260 api developer jobs at 147 companies in Fallbrook, CA

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Exec Director, API Synthetic Development
San Diego, California, United States
$244k-$333k/yr OnsiteFull Time
Neurocrine Biosciences
Neurocrine BiosciencesNASDAQ: NBIX: Develops pharmaceuticals for neurological, endocrine, and psychiatric disorders.
12+ YOEAdvanced degree in chemistry plus 12–16+ years pharmaceutical/process development experience, deep organic/process chemistry knowledge, cGMP manufacturing expertise, CRO/CMO leadership, program and people management, and strong communication skills.
1mo
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Cloud & API Platforms Practice Lead (AVP)
St. Louis or Chicago or Boston or Houston or Dallas or Irvine or Minneapolis or Detroit or Alpharetta or New York City
$150k-$250k/yr OnsiteFull Time
Perficient
Perficient: Provides digital transformation and AI consulting for global enterprises.
10+ YOE5+ Mgmt10–15 years experience with 5+ years leading practices; expertise in Platform API and IBM Cloud solutions, hands-on consulting, GTM strategy, partner/channel relationships, AI delivery knowledge, and willingness to travel.
MuleSoft, Apigee, Boomi, Workato, TIBCO, Terraform, IBM Cloud
1mo
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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
3w
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Software Developer (Salesforce)
Irvine, California, United States
$100k-$155k/yr HybridFull Time
Hyundai Capital
Hyundai Capital: Provides automotive financing and insurance services for vehicle customers.
5+ YOE5–7 years Salesforce development experience; strong Apex, Flow, Salesforce customization, integrations, APIs, asynchronous processing, and CI/CD; bachelor\u0002s degree preferred.
Salesforce, Apex, Flow, APIs, CI/CD
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
3w
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Software Developer (Salesforce)
Irvine, California, United States
$100k-$155k/yr HybridFull Time
Hyundai Capital
Hyundai Capital: Provides automotive financing and leasing for Hyundai Motor Group.
5+ YOE5–7 years Salesforce development experience; strong Apex, Flow, Salesforce customization, integrations, APIs, and CI/CD knowledge; preferred Salesforce certifications and Financial/Automotive Cloud experience; bachelor's degree preferred.
Apex, Flow, Salesforce, Financial Services Cloud, Automotive Cloud, APIs, CI/CD
2mo
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Developer Relations Engineer
Seattle or Boston or Costa Mesa
$132k-$198k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Experience as a developer advocate/evangelist/solutions or sales engineer; experience building web or IoT apps (front- and back-end); familiarity with API technologies (REST or gRPC); strong communication and content-creation skills; must be a U.S. Person.
Lattice SDK, Lattice OS, REST, gRPC
2mo
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Debt Solutions - Senior Software Engineer
San Diego, California, United States
$124k-$202k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
7+ YOEBachelor's degree required; 7+ years professional software development; strong OOP; experience with C#, .NET, Web API, Node, JavaScript/React, SQL Server; Git/TFS; experience with AI-assisted development workflows (GitHub Copilot, Claude Code) preferred.
GitHub Copilot, Claude Code, C#, .NET Framework, Web API, Node, JavaScript, React, SQL Server, Git, TFS, AWS, Azure, Redis, Neo4j
2mo
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Senior AI Software Engineer
San Diego, California, United States
$115k-$160k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
4+ YOE4+ years of software development; strong Linux (RHEL); experience with LLMs, AI tooling; advanced C/C++; GitLab CI/CD; Python; APIs and large-scale systems.
Red Hat Enterprise Linux, GitLab, C/C++, Python, LLMs, RAG, APIs, CI/CD
3w
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Salesforce Developer
Irvine, California, United States
$130k-$150k/yr HybridFull Time
Mutual of Omaha Mortgage
Mutual of Omaha Mortgage: Provides residential mortgage lending and refinancing services to homeowners.
4+ YOEBachelor's or equivalent,4+ years Salesforce development experience,APEX,LWC,Flows,Visualforce,integrations,REST APIs,Git and Salesforce CLI,JavaScript/Jest,ability to work in Irvine office twice weekly.
Salesforce.com, Force.com, Apex, LWC, Flows, Visualforce, Lightning Component Framework, RESTful services, Git, Salesforce CLI, JavaScript, Jest, Frontier model APIs
2w
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Senior Software Engineer
San Diego, California, United States
$124k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
Bachelor's degree required. Strong C#/.NET experience, hands-on AWS, experience using Claude for AI-assisted development, API and backend development skills, software design and mentorship experience.
C#, .NET, .NET Core, Claude, AWS, EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, Databricks, Terraform, CloudFormation, CDK, Git
2mo
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Full-Stack Developer
Loma Linda, California, United States
$50-$67/hr HybridFull Time
Loma Linda University Health
Loma Linda University Health: Nonprofit academic medical center providing healthcare and higher education.
3+ YOEBachelor's degree in CS or related field; 3+ years full-stack and Drupal development; HTML/CSS/JS; PHP; Drupal 10+; REST APIs; Git; CI/CD; Agile.
HTML, CSS, JavaScript, Drupal, PHP, MySQL, Git, RESTful APIs, Composer, NPM, Vite, Gulp, CI/CD, Drush
1mo
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Sr. Software Developer
Orange or Arizona or California or Florida or Maryland or Maine or Michigan or Missouri or North Carolina or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Texas or Utah or Washington or Wyoming
$120k-$145k/yr RemoteFull Time
Aeries Software
Aeries Software: Provides student information management software for K-12 school districts.
7+ YOE7+ years professional software development with Microsoft .NET stack, experience with React/TypeScript, RESTful API design, Playwright, cloud deployments (AWS preferred), practical use of Claude or similar LLM agent tools, and demonstrated technical leadership.
ASP.NET WebForms, React, TypeScript, C#, .NET Web API, RESTful API, Claude, Redux Toolkit, Zustand, Playwright, CI/CD, Azure DevOps, AWS, ECS, Lambda, Step Functions, Bedrock, Azure, GCP
2w
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Interface Developer (Pentaho & Enterprise Integrations)
San Diego or United States
$64k-$149k/yr RemoteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
3+ YOE3+ years designing and developing enterprise integrations with Pentaho and ETL, RESTful APIs, strong SQL, and experience with ERP/cloud integrations; Bachelor’s in CS/IS/Engineering required.
Pentaho, RESTful (Rest-APIs), Agile, Atlassian Confluence, Jira, Git, Oracle, SQL Server, PostgreSQL, OAuth 2.0, JWT, SSL/TLS, JSON, XML, HTTP
2w
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Senior Software Engineer (MCP Servers)
Irvine or Dallas
$129k-$160k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
5+ YOEBachelor's degree or equivalent experience,5+ years software development,proficiency in Python,JavaScript/Node.js,Java,API and AI integration experience with MCP and Apigee X,API security and CI/CD experience.
MCP, Apigee X, Apigee XT, MCP Inspector, Python, JavaScript, Node.js, Java, HTTP, gRPC, WebSocket, OAuth, JSON Web Tokens (JWT), Spike Arrest, OpenAPI, Jenkins, Git, Maven, Apigee Analytics, Google Authentication
1mo
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Software Engineer
San Diego, California, United States
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
3+ YOEBachelors in CS/math/physics, 3+ years software engineering experience, active Secret clearance, proficiency in Java and TypeScript, API design, full-stack web development, and strong communication skills.
Java, TypeScript, MongoDB, RabbitMQ, Spring Boot, React, Redux, WebGL, OpenGL, AWS, Docker, Kubernetes, Git, CI/CD
1mo
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Senior Full Stack Developer
Carlsbad, California, United States
$125k-$150k/yr OnsiteFull Time
Rockstar Games
Rockstar Games: Creates and publishes world-class open-world video games.
7+ YOE7+ years web development experience; strong expertise in C#, .NET, and SQL; experience with React, REST APIs, GitHub, Agile; mentoring and strong communication skills.
C#, .NET, SQL, React, REST APIs, GitHub, Python, Next.js, Kafka, TeamCity, Jenkins, Postman, Bruno, MongoDB, Elastic Stack
2mo
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Software Engineer, Safari Extensions
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Engineer to design browser extension platform focusing on user privacy, user and developer experience, building on the WebKit engine to deliver APIs and tools.
WebKit, Safari, iOS, macOS
3d
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Full Stack Senior Software Engineer (Remote in CA)
Santa Ana or California
$129k-$172k/yr RemoteFull Time
First American Financial
First American FinancialNYSE: FAF: Provides title insurance and settlement services for real estate.
5+ YOE5+ years software development with Python and cloud-native Azure experience, React/TypeScript web development, REST APIs, relational databases, AI/LLM integration, Docker/Kubernetes, CI/CD, and a bachelor's in CS or equivalent.
Python, Azure (App Services, Functions, Azure OpenAI, AI Services), React, JavaScript/TypeScript, REST API, PostgreSQL, MySQL, SQL Server, MongoDB, Cosmos DB, LLMs, RAG, AI APIs, Docker, Kubernetes, Linux, Windows, Azure, Git, GitLab, GitHub, Azure DevOps, NPM Package Management, CI/CD Pipelines
4w
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Enterprise Automation & AI Developer
Newport Beach, California, United States
$150k-$185k/yr RemoteFull Time
Exante360
Exante360: A technology design and consulting firm that provides ICT and low-voltage systems design and software solutions.
5+ YOE5+ years software development, bachelor\u0002s in engineering/computer science or equivalent, full-stack development (backend and frontend), QA automation experience, experience with APIs, databases, deployments, and use of AI coding tools.
Python, Node.js, TypeScript, C#, Java, React, Next.js, Vue, Angular, Playwright, Cypress, Selenium, Jest, PyTest, Postman/Newman, Revit, Autodesk Construction Cloud, BIM 360, Git