Find the best API 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
on average from 2M+ reviews
Check out a sample of the 4,512 API jobs posted on Upwork
30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level
Need a full time experienced Salesforce Developer to join immediately on our projects. The developer will be interviewed and will be as…
$100
Fixed-price
Intermediate
Experience level
I need a quick integration of the Google Pollen API into my wordpress page. Visitor enters their UK postcode into WpForms. Clicks subm…
$50
Fixed-price
Intermediate
Experience level
The developer who can do the following will get this job :) BUDGET: $50 +BONUS And regular ongoing work afterwards. This will be paid…
$750
Fixed-price
Intermediate
Experience level
We are seeking a talented software developer to create a prototype software using .NET framework for connecting and consuming various G…
$100
Fixed-price
Intermediate
Experience level
Need a good Node developer to work on a short project. Must be experienced with Node. A big plus if you know native and web developmen…
not_sure
Hours needed
1 to 3 months
Duration
Intermediate
Experience level
I want someone with experience dealing with banking CANADA banking would be most important dealing with fintech, ai verification and me…
$10
Fixed-price
Intermediate
Experience level
Create public app (replaces private app) The next phase for our Project is to make it a public app, using OAuth as authentication. Thi…
30+ hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level
We are seeking a senior level full stack engineer to join our team on a full-time basis. Experience: - Extensive experience as a full…
$500
Fixed-price
Intermediate
Experience level
I am looking for a freelancer to help connect Resova Booking System to our Tesco Clubcard Integration. Please provide information on y…
$500
Fixed-price
Expert
Experience level
I need a full stack expert who can work on this combination: Angular 9, NodeJS, Postman API, JQuery, JavaScript, HTML, CSS. Mostly fro…
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 workGives you security and peace of mind