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Api Developer Jobs in California (NOW HIRING)

IBM API Developer (APIConnect) Job Location: Torrance, CA Job Type: Contract We are looking for an experienced Integration / API Developer with strong hands-on expertise in IBM DataPower API Gateway ...

IBM API Developer (APIConnect) Job Location: Torrance, CA Job Type: Contract * Design, develop, and maintain APIs using IBM API Connect * Implement API mediation, routing, transformation, and ...

API Developer to provide mapping and data content analysis leveraging Teradata SQL skills. In addition to Java and/or C# development for highly complex APIs associated with FHIR (Fast Healthcare ...

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 ...

Java API Developer

San Jose, CA · On-site

$59.75 - $77.25/hr

Java API Developer Location : San Jose, CA - Local only Duration: 6 Months Type: W2 - Contract Interview Mode: Phone and Face to Face Candidates must: Be very proficient in REST principles Have API ...

Backend API Developer Location: San Leandro, CA Experience: 8-10+ Years Employment Type: Contract Work Type: Onsite Job Responsibilities * Design, develop, and maintain scalable, secure, and high ...

... developer experience is just as carefully crafted as Apple's end-user hardware and software ... Description Our team provides API design guidance, consulting, and outreach to framework ...

... developer experience is just as carefully crafted as Apple's end-user hardware and software ... Description Our team provides API design guidance, consulting, and outreach to framework ...

... developer experience is just as carefully crafted as Apple's end-user hardware and software ... Description Our team provides API design guidance, consulting, and outreach to framework ...

About the Team API Multimodal builds the developer-facing products and infrastructure that bring OpenAI's image, audio, and real-time model capabilities into the world. We are responsible for high ...

New

Senior Java REST API Developer

Palo Alto, CA

$67.25 - $85.75/hr

- Extensive programming experience - Experience with REST API development and consumption - Application development using Object Oriented Analysis and Design - Strong unit test and debugging skills ...

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

Company Description Intelliswift Software, Inc - Extensive programming experience - Experience with REST API development and consumption - Application development using Object Oriented Analysis and ...

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

- Extensive programming experience - Experience with REST API development and consumption - Application development using Object Oriented Analysis and Design - Strong unit test and debugging skills ...

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Api Developer information

See California salary details

$10

$59

$76

How much do api developer jobs pay per hour?

As of Aug 5, 2026, the average hourly pay for api developer in California is $59.10, according to ZipRecruiter salary data. Most workers in this role earn between $53.85 and $66.44 per hour, depending on experience, location, and employer.

How much does an API developer make?

API developers typically earn a median annual salary ranging from $80,000 to $120,000, depending on experience, location, and industry. Skilled developers with knowledge of REST, SOAP, and programming languages like Python or Java tend to command higher salaries, especially if they hold certifications or work in high-demand sectors.

What does a typical workday look like for an API developer?

A typical workday for an API Developer involves designing, coding, and testing APIs to ensure they meet business requirements and function optimally. You’ll frequently troubleshoot integration issues, review code for security and performance, and collaborate closely with front-end, back-end, and product teams to address evolving project needs. Daily tasks may include updating API documentation, participating in agile sprint meetings, and responding to technical support queries from other developers or partners. The work environment is often dynamic and collaborative, with a strong emphasis on continuous learning and adapting to new technologies.

Are API developers in demand?

API developers are in high demand due to the increasing reliance on web services and integrations across industries. Skills in REST, SOAP, and cloud platforms like AWS or Azure enhance job prospects, and many organizations seek professionals who can design, develop, and maintain APIs efficiently.

What does an API developer do?

An API Developer is responsible for designing, building, and maintaining application programming interfaces (APIs) that enable software applications to communicate with each other. They ensure APIs are secure, scalable, and efficient, often working with technologies like REST, GraphQL, and SOAP. API Developers collaborate with front-end and back-end teams to integrate systems and improve functionality. Their role also involves debugging, optimizing performance, and documenting API usage.

What are the key skills and qualifications needed to thrive as an API developer?

To thrive as an API Developer, you need strong programming skills in languages like JavaScript, Python, or Java, as well as a solid understanding of RESTful and SOAP API protocols. Proficiency with tools such as Postman, Swagger, and familiarity with API security, cloud platforms, and relevant certifications (like AWS Certified Developer) are commonly required. Excellent problem-solving abilities, attention to detail, and clear communication skills help you collaborate effectively and navigate complex development challenges. These capabilities are crucial for building reliable, scalable APIs that enable seamless integration between diverse systems and deliver value to users and teams.

What are the most commonly searched types of Api Developer jobs in California? The most popular types of Api Developer jobs in California are:
What cities in California are hiring for Api Developer jobs? Cities in California with the most Api Developer job openings:
What are popular job titles related to Api Developer jobs in CA? For Api Developer jobs in CA, the most frequently searched job titles are:
Infographic showing various Api Developer job openings in California as of July 2026, with employment types broken down into 87% Full Time, 6% Part Time, and 7% Contract. Highlights an 80% Physical, 4% Hybrid, and 16% Remote job distribution, with an average salary of $122,936 per year, or $59.1 per hour.

IBM API Developer

Staffingine LLC

Torrance, CA • On-site

Contractor

Re-posted 15 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