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Check out a sample of the 631 API Developer jobs posted on Upwork

Interviewing Software Contracting Agencies Hourly ‐ Posted 5 days ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience level

We are building a product to facilitate communication between contractors and hiring agencies. We specifically want to understand commu…

API Developer Project Management API Integration API Development Jobs Website Redesign Web Application
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Laravel Vuejs Developer Fixed-price ‐ Posted 5 days ago

$50
Fixed-price

Intermediate
Experience level

Looking for a Nepal based experienced & skilled Laravel & vuejs developer too work in a API based application. Project details will b…

API Developer RESTful API API Development Jobs Laravel
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$6,048
Fixed-price

Intermediate
Experience level

An amazing opportunity to be part of a USA based cyber security startup team! We are looking for a MERN stack programmer with experien…

API Developer CrowdStrike Splunk Node.js Security Engineering MongoDB API Development Jobs API Integration RESTful API
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Custom image upload experience Fixed-price ‐ Posted 4 days ago

$500
Fixed-price

Intermediate
Experience level

Hello, I am needing a developer help me build a feature on my Shopify website using an existing app (Upload Lift Image Upload). Per th…

API Developer Shopify Web Development Ecommerce Website API Integration API Development Jobs Web Application
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Expert with Altru API for Custom Project Hourly ‐ Posted 3 days ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Intermediate
Experience level

We are a venue that sells admission tickets and operates using Altru platform. We want to start accepting group reservations and allow…

API Developer Web Development API Integration API Development Jobs API PHP Platform Plugin Web Application
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Less than 30 hrs/week
Hours needed

3 to 6 months
Duration

Intermediate
Experience level

We’re looking for someone to code us a premiere pro extension. Similar to autopod or fire cut but our own customised version. Be gr…

API Developer JavaScript API Integration AI Model Integration API Development Jobs AI-Generated Code Web Application
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Api i gmaing Fixed-price ‐ Posted 5 days ago

$250
Fixed-price

Intermediate
Experience level

I need a good developer for my site. His experience and minimum 10 years, and my site job is API integration, if you have any such good…

API Developer API API Development Jobs JSON PHP JavaScript API Integration
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$100
Fixed-price

Intermediate
Experience level

We are in urgent need of a professional with expertise in Stripe account management to assist in transferring approximately 200 active…

API Developer Payment Processing API API Development Jobs Stripe App Development
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Xero to .WMS Access API Integration Fixed-price ‐ Posted 4 days ago

$200
Fixed-price

Intermediate
Experience level

We are looking for a skilled professional to integrate our Xero account with our .WMS Access account to autofill orders via an API. The…

API Developer API Integration API Development Jobs RESTful API API
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Next Big Startup Fixed-price ‐ Posted 3 days ago

$5
Fixed-price

Intermediate
Experience level

We are seeking a talented and dedicated team of app developers, UX designers, coders, and other professionals to collaborate on buildin…

API Developer Quality Assurance Project Management Algorithm Development Front-End Development App Development API Integration API Development Jobs
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