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Web Api Developer Jobs in California (NOW HIRING)

Staffingine LLC

IBM API Developer

Torrance, CA · On-site

Web Service Proxy * XML Firewall * Implement API security mechanisms including: * OAuth 2.0 * JWT ... Collaborate with DevOps teams to automate deployments using CI/CD pipelines * Ensure compliance ...

Staffingine LLC

IBM API Developer

Torrance, CA · On-site

Web Service Proxy * XML Firewall * Implement API security mechanisms including: * OAuth 2.0 * JWT * API Keys * Mutual TLS * Develop custom logic using: * XSLT * GatewayScript (JavaScript) * Create ...

Saxon Global

API Developer

San Francisco, CA

Company Description 5-10 Years of Web Services Development experience Experience with developing REST API using Java/Spring/Tomcat Strong understanding of RESTful JSON web API design principles ...

Jobsbridge

Dot Net Web Developer

San Diego, CA

HTML5, JSON, WCF, MVC 4/5.0, Angular JS, WEB API SOA, Enterprise design pattern Stream processing systems, In-memory databases SQL SERVER 2012 R2 Experience working cross-functionally and with a ...

Jobsbridge

Dot Net Web Developer

Los Angeles, CA

HTML5, JSON, WCF, MVC 4/5.0, Angular JS, WEB API SOA, Enterprise design pattern Stream processing systems, In-memory databases SQL SERVER 2012 R2 Experience working cross-functionally and with a ...

360 IT Professionals

Java API Developer

San Jose, CA

$59.75 - $77.25/hr

Java API Developer Location : San Jose, CA - Local only Duration: 6 Months Type: W2 - Contract ... XML, web services (REST, SOAP) RESTful API design and implementation experience Well-versed in ...

Extron

Web Application Developer

Anaheim, CA · On-site

$85K - $95K/yr

WEB APPLICATION DEVELOPER Company Overview: Extron is a leading developer and manufacturer of ... NET/C#/MVC/Web API and the .NET Framework. * 2 years with Microsoft SQL Server, T-SQL, Stored ...

New

NextDeavor Inc.

.Net Developer/Angular Developer

Irvine, CA · On-site

$57.82 - $60.54/hr

.Net Developer/Angular Developer Full-time Irvine, CA Exclusive confidential search -- details ... NET code and develop/maintain RESTful Web API services and WCF where needed * Create and maintain ...

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Web Api Developer information

See California salary details

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$44

$71

How much do web api developer jobs pay per hour?

As of Jul 13, 2026, the average hourly pay for web api developer in California is $44.53, according to ZipRecruiter salary data. Most workers in this role earn between $34.18 and $53.85 per hour, depending on experience, location, and employer.

What is the difference between Web Api Developer vs Backend Developer?

AspectWeb Api DeveloperBackend Developer
Required SkillsAPI design, RESTful services, programming languages (e.g., Java, Python)Server-side logic, database management, programming languages (e.g., Java, Python, PHP)
Work EnvironmentDeveloping and maintaining APIs, often collaborating with frontend teamsBuilding server-side applications, managing databases, and integrating systems
Industry UsageWeb services, SaaS, mobile app backendsWeb applications, enterprise systems, software solutions

Web Api Developers focus primarily on designing and implementing APIs that enable communication between different software systems. Backend Developers work on the server-side logic, database management, and overall application architecture. While both roles require programming skills and often overlap, Web Api Developers specialize in API endpoints and integrations, whereas Backend Developers handle broader server-side development tasks.

What are the key skills and qualifications needed to thrive as a Web API Developer, and why are they important?

To thrive as a Web API Developer, you need strong programming skills in languages such as JavaScript, Python, or C#, along with a solid understanding of RESTful principles and API design best practices. Familiarity with frameworks like Node.js or .NET, experience using tools like Postman, and knowledge of authentication protocols (e.g., OAuth) are typically required. Excellent problem-solving, communication, and collaboration skills help developers work effectively with cross-functional teams and address integration challenges. These competencies are vital for building robust, scalable APIs that enable reliable data exchange and power modern web and mobile applications.

What are Web API Developers?

Web API Developers are software professionals who design, build, and maintain application programming interfaces (APIs) for web-based systems. They enable different software applications to communicate with each other over the internet by creating secure, scalable, and efficient endpoints. Web API Developers typically use technologies such as REST, HTTP, JSON, and frameworks like Node.js, .NET, or Django to build APIs. Their work is essential for enabling front-end applications, mobile apps, or third-party services to interact with back-end systems.

What are some common challenges Web API Developers face when working on large-scale applications?

Web API Developers working on large-scale applications often encounter challenges such as ensuring consistent API versioning, maintaining backward compatibility, and optimizing performance for high traffic. Security is another major concern, requiring careful implementation of authentication and authorization. Additionally, collaborating with front-end teams and other backend services demands clear documentation and robust communication to align on data contracts and integration points.
What are popular job titles related to Web Api Developer jobs in California? For Web Api Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Web Api Developer jobs in California look for? The top searched job categories for Web Api Developer jobs in California are:
Web Api Developer jobs near you
IBM API Developer

IBM API Developer

Staffingine LLC

Torrance, CA • On-site

Contractor

Re-posted 23 days ago

Job description

Job Title: IBM API Developer (APIConnect)
Job Location: Torrance, CA
Job Type: Contract

Job Description:

We are looking for an experienced Integration / API Developer with strong hands-on expertise in IBM DataPower API Gateway and IBM API Connect (APIC). The role involves designing, developing, securing, and supporting enterprise APIs and integrations while ensuring high performance, scalability, and security.

  • Design, develop, and maintain APIs using IBM API Connect
  • Implement API mediation, routing, transformation, and security using IBM DataPower API Gateway
  • Develop and configure DataPower services such as:
    • Multi-Protocol Gateway (MPGW)
    • Web Service Proxy
    • XML Firewall
  • Implement API security mechanisms including:
    • OAuth 2.0
    • JWT
    • API Keys 
    • Mutual TLS
  • Develop custom logic using:
    • XSLT
    • GatewayScript (JavaScript)
  • Create and manage OpenAPI / Swagger specifications
  • Configure SSL/TLS, crypto profiles, certificates, and key management in DataPower
  • Integrate APIs with backend systems such as:
    • REST/SOAP services
    • Databases
    • IBM MQ
  • Troubleshoot and resolve API and gateway issues using logs, probes, and traces
  • Support API lifecycle activities including deployment, versioning, and retirement
  • Collaborate with DevOps teams to automate deployments using CI/CD pipelines
  • Ensure compliance with enterprise security and governance standards
  • Prepare technical documentation and support knowledge transfer activities