Desktop Application Developer VA
Builds and maintains Windows, macOS and cross-platform desktop software for businesses whose work does not fit in a browser: point-of-sale, engineering tools, data-heavy back-office systems. Delivers fast, stable software with proper installers and updates.
- Top 1% vetted talent
- No lock-in contracts
- Replacement guarantee
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Hourly rates · No lock-in contracts
Description
A Desktop Application Developer VA builds software for Windows, macOS or cross-platform environments where browser-based applications are not suitable. They can develop interfaces, integrate local hardware, connect databases and APIs and create installers and update systems. Outsource Teams provides top 1% vetted talent with professional desktop software experience, no lock-in contracts and a replacement guarantee.
Responsibilities
- Develop desktop applications with C# and WPF or WinUI, C++ and Qt, Electron with TypeScript, or Swift for macOS according to the client's platform.
- Design responsive, accessible desktop interfaces that handle large datasets and long-running tasks without freezing.
- Integrate with local hardware such as printers, barcode scanners, scales and serial or USB devices.
- Connect applications to local databases (SQLite, SQL Server) and cloud APIs with secure offline sync.
- Build installers and auto-update mechanisms with MSIX, WiX, Squirrel or Electron Builder, and sign binaries.
- Write unit and UI automation tests and run them in CI for each supported OS.
- Profile memory, CPU and startup performance and fix leaks and bottlenecks.
- Handle crash reporting, logging and remote diagnostics for deployed installations.
- Maintain legacy desktop applications and plan modernisation paths where needed.
Software & Tools
Requirements
- 5+ years of desktop application development with software deployed to real users.
- Expert in at least one desktop stack: .NET with WPF or WinUI, C++ with Qt, Electron with TypeScript, or Swift with AppKit or SwiftUI.
- Experience with installers, code signing, auto-update and OS-specific packaging.
- Working knowledge of SQL databases, REST APIs and secure local data storage.
- Familiarity with hardware integration and multithreading in a desktop context.
- Good English communication for requirement gathering and support escalations.
- High-speed, stable internet and backup power at home, and available during the client's business hours.
Frequently Asked Questions
What types of desktop software can they build?
They can build systems such as point-of-sale applications, engineering tools and data-heavy back-office software.
Can they integrate with local hardware?
Yes. They can connect software to devices such as printers, barcode scanners, scales and serial or USB equipment.
Can they support offline use?
Yes. They can connect local databases with cloud APIs and implement secure offline synchronisation.
Can they create installers and updates?
Yes. They can build signed installers and automatic update mechanisms for supported operating systems.
What technologies can they use?
They can work with C#, .NET, Electron, C++, Qt and Visual Studio.
How experienced are the candidates?
Candidates are expected to have at least five years of desktop application development experience with software deployed to real users.
How much does it cost?
Rates start at $12 USD per hour for entry level, $16 USD per hour for intermediate and $22 USD per hour for senior talent. Full-time and part-time options are available.
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