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Rest Api Testing Jobs in California (NOW HIRING)

TekWissen

TECHNICAL API lead

San Francisco, CA · On-site

... REST API development for highly scalable, customer facing commerce web applications(native, mobile web, desktop) • Experience with JSON, XML, Unit Testing (JUnit, Mockito etc.), Maven, GIT etc ...

360 IT Professionals

Java API Developer

San Jose, CA · On-site

$59.75 - $77.25/hr

... 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.

KLA

Software Engineer - Test Automation

Milpitas, CA · On-site

$117K - $200K/yr

API Automation * Create and maintain automated tests for REST interfaces and service integrations; apply API testing tools and automation frameworks where appropriate * Support/extend API test ...

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Rest Api Testing information

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$5

$48

$89

How much do rest api testing jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for rest api testing in California is $48.78, according to ZipRecruiter salary data. Most workers in this role earn between $32.74 and $62.88 per hour, depending on experience, location, and employer.

What is Rest API testing?

A REST API Testing job involves verifying the functionality, reliability, performance, and security of RESTful web services. Testers use tools like Postman, REST Assured, or JMeter to send requests, validate responses, and ensure API endpoints behave as expected. Responsibilities include writing test cases, automating API tests, identifying issues, and working closely with developers to resolve defects. This role is crucial for ensuring seamless integration between front-end and back-end systems in software applications.

What does a typical day look like for someone working in Rest API testing?

A typical day in Rest API Testing involves designing and executing test cases for various endpoints, validating responses against both functional and non-functional requirements, and documenting any issues or defects discovered. Testers often collaborate closely with developers, QA engineers, and product managers to clarify requirements and ensure comprehensive coverage. Additionally, they may participate in daily stand-ups or agile ceremonies, contribute to test automation efforts, and help maintain test documentation. This collaborative and detail-oriented environment provides opportunities to improve technical skills and play a key role in delivering high-quality software.

What are the key skills and qualifications needed to thrive in the Rest API testing position, and why are they important?

To thrive in Rest API Testing, you need a solid understanding of software testing principles, API protocols (such as REST and HTTP methods), and the ability to create and execute test cases. Familiarity with tools like Postman, SoapUI, and automated testing frameworks, as well as relevant certifications such as ISTQB, are often required. Strong analytical thinking, attention to detail, and effective communication skills help testers document defects clearly and collaborate with development teams. These competencies are crucial for ensuring the performance, reliability, and security of API services in modern software applications.

What are the most commonly searched types of Rest Api Testing jobs in California?

The most popular types of Rest Api Testing jobs in California are:

What are popular job titles related to Rest Api Testing jobs in California?

For Rest Api Testing jobs in California, the most frequently searched job titles are:

What job categories do people searching Rest Api Testing jobs in California look for?

The top searched job categories for Rest Api Testing jobs in California are:

Rest Api Testing jobs near you
Infographic showing various Rest Api Testing job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 15% Part Time, 5% Contract, and 1% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $101,464 per year, or $48.8 per hour.

QA Engineer [Vehicle Testing] / Infotainment Test Enginee

Keylent Inc

Fountain Valley, CA • On-site

Full-time

Re-posted 8 days ago

Job description

Job Summary:
Keylent Inc is seeking a QA Engineer specializing in Vehicle Testing and Infotainment Testing. The role involves creating test plans, implementing requirements traceability, and troubleshooting by analyzing service logs.
Responsibilities:
• Test Plan creation with proper coverage of features testing and detailed test cases writing
• Requirements traceability matrix implementation
• Troubleshooting by running queries and analysing service logs
• Experience with testing in vehicle telematics area
• REST API testing using JMeter, Postman
• Oracle advanced queries execution knowledge
• Client-server architecture features manual/automation testing experience
• Test automation using any scripting language
• At least 1 scripting language proficiency: Preferred: JS or Python
• Expert in Tools: JMeter, Postman, JIRA, TestRail, Fiddler, UI Automator, TestNG
Qualifications:
Required:
• Bachelors in Computer Science or computer related fields
• 5 + years of experience in related field
• Test Plan creation with proper coverage of features testing and detailed test cases writing
• Requirements traceability matrix implementation
• Troubleshooting by running queries and analysing service logs
• Experience with testing in vehicle telematics area
• REST API testing using JMeter, Postman
• Oracle advanced queries execution knowledge
• Client-server architecture features manual/automation testing experience
• Test automation using any scripting language
• At least 1 scripting language proficiency: Preferred: JS or Python
• Expert in Tools: JMeter, Postman, JIRA, TestRail, Fiddler, UI Automator, TestNG
Company:
Keylent provides Software Development Services in the Cloud, Analytics and Digital Transformation space. Founded in 2010, the company is headquartered in Wilmington, USA, with a team of 201-500 employees. The company is currently Growth Stage.
Keylent logo

About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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