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Java Api Developer Jobs in California (NOW HIRING)

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 ...

Perfict

Lead Java Developer

Concord, CA · On-site

Responsibilities : • Lead Java Engineer will develop, enhance, support a collection of Java API services based on incoming requirements and reported defects • Communication/collaboration with ...

Saxon Global

API Developer

San Francisco, CA · On-site

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

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

Jobsbridge

Senior Java Engineer

San Francisco, CA · On-site

$67.50 - $86/hr

Qualifications: 5+ years of professional Java experience with emphasis on core Java API and open source packages Solid object oriented design and programming background Experience with noSQL ...

Pyramid Consulting, Inc

API Automation Expert

Cupertino, CA · On-site

$56.75 - $75/hr

Java, API Automation, Postman, BDD, Device Testing, AI. • Strong Java background • API automation expert level experience • Good with on • Good with related technologies and tools such as ...

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Java Api Developer information

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How much do java api developer jobs pay per hour?

As of Jul 12, 2026, the average hourly pay for java api developer in California is $55.96, according to ZipRecruiter salary data. Most workers in this role earn between $48.41 and $62.64 per hour, depending on experience, location, and employer.

What are some common challenges Java API Developers face when integrating APIs with legacy systems?

Java API Developers often encounter challenges when connecting modern APIs to legacy systems, such as dealing with outdated protocols, inconsistent data formats, and limited documentation. Overcoming these issues usually requires careful planning, thorough testing, and sometimes the development of custom adapters or middleware. Working closely with system architects and stakeholders is essential to ensure compatibility and minimize disruptions, while maintaining security and performance standards.

What are Java API Developers?

Java API Developers are software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) using the Java programming language. They create backend services that allow different software applications to communicate with each other, ensuring data is exchanged efficiently and securely. Their responsibilities often include writing clean code, testing API endpoints, integrating third-party services, and maintaining documentation. Java API Developers also work closely with frontend developers, QA testers, and other stakeholders to deliver robust and scalable solutions.

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

To thrive as a Java API Developer, you need strong proficiency in Java programming, RESTful API design, and a solid understanding of software development principles, often supported by a degree in computer science or related experience. Familiarity with frameworks like Spring Boot, tools such as Postman, and version control systems like Git are typically required, along with relevant certifications (e.g., Oracle Certified Java Programmer). Excellent problem-solving skills, attention to detail, and effective communication help developers collaborate with teams and translate business requirements into functional APIs. These competencies ensure robust, scalable, and maintainable API solutions that drive business applications forward.

What is the difference between Java Api Developer vs Java Software Engineer?

AspectJava Api DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentDevelops and maintains APIs, collaborates with backend teamsDesigns, develops, and maintains Java applications, including APIs
Employer & Industry UsageTech companies, startups, enterprise softwareTech firms, financial services, software development companies
Common Search & ComparisonOften compared for API-specific rolesBroader Java development roles

Java Api Developers focus specifically on creating and maintaining APIs, working closely with backend systems. Java Software Engineers have a broader scope, designing and developing entire Java applications, including APIs. Both roles require similar credentials and are common in tech industries, but their focus areas differ.

What are popular job titles related to Java Api Developer jobs in California? For Java Api Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Java Api Developer jobs in California look for? The top searched job categories for Java Api Developer jobs in California are:
Java Api Developer jobs near you
Infographic showing various Java Api Developer job openings in California as of July 2026, with employment types broken down into 74% Full Time, and 26% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $116,387 per year, or $56 per hour.
Java API Developer

Java API Developer

360 IT Professionals

San Jose, CA

$59.75 - $77.25/hr

Contractor

Re-posted 13 days ago

Job description

Job Description

Job Role: 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 security fundamentals (ability to articulate authentication/authorization vs. encryption usage)
Have deep understanding of core Java fundamentals
Be very proficient in data structures (Treemap and Comparator)
Job Description:
Experience in developing API design/modeling
Experience in XML, web services (REST, SOAP)
RESTful API design and implementation experience
Well-versed in testing your code (unit tests, systems test, etc.) and continuous integration
Generate swagger and other API documentation.
Develop automated acceptance and unit test for the agile team
Work with Jenkins and CI tools to automate dev, build, deployment and testing
Delivers APIs within an efficient AGILE SDLC which includes continuous delivery and built in quality automation.
Drives the containerizing effort of the API artifacts.
Advocates and evangelist of the micro services architecture and REST API vision
Experience with JSON format
Experience with J2EE (JMS, JAX-WS, JAX-RS, Servlets)
Spring Core, Spring MVC
Experience with Junit, Mockito libraries

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