering
Austin or San Diego
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
Experienced AI-focused security engineer who has shipped agents or LLM-based automations, builds secure backends and infrastructure, understands AI governance/DLP/monitoring, and can obtain U.S. security clearance.
LLMs, agentic loops, function calling, Infrastructure-as-Code, CI/CD, containers, APIs, data pipelines, MCP, evals
3w
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Software Engineer - eCommerce
Irvine, California, United States
$100k-$167k/yr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics CorporationTokyo Stock Exchange: 6752: Provides in-flight entertainment and connectivity systems for airlines.
10+ YOE10+ years software development experience; strong Java, Spring Boot, microservices and AWS skills; experience with NodeJS/JavaScript/TypeScript and ReactJS; RESTful APIs, databases, CI/CD and payment industry knowledge a plus.
Java, Spring Boot, AWS, NodeJS, JavaScript, TypeScript, ReactJS, OpenAPI Specification, MySQL, PostgreSQL, DynamoDB, AWS RDS/Aurora, Bash, TCP/IP, UDP, HTTP, GitLab, AWS CodePipeline, AWS CodeCommit, CDK, QuickSight, Tableau, Grafana
2mo
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Quality & Reliability Engineer (AI Systems & Workflow Assurance)
San Diego, California, United States
HybridFull Time
Clinically AI
Clinically AI: Automates documentation and compliance for behavioral health providers.
3+ YOE3+ years in QA, software testing, or reliability engineering; automated testing with Playwright or similar; frontend debugging; API validation; JS/TS; CI/CD (GitHub Actions); strong root-cause analysis; collaborative in agile.
Playwright, Cypress, Selenium, WebdriverIO, JavaScript, TypeScript, GitHub Actions
6d
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Staff Sales Engineer
San Diego, California, United States
$145k-$184k/yr OnsiteFull Time
Lytx
Lytx: Provides AI-powered video telematics and fleet management solutions.
8+ YOE8+ years in pre-sales/solutions engineering with enterprise SaaS or telematics/IoT; strong cloud, API, integration, security knowledge; executive communication and mentorship experience.
AI, machine vision, big data, IoT, cloud-based platforms, APIs
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
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Senior Engineer, Machine Learning Application Developer
San Jose or San Diego
$124k-$208k/yr OnsiteFull Time
Samsung Electronics
Samsung ElectronicsKorea Exchange: 005930: Develops and manufactures consumer electronics, semiconductors, and mobile devices.
3+ YOE3+ years with bachelor's (or 2+ with master's, or Ph.D.); strong C, C++, Python; API-level programming with Vulkan, OpenGL, OpenCL; experience with PyTorch/TensorFlow, GPU architecture, low-level profiling, and neural rendering.
C, C++, Python, Vulkan, OpenGL, OpenCL, PyTorch, TensorFlow, Assembly