Find the Best Windows App Development Jobs
Check out a sample of the 285 Windows App Development jobs posted on Upwork
C# Developer for IRS Filings
Hourly ‐ Posted 5 days agoHours needed
Duration
Experience level
We are seeking an experienced C# developer to support and maintain our web application used for filing with the IRS. Our company is an…
Fire Sprinkler and Hydrant Systems Estimator
Hourly ‐ Renewed 5 days agoHours needed
Duration
Experience level
We are seeking an experienced Fire Sprinkler and Hydrant Systems Estimator to support our growing estimating workload on a flexible, on…
Performance Marketing & Social Media Specialist | Google Ads, Meta Ads & AI Lead Generation
Hourly ‐ Posted 5 days agoHours needed
Duration
Experience level
Performance Marketing & Social Media Specialist Google Ads, Meta Ads, AI & Lead Generation About Us We are a growing West Midlands home…
Bilingual Learner Experience & Operations Specialist (English/Spanish)
Fixed-price ‐ Posted 4 days agoFixed-price
Experience level
Budget: $375 - $500 / month (Monthly Retainer) Estimated Time Commitment: ~15-20 hours per week Summary Online language school look…
C# / .NET Developer with Interactive Brokers API - Code Review and Diagnostic of Trading Application
Hourly ‐ Posted 4 days agoHours needed
Duration
Experience level
I own a C# trading automation application built over several years by a previous developer who is no longer available. The codebase is…
Fire Detection and Alarm Systems Estimator
Hourly ‐ Renewed 5 days agoHours needed
Duration
Experience level
We are seeking an experienced Fire Detection and Alarm Systems Estimator to support our growing estimating workload on a flexible, ongo…
C# / .NET Desktop Developer — Windows Agent
Hourly ‐ Posted 5 days agoHours needed
Duration
Experience level
About the Project We’re building the desktop agent for a cloud-connected application. The agent is a small Windows 11 application that…
Electron Desktop App – Remote Worker Activity/Presence Checker (Randomized Pop-up Check-ins)
Fixed-price ‐ Posted 5 days agoFixed-price
Experience level
We need a lightweight, cross-platform desktop application (Windows/macOS) that ensures remote operators are active at their laptops dur…
Deploy Claude desktop App to AVD environment, fslogix in play
Fixed-price ‐ Posted 4 days agoFixed-price
Experience level
we have a azure environment with AVD, we want to deploy the claude desktop app, we tried ourselves but ran into some issues, this shoul…
Long-Term Product Engineer — TypeScript / React / Supabase / Capacitor — Booking SaaS
Hourly ‐ Posted 4 days agoHours needed
Duration
Experience level
**NOT LOOKING TO HIRE AGENCY! LOOKING FOR A FULL TIME EMPLOYEE** About the project: BirdieGrow is a booking + membership platform for i…
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