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Rest Api Testing Jobs in California (NOW HIRING)

Software Engineer - Test Automation

Milpitas, CA · On-site

$52.50 - $69.25/hr

... REST interfaces and service integrations; apply API testing tools and automation frameworks where appropriate • Support/extend API test coverage initiatives and improve pipeline signal quality ...

... 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 ...

Java API Developer

San Jose, CA

$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.

Create and maintain automation suites using Selenium (Java)/Playwright (Typescript), Appium and REST API frameworks * Lead and coordinate testing activitiesfor modules, owning quality gates and exit ...

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 ...

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

See California salary details

$5

$48

$89

How much do rest api testing jobs pay per hour?

As of Jul 19, 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 the salary of API tester?

The salary of an API tester typically ranges from $50,000 to $100,000 annually, depending on experience, location, and industry. Entry-level positions may start lower, while experienced testers with skills in tools like Postman or Swagger can earn higher salaries.

How much do API testers make in the US?

API testers in the US typically earn between $60,000 and $100,000 annually, depending on experience, location, and certifications. Entry-level testers may start around $50,000, while experienced professionals with skills in tools like Postman or Swagger can earn higher salaries.

Is API testing a good career?

API testing is a valuable career in software quality assurance, focusing on verifying the functionality, security, and performance of APIs. It requires knowledge of testing tools, scripting, and understanding of REST or SOAP protocols, making it a specialized and in-demand skill set in the tech industry.

Is selenium a rest API?

Rest API Testing involves verifying web services that communicate over HTTP, while Selenium is a tool primarily used for automating web browsers for UI testing. Selenium does not function as a REST API itself but can be used alongside API testing tools to perform comprehensive testing of web applications. Knowledge of API testing tools like Postman or RestAssured is also beneficial for REST API testing roles.

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 is a Rest Api Testing job?

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 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:
Infographic showing various Rest Api Testing job openings in California as of July 2026, with employment types broken down into 89% Full Time, 5% Part Time, 1% Temporary, and 5% Contract. Highlights an 77% Physical, 4% Hybrid, and 19% Remote job distribution, with an average salary of $101,464 per year, or $48.8 per hour.
Product Engineer II- Rest API, ArcGIS Enterprise

Product Engineer II- Rest API, ArcGIS Enterprise

Esri

Redlands, CA • On-site

Other

Re-posted 9 days ago


Esri rating

9.5

Company rating: 9.5 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

6th of 209 rated software companies


Job description

Overview

Make your mark on the future of ArcGIS. Join the ArcGIS Enterprise team as a REST API Product Engineer.

We're looking for a Product Engineer passionate about software development, APIs, and web technologies. In this role, you'll design, test, and document REST API features in collaboration with cross-functional engineering and product teams. You'll help ensure ArcGIS Enterprise REST APIs are reliable, secure, scalable, and designed to solve real customer problems. This role blends strong technical skills with user advocacy, clear documentation, and cross-team communication to deliver REST API features that power critical GIS workflows for organizations worldwide.

Responsibilities

  • Collaborate with Software Development Engineers, Product Engineers, and Product Managers to design, enhance, and validate REST APIs for geospatial workflows in ArcGIS Enterprise across multiple deployment environments (Windows, Linux, Kubernetes)
  • Develop and execute functional, integration, and automation tests for new and existing API capabilities 
  • Advocate for users and developers within the software development team, ensuring APIs are intuitive, consistent, and built to support customer workflows 
  • Participate in project planning, contributing to scope definition, timelines, and delivery milestones 
  • Coordinate and communicate REST API features, updates, and changes with internal teams across engineering, documentation, support, and product management 
  • Certify REST API features prior to product release, ensuring quality and readiness  
  • Write and maintain API reference documentation, samples, and developer-facing guidance 
  • Present REST API features, design decisions, and release readiness at internal milestone and review meetings 
  • Showcase API capabilities and best practices by presenting at Esri conferences 

Requirements

  • 2+ years of experience designing, testing, and validating RESTful APIs
  • Solid understanding of REST, web services, and HTTP concepts (methods, headers, status codes, authentication, security) 
  • Proficiency in one or more programming or scripting languages (such as Python, JavaScript, Java)
  • Experience with ArcGIS Enterprise, ArcGIS Online, or other similar geospatial technology
  • Ability to write clear, accurate, and developer-friendly technical documentation 
  • Strong communication skills and comfort collaborating across teams 
  • Attention to detail, ownership mindset, and commitment to product quality
  • Bachelor's degree in computer science, engineering, mathematics, GIS, or related field

Recommended Qualifications

  • Experience with cloud computing platforms and services, such as Amazon S3, SQS, EC2, and Azure
  • Experience with API test automation frameworks or performance testing
  • Experience presenting technical topics to internal or external audiences

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What Esri employees say

Pay

Benefits

Hours and flexibility

Workplace

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About ESRI

Sourced by ZipRecruiter

Our passion for improving quality of life through geography is at the heart of everything we do. Esri's geographic information system (GIS) technology inspires and enables governments, universities, and businesses worldwide to save money, lives, and our environment through a deeper understanding of the changing world around them.

Industry

Scientific research and development services

Company size

1,001 - 5,000 Employees

Headquarters location

Redlands, CA, US

Year founded

1969