Find the Best Back-End Developers Jobs
Check out a sample of the 1,247 Back-End Developers jobs posted on Upwork
Subscription & Membership App Development
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are looking for an experienced Backend Developer to build the server-side infrastructure for a subscription and membership-based mob…
Executive Assistant
Hourly ‐ Renewed 1 day agoHours needed
Duration
Experience level
EXECUTIVE ASSISTANT TO FOUNDER & CEO Nonprofit Operations, Grants, Client and Compliance Support Cornerstone Youth Collective is seeki…
Python Developer for Claude API, PDF Processing & AI Document Automation
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Python Developer Needed – Claude API, PDF Processing & AI Automation I’m looking for an experienced Python developer to help me comple…
Ai receptionist-Simply complete last items
Fixed-price ‐ Posted 1 day agoFixed-price
Experience level
Pre-Launch Deployment Project status: 95–97% complete. Remaining work is deployment/config, not new feature development. Engagement ty…
B2B SDR / Cold Caller — Book Meetings with Nigerian Pharmacy Owners (English + Yoruba + Igbo)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
RxAll is a pharmacy credit company. We give retail pharmacies and drug wholesalers across Nigeria products and working capital on credi…
eCommerce Shopify Developer Needed (USA Hours)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We are looking for an experienced Shopify Developer (front-end & back-end) to join our team as a part-time contractor. Must be availab…
Finance Manager/ Business Valuation & Financial Operations Specialist
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Long-Term | 40+ hrs/week | Remote We are seeking an experienced finance professional to become an integral part of our growing organiz…
Automated Deal Screening System for Affordable Housing Acquisitions
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Summary We're a California-based affordable housing developer (LIHTC acquisition-rehab, preservation, and new construction) looking for…
Looking for Senior API Integration, AWS & Technical SEO Developer (Long-Term)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
I'm looking for an experienced developer to join me on a long-term basis. I have several ongoing projects and I'm looking for someone I…
Full Stack Web Developer Needed
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We’re seeking a full-stack developer to build and maintain a web application for a growing business. The project includes developing co…
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