Find the Best Back-End Developers Jobs
Check out a sample of the 1,252 Back-End Developers jobs posted on Upwork
React/Supabase Developer Needed for SAAS Web Application
Fixed-price
Experience level
We are looking for an experienced Full-Stack Developer to continue building out CrewUp, a web application marketplace platform for gene…
Paid UX UI Design Trial - Additional work available for suitable candidate
Fixed-price
Experience level
-- Introduction This paid trial is intended to simulate a realistic design engagement rather than a traditional design test. The objec…
Full-stack AI developer react, Node.js
Fixed-price
Experience level
We are looking for a skilled Full Stack AI Developer with strong experience in React.js and Node.js to build modern, AI-powered web app…
Full Stack Developer for Logistics App
Hours needed
Duration
Experience level
I am seeking a full stack developer to create a web application for managing my logistics business. The goal is to ensure a smooth and…
Full-Stack Web Development Team for ChefsNest
Fixed-price
Experience level
We’re looking for an experienced full-stack web development team to build ChefsNest, a secure nationwide marketplace and booking platfo…
Senior Custom WordPress Developer – Healthcare Website Rebuild (ACF, Multilingual & GTM)
Hours needed
Duration
Experience level
Job Title: Senior Custom WordPress Developer - Healthcare Website Rebuild (ACF, Multilingual & GTM) Project Overview We are looking fo…
Mechanical Product Design Engineer – Sustainable Metal Lip Balm Tube (Twist Mechanism)
Fixed-price
Experience level
Hi, I'm developing an eco-friendly, refillable lip balm tube made from aluminium (or similar alloy), designed for direct lip applicati…
Back-end Developer at Denominator, the leading provider of human-centric data & insights globally
Hours needed
Duration
Experience level
We are looking for the right individual to join Denominator, the leading provider of human-centric data & insights on companies and cou…
.NET Core Developer Needed for E-Commerce Authentication, Authorization & API Refactoring
Fixed-price
Experience level
We have an existing set of basic e-commerce APIs built with ASP.NET Core. The core APIs are already functional, and we are planning to…
Senior Backend Developer (SQL & SSIS)
Hours needed
Duration
Experience level
Senior Backend Dev with strong SQL and SSIS expertise to join our team. Focus on database management, ETL processes, and backend develo…
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