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Senior Software Engineer — C# / WPF
CaseGuard
Arlington, USA
Full-time
Senior Level
Onsite
Discovered 1 weeks ago
Free
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CaseGuard is looking for a senior engineer to help drive the evolution of CaseGuard Studio, a feature-rich .NET desktop application for video, audio, image, and document redaction.
You'll own significant areas of a large WPF codebase that spans real-time video playback, AI-powered detection, and media processing pipelines — and help shape how the team builds software.
Responsibilities
- Lead technical design with product owners and designers, turning ambiguous product goals into architecture, actionable tasks, and timely delivery.
- Design and build high-quality, high-performance UI and frameworks in a large WPF application.
- Own cross-cutting concerns: performance, threading, memory, stability, and error handling.
- Drive incremental refactoring and modernization of existing code without disrupting releases.
- Mentor junior engineers through code reviews, pair programming, and design feedback, raising the team's engineering standards.
- Design and build proof-of-concepts for new capabilities and de-risk them before full investment.
Qualifications (Required)
- Bachelor's degree in Computer Science or related field.
- 5+ years of professional software development experience, including 3+ years developing rich-client .NET desktop applications, with a track record of owning features from design through production.
- Expert-level C# and .NET (Framework and modern .NET).
- In-depth WPF and XAML: custom controls, templating, data binding, rendering and virtualization behavior.
- Deep experience with multi-threading and asynchronous programming in C#, including UI thread marshaling, TPL, async/await, producer-consumer pipelines, and cancellation.
- Proven experience profiling and optimizing desktop applications (CPU, memory, render performance).
- Strong command of MVVM plus broader patterns: dependency injection, repository, messaging/event aggregation.
- Strong understanding of SOLID principles and the ability to create clean, error-tolerant, and testable designs, with the judgment to apply them pragmatically in legacy code.
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