Find the Best Back-End Developers Jobs
Check out a sample of the 1,264 Back-End Developers jobs posted on Upwork
Startup FP&A / Accounting Manager
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
About Modern Ownership Modern Ownership endeavors to build the most trusted technology and advisory firm in the industrial world . We w…
Website Development with Booking System
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We are seeking a skilled web developer to create a website with an appointment booking system, electronic payment integration, and a us…
Full-Stack Developer for Existing SaaS & Mobile Application Troubleshooting and Support
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Looking for an experienced full-stack developer to take over and support an existing live SaaS and mobile application. This is not a re…
Senior Full-Stack E-Commerce Architect / Lead Developer Needed (React + Backend Architecture)
Fixed-price ‐ Posted 1 day agoFixed-price
Experience level
# Senior Full-Stack E-Commerce Architect / Lead Developer Needed ## Existing React Frontend + Backend Development ### PLEASE READ BEF…
Figma Colour System Cleanup - WCAG 2.2 AA Compliance
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Figma Colour System Cleanup - WCAG 2.2 AA Compliance We have a completed set of Figma designs for a web application. The layouts, st…
Fast Backend Developer (AI-Fluent), Ongoing Work
Hourly ‐ Renewed 1 day agoHours needed
Duration
Experience level
Fast Backend Developer (AI-Fluent) – Standby + Ongoing Work | Luxury Access & Agency We’re looking for a fast, AI-fluent backend devel…
iOS App Store submission for a Swift cookbook app — ~20 hours
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
I have a Swift iOS app — Terra e Tavola, a regional Italian cookbook with 150 recipes — that was generated using Rork AI and is close t…
SDET engineer
Fixed-price ‐ Posted 1 day agoFixed-price
Experience level
Mandate Skills: Mobile Automation - JAVA + Selenium + Appium + Analytics + AI SDET- ADA & Analytics Strong experience in Mobil…
Senior Pitch Deck Strategist — Full Narrative + Design for Robotics/AI Seed Round (Premium Project)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
I’m the founder of Eighty Eight Technologies (www.eighty8.com.my), a Malaysian industrial robotics and AI company. We supply and integr…
Full-Stack Developer for E-commerce Website
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We are launching an online flower boutique and need a talented developer to create a seamless user experience. The ideal candidate will…
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