Find the best API Developer 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 531 API Developer jobs posted on Upwork

$75
Fixed-price

Intermediate
Experience level

Need to re-build API services based on an original Typescript codebase it has 3 APIs 1. POST /transfer - this is an API to automate a…

API Developer API Development Jobs RESTful API API Integration TypeScript JavaScript API
See more
Full Stack Web Developer (Remote) (Contract) Fixed-price ‐ Posted 5 days ago

$5,000
Fixed-price

Expert
Experience level

Globetrotters is seeking a talented and experienced Full-Stack Web Developer to join our team on a contractual basis. You will be respo…

API Developer API Web Application API Development Jobs Web Development Administrative Support JavaScript API Integration AI Model Integration Node.js Python RESTful API Django React
See more
Python API Expert Fixed-price ‐ Posted 5 days ago

$50
Fixed-price

Entry
Experience level

Hi i want someone to be able to connect into facebook ads API https://developers.facebook.com/docs/marketing-apis/ And i want to setup…

API Developer Automation Python Script API Integration API Development Jobs API Python
See more
Create a Web Requests Proxy Hourly ‐ Posted 4 days ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience level

Scope: The project aims to install proxy agents on our customers' computers. This will allow our server to handle API requests and ret…

API Developer C# API Development Jobs
See more
API, Admin Panel, DB Developer & Maintenance Fixed-price ‐ Posted 3 days ago

$5
Fixed-price

Intermediate
Experience level

We already have an Android+iOS+Web App along with DB and APIs. Now we are porting this app using Flutter to v3. What we are looking f…

API Developer cPanel PHP MySQL API Development Jobs Laravel
See more
WordPress Site Merge and Launch on AWS Lightsail Fixed-price ‐ Posted 5 days ago

$100
Fixed-price

Intermediate
Experience level

I need an experienced WordPress developer to merge updates from our staging site into our production site on AWS Lightsail. The goal…

API Developer Software Development API API Integration API Development Jobs
See more

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Expert
Experience level

Looking for INTEGRATION EXPERT with the detailed knowledge of Cargowise Application for the freight forwarders. - Must have handled C…

API Developer .NET Core Web Development API Integration API Business Logic Layer Requirements Specification Web Service API Development Jobs Data Access Layer RESTful API Software Architecture & Design
See more
Zoho creator Hourly ‐ Posted 5 days ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience level

Looking for a zoho creator specialist for 1hr of daily support to resolve issues on time. Must be ready to work in accordance to USA ti…

API Developer API Development Jobs API Customer Relationship Management CRM Software
See more
Instagram Graph API Fixed-price ‐ Posted 4 days ago

$60
Fixed-price

Expert
Experience level

I need to create a zapier automation, which will take a mp4 file from dropbox and send it to Instagram (as a Story or a Reel) using the…

API Developer API Development Jobs Python Instagram API Integration JavaScript Instagram API API
See more
Scrapper api using python Fixed-price ‐ Posted 3 days ago

$10
Fixed-price

Expert
Experience level

I need to api which give me vin number from website

API Developer API Development Jobs API Integration RESTful API API Data Scraping Python Script Python
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