Senior .NET (WPF) Developer

TL;DR

Senior .NET (WPF) Developer (.NET/WPF): Building and optimizing high-performance photo editing software with an accent on memory management, C++/CLI interop, and fluid UI responsiveness. Focus on eliminating memory leaks, refactoring legacy modules, and integrating AI-assisted development tools.

Location: Remote (Ukraine) or Hybrid (Kyiv, Podil)

Company

hirify.global develops award-winning AI-powered photo editing software designed to make professional image creation accessible to everyone.

What you will do

• Architect and build high-performance features using .NET 10 and WPF to ensure fluid UI under heavy loads.
• Develop and optimize C++/CLI wrappers to maintain a memory-safe bridge between .NET and native C++ core libraries.
• Profile and resolve complex desktop issues, including memory leaks and UI thread blockages.
• Refactor legacy modules to transform the codebase into a clean, testable, and modern architecture.
• Conduct high-standard code reviews and collaborate in 2-week Agile sprints.
• Leverage modern AI-assisted tools to accelerate routine coding and unit-test generation.

Requirements

• 3-5+ years of commercial C#/.NET desktop development experience.
• Deep WPF expertise, including MVVM, data binding, custom controls, and async programming.
• Proven track record in .NET memory management and performance profiling.
• Practical experience with native C++ interop (C++/CLI, P/Invoke, or marshaling).
• Solid understanding of OOP, SOLID, and clean code principles.
• English: Proficiency strong enough to work with official technical documentation and deep-dive literature.

Nice to have

• Experience with Image/graphics processing, GPU, or DirectX/Direct2D.
• Experience with WinUI 3.
• Background in photo, creative, or media desktop applications.
• Experience improving large legacy codebases through safe refactoring.
• Photography as a hobby.

Culture & Benefits

• Educational allowance to keep technical skills sharp.
• Company-provided English, German, and Polish language classes.
• Medical insurance and 21 days of paid sick leave per year.
• 21 days of paid vacation per year.
• Flexibility to work remotely or from the office in Podil.
• Frequent team-building activities and a supportive professional environment.

Hiring process

• Interview with a Talent Acquisition Specialist.
• Professional technical interview.
• Management interview.