Find the Best Back-End Developers Jobs
Check out a sample of the 1,125 Back-End Developers jobs posted on Upwork
Mobile Backend Developer
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We’re hiring a Mobile Backend Developer to build and maintain reliable backend systems and APIs for our iOS and Android applications.…
Full Stack Developer Needed for Bug Fixing & App Improvements
Fixed-price ‐ Posted 1 day agoFixed-price
Experience level
We need a full stack developer to fix existing bugs and improve an app built with PHP, HTML5, and JavaScript. The work includes resolvi…
Full-Stack Developer (Next.js/React + FastAPI) + QA Owner for Game Changing Software
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We're a software company that needs to ship fast. Our backend engineer handles cloud, infra, and core services. We need someone who can…
Python Full Stack Developer, web developer (Bug Fixing & Technical Support)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We are looking for a Python Full-Stack Developer to handle bug fixing, troubleshooting, and code optimization across our web applicatio…
Backend System Testing and Recommendations
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We need a developer to test our current backend system, identify issues, and provide clear recommendations for future updates. The work…
Backend / Email Infrastructure Developer
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Domain Management – multiple domains with lifecycle states: Warming, Live, Cooldown, Recovery, Disabled Mailbox Management – health sco…
Full Stack Development
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Full Stack Developer Company: Edgeutech Global Pty Ltd Location: Remote Contract Reports to: Founder About Us Edgeutech Global is buil…
Full Stack Developer React Needed for Analytics Platform Research (Node.js, Supabase)
Fixed-price ‐ Posted 1 day agoFixed-price
Experience level
I'm planning to build a web application for marketing teams and growth managers who run accounts across Facebook, TikTok, and Instagram…
Looking for Experienced Golang Backend Developer
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We are seeking a skilled backend developer with 3+ years of experience in Golang to join our remote team. The ideal candidate will have…
Website Development
Hours needed
Duration
Experience level
We are looking for a skilled web developer to design and develop a modern, responsive, and user-friendly website. The ideal candidate s…
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