Find the best API Testing jobs

It takes just one job to develop a successful relationship that can propel your career forward.
Find work Interested in hiring?

Professionals on Upwork rate clients
Rating is 4.9 out of 5.
4.9/5

on average from 2M+ reviews

Trusted by

Check out a sample of the 86 API Testing jobs posted on Upwork

Senior Test Automation Engineer Hourly ‐ Posted 12 days ago

30+ hrs/week
Hours needed

More than 6 months
Duration

Expert
Experience level

As a Senior Test Automation Engineer, your responsibility will be to ensure that we ship high-quality software free of bugs and defects…

API Testing Test Design Software Testing Test Automation Framework Selenium Software QA Automated Testing API Testing Jobs Python
See more
API Integration Freelancer for Travel Site Company Fixed-price ‐ Posted 1 month ago

$2,000
Fixed-price

Expert
Experience level

We're looking for an experienced and motivated freelancer to join our project contract as an API integration specialist. You'll play a…

API Testing CSS API JavaScript HTML HTML5 API Testing Jobs AMP Framework MySQL Web Development API Integration PHP Python SQL Java .NET Framework API Development
See more
QA requirement Fixed-price ‐ Posted 1 month ago

$21,000
Fixed-price

Expert
Experience level

Job Description : You will be a part of our Customer Success team and ensure we deliver quality solutions during the entire SDLC of the…

API Testing API Testing Jobs
See more
API Testing Fixed-price ‐ Posted 1 month ago

$15
Fixed-price

Expert
Experience level

I am looking for API Tester who will help me to perform API testing using Postman Tool, And i want help for node js , Json-server insta…

API Testing Software QA Test Design API Testing Jobs
See more
Quality Assurance Hourly ‐ Posted 28 days ago

30+ hrs/week
Hours needed

More than 6 months
Duration

Intermediate
Experience level

his role is unique in our organization as this person will be responsible for implementing automated testing which does not currently e…

API Testing Software Testing Functional Testing Quality Control Game Testing Mobile App Testing Database Testing API Testing Jobs
See more
Java SDET Fixed-price ‐ Posted 1 month ago

$21,000
Fixed-price

Expert
Experience level

Job Description : Java SDET automation API and Backend Testing Hybrid: 2 days / week (Tue & Thursday) Document detailed functional and…

API Testing API Testing Jobs
See more
API Unit Testing Fixed-price ‐ Posted 1 month ago

$15
Fixed-price

Intermediate
Experience level

We are looking for a skilled API unit tester to help us ensure the quality of Progressive we application. The ideal candidate should b…

API Testing React Node.js API Testing Jobs Unit Testing
See more
Quality Assurance of App Hourly ‐ Posted 1 month ago

Less than 30 hrs/week
Hours needed

3 to 6 months
Duration

Intermediate
Experience level

Requirement Analysis: Understand project requirements and functional specifications. Test Planning: Develop a comprehensive test plan…

API Testing Software Testing Test Case Design Bug Reports Software QA Functional Testing Mobile App Testing Database Testing API Testing Jobs
See more
Technical writer Hourly ‐ Posted 1 month ago

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Expert
Experience level

I have an in depth invention I am presenting for NSF and VR grants, kickstarter campaigns, Angel Investors, etc... I have the informati…

API Testing API Testing Jobs Academic Writing API Documentation Quantitative Research Qualitative Research Tech & IT English Technical Documentation
See more

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

Job Title: Blockchain-based Identity Verification Game Tester Job Description: We are currently on the look-out for an experienced B…

API Testing Java Game Development Test Design Game Testing Database Testing API Testing Jobs
See more

Your next job starts right here

Set up a free profile to showcase your skills, experience and desired pay rate to clients. You choose the payment method that's best for you to easily get paid for your work.

Find work
Upwork Payment Protection
Gives you security and peace of mind
See how it works