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Check out a sample of the 1,268 Back-End Developers jobs posted on Upwork
Staff Software Engineer – Full Stack & AI
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
New York City | On-Site ⚠️ | Full-time About the Role This is not a role where you'll be limited to a single area of engineering. You…
Flutter & Dart Mobile App Developer – AI-Integrated Cross-Platform App (iOS/Android)
Fixed-price
Experience level
Project Description We are looking for an experienced Flutter Mobile App Developer to build an AI-powered cross-platform mobile applica…
Full Stack Developer for CMS Platform
Hours needed
Duration
Experience level
I need someone who can help me build my CMS Platform using Full Stack technologies such as Python, Django, and Laravel. The ideal candi…
Build High-Volume, Low-Latency Call Transfer System (Node.js/Python + Airtable + Twilio
Fixed-price
Experience level
I am looking for an experienced backend developer and Twilio integration specialist to build a rock-solid, high-volume outbound call br…
Simple REST API Backend for Warehouse Inventory System
Fixed-price
Experience level
We need a REST API backend for our warehouse inventory system. It will serve as the data layer for our internal apps — a focused MVP wi…
CRM & Retention Strategist
Hours needed
Duration
Experience level
CRM & RETENTION STRATEGIST Our Mission is to be able to say - "Anyone in the World below $15M should fire their Agency tomorrow as nobo…
VP – Crypto Trading & Institutional Markets
Hours needed
Duration
Experience level
Position: VP – Crypto Trading & Institutional Markets Location: Remote Salary Range: $280k – $370k + bonus About Anchorage Digital Anc…
Softr & Airtable No-Code Developer — System Architecture For Member Portal Build
Fixed-price
Experience level
We are interested in a developer that can help us to design a System Architecture and Airtable Schema for a Member Portal to be built u…
Full Stack Developer for Telehealth Platform
Hours needed
Duration
Experience level
We are seeking a skilled full stack developer to enhance our telehealth platform. The ideal candidate will have experience in both fron…
Full-Stack Dev for Recommello Connect - Merchant Catalog + Affiliate Backend
Hours needed
Duration
Experience level
I'm the founder of a small AI shopping assistant startup, and I'm looking for a full-stack dev to build the merchant side of our platfo…
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