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Api Developer Jobs in California (NOW HIRING)

Staffingine LLC

IBM API Developer

Torrance, CA · On-site

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 ...

Staffingine LLC

IBM API Developer

Torrance, CA · On-site

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 ...

TriOptus LLC

API Developer | TELECOMMUTE

Sacramento, CA · On-site +1

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 ...

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 ...

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 Interview Mode: Phone and Face to Face Candidates must: Be very proficient in REST principles Have API ...

Apple

API Review & Design Engineer

Cupertino, CA · On-site

... 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 ...

Apple

API Review & Design Engineer

Cupertino, CA

$175K - $308K/yr

... 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 ...

Apple

API Review & Design Engineer

Cupertino, CA

$175K - $308K/yr

... 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 ...

Jobsbridge

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 ...

Jobsbridge

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 ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA

$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 ...

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How much do api developer jobs pay per hour?

As of Jul 13, 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.

Will AI replace APIs?

As an API developer, AI is more likely to augment API development by automating tasks like testing, documentation, and integration rather than replacing APIs themselves. APIs serve as essential interfaces for software communication, and AI tools can enhance their creation and maintenance but do not eliminate the need for APIs. Skills in API design, security, and AI integration remain valuable in this evolving environment.

What does an API developer do?

An API developer designs, builds, tests, and maintains application programming interfaces (APIs) that enable different software systems to communicate. They work with programming languages like Java, Python, or JavaScript and often use tools such as REST or SOAP to create reliable and secure data exchanges. Their role involves understanding system requirements, writing clean code, and ensuring APIs are scalable and well-documented.

How much does an API developer make?

An API developer's salary varies based on experience, location, and skills, but typically ranges from $70,000 to $130,000 annually. Senior developers with expertise in RESTful APIs, security, and cloud platforms can earn higher salaries, especially in competitive markets.

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 API management tools are particularly valuable, and the role often requires knowledge of programming languages like Python, Java, or JavaScript. The demand is expected to grow as digital transformation accelerates businesses' need for efficient data exchange and automation.

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 in the Api Developer position, and why are they important?

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 are popular job titles related to Api Developer jobs in California? For Api Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Api Developer jobs in California look for? The top searched job categories for 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:
Api Developer jobs near you
Infographic showing various Api Developer job openings in California as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $122,936 per year, or $59.1 per hour.
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