Find the Best Back-End Developers Jobs
Check out a sample of the 1,180 Back-End Developers jobs posted on Upwork
Chief of Staff - Strong EA - Ops Manager (AI Native - Right hand to CEO)
Hourly ‐ Renewed 2 days agoHours needed
Duration
Experience level
AI-Native Executive Assistant / Chief of Staff to Founder This role is ideal for an exceptional Executive Assistant with Chief of Staf…
Website build, research org — non-technical owner, need scope advice
Fixed-price ‐ Posted 2 days agoFixed-price
Experience level
I'm building the website for an independent research and publishing organisation. I'm the only person running it — no developer on reta…
Experienced Full-Stack Developer to Build Competition Management SaaS App
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are looking for an experienced full-stack developer to build a modern competition management platform dance/sporting competitions.…
Card Game Illustration + Graphic Design for a Satirical Party Card Game (Animal Cast)
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
I'm developing a satirical party card game planned for a Kickstarter launch in late 2027, published by my company, CatNap, LLC. I'm gat…
Laravel Backend Engineer Needed for Stand‑Alone API (Multi‑Domain, Stripe, MySQL)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
Laravel Required — Phase 2 Development Similar to Uber and Lyft except: Rider posts they need a ride Driver responds to the rides they…
Wix Studio E-commerce Designer & CRO Specialist
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
# Wix Studio E-commerce Designer & CRO Specialist — Premium Hair/Beauty Brand **Project-based | Remote | Potential Ongoing Work** ##…
Senior Full-Stack SaaS Developer for Existing TypeScript POS System
Fixed-price ‐ Posted 2 days agoFixed-price
Experience level
I own an existing Point of Sale (POS) system built mainly with TypeScript and JavaScript, using a Prisma database. The source code is s…
Financial Controller for Real Estate Company
Hourly ‐ Renewed 2 days agoHours needed
Duration
Experience level
Full Time Work From Home Position Job Description: Controller CBS Holdings LLC Position Summary The Controller is the senior account…
QA Testing
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Senior QA Engineer / QA Automation Engineer We are currently building the platform and are looking for an experienced **Senior QA Engi…
Account Executive, Full-Cycle B2B SaaS Closer (US, Phone-Heavy)
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
This is a closing role. Cold calls, live demos, signed contracts. Please read the "Who should not apply" section before you apply. WHA…
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