Top 5 Wpf ui developer Jobs in Washington, Dc

Software Engineer in Test – C# / WPF
CaseGuard —Arlington, VA
- Computer science
- Computer Science
- Mid-level
- Paid holidays
- Health insurance
Senior .NET Developer
Evolver Inc —Washington, DC
- $135,000 - $165,000 a year
- Full-time
- Hybrid work
- Background check
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
SR. & JR. .NET Developers
CyberBalance, LLC —Washington, DC
- Computer Science
- Office
- Windows
- Commuter assistance
- Paid holidays
C++ Application Developer
NASK Incorporated —Fairfax, VA
- Computer Science
- 5 years
- Office
- Profit sharing
- Retirement plan
Quick Apply

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Software Engineer in Test – C# / WPF

CaseGuard
Arlington, VA

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Job Details

Benefits

Stock options
Paid holidays
Health insurance
Dental insurance
401(k)
Vision insurance

Qualifications

C#
Model-View-ViewModel (MVVM)
Collaboration with product development teams
UI
WPF
Cross-functional communication

Full Job Description

We are seeking a detail-oriented and driven Software Engineer in Test to join our desktop application team. This role is focused on ensuring the quality and reliability of our WPF-based application through a combination of manual UI testing, automated test development, and integration testing. You will champion quality throughout the development cycle and own the release-readiness signal, working closely with developers to build a robust testing culture and infrastructure.

What You Will Do:

Design, develop, and maintain test cases, integration tests, and end-to-end test suites for a WPF desktop application built with C# and .NET Framework.
Perform thorough manual UI testing, including exploratory testing to surface edge cases and regressions.
Automate UI interactions and workflows using desktop automation frameworks (e.g. FlaUI) to build a reliable, repeatable test suite.
Verify media outputs: frame-accurate redaction checks, golden-file comparisons, and tolerance-based validation of AI detection results across GPU and CPU execution paths.
Collaborate with developers and product teams to understand feature requirements and define testable acceptance criteria.
Identify and document bugs with clear reproduction steps, root-cause analysis, and priority assessment; create and track bug tickets through resolution.
Participate in code reviews to provide input on testability, coverage gaps, and quality standards.
Contribute to a test-driven development (TDD) culture by writing tests alongside feature development and advocating for testability in design decisions.
Maintain and improve CI/CD pipeline integration so automated tests run consistently on every build.

Qualifications (Required):

Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience.
2+ years of experience in a software testing, QA engineering, or SDET role.
Proficiency in C# and experience with .NET Framework.
Hands-on experience writing and maintaining unit tests and integration tests using frameworks such as MSTest, NUnit or xUnit.
Experience performing manual UI testing for desktop or complex GUI applications.
Familiarity with WPF concepts (data binding, MVVM pattern, control hierarchy) sufficient to navigate and inspect the application under test.
Strong attention to detail and a methodical approach to reproducing and documenting issues.
Ability to work independently, prioritize effectively, and collaborate with cross-functional teams.

Qualifications (Nice to Have):

Experience automating WPF or Windows desktop UI interactions using tools such as FlaUI.
Demonstrated practice of test-driven development (TDD) or behavior-driven development (BDD).
Experience integrating automated test suites into CI/CD pipelines (e.g., GitLab CI, GitHub Actions, Azure DevOps).
Familiarity with performance profiling and identifying UI responsiveness or rendering bottlenecks in WPF applications.
Experience with SQL or embedded databases used by desktop applications.
Knowledge of accessibility testing standards and tools for Windows desktop applications.
Familiarity with static analysis or code quality tools in the .NET ecosystem.
Experience introducing test coverage to a large legacy codebase.

Benefits:

Competitive Salary
Stock Option
Medical, Dental, and Vision Insurance
401K
Paid Vacation
Ten paid holidays per year
Friendly and Learning environment

About CaseGuard

CaseGuard is a software company that helps law enforcement agencies, federal agencies, hospitals, schools, airports, and others manage all their media redaction needs in one easy-to-use redaction software. CaseGuard Studio is one of a kind. Our team is driven by a passion for great software design, creating great products, and creative processes; CaseGuard implements innovative ideas across multiple services and agencies. We invest in people. We nurture skills consistent with our values and our future strategy. Our passionate pursuit of excellence, the application of our creativity to solve our clients’ challenges, our technical expertise, and our collaborative spirit are measures of our success.

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wpf ui developer jobs in washington, dc

Software Engineer in Test – C# / WPF

Senior .NET Developer

SR. & JR. .NET Developers

C++ Application Developer

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