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Exit83

Senior Backend Engineer

Exit83, Austin, Texas, us, 78716

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Company Description

Job Description

About the Company: This organization provides a trusted, robust software platform tailored for eye care practices, used by over 5,000 optometrists and ophthalmologists across the U.S. Its EHR and practice management suite simplifies clinical, billing, and operational workflows with unmatched configurability and reliability. As the company modernizes its technology stack and expands cloud capabilities, it's investing in engineering talent to lead this transformation.

About the Role: We're seeking a Senior .NET Software Engineer to contribute to the modernization of our flagship desktop application and the development of new cloud-native services. You will work closely with experienced Windows developers and UI/UX teams, contribute to architectural discussions, and take ownership of key features across the tech stack.

This is a highly impactful role for a hands-on engineer excited to work with modern .NET technologies, WPF, and next-generation application infrastructure. You'll be part of a team driving our transition to a modular, maintainable, and scalable platform.

Key Responsibilities: • Legacy Modernization: Refactor core functionality of a large .NET Framework WinForms codebase into modern .NET 8+ components using MVVM and WPF. • New Development: Help design and implement new microservices and internal APIs that underpin future cloud-hosted workflows, including support for React / Vue.js frontends. • Code Quality: Write clean, testable, and maintainable code. Participate in code reviews, unit testing, and continuous integration using GitHub Actions, SonarQube, and other DevOps tools. • Tooling and Automation: Use AI-enhanced tools like GitHub Copilot, Claude, and Cursor to boost productivity. Help adopt CI/CD pipelines and static analysis tools across the codebase. • Collaboration: Partner with senior engineers, QA, support, and product managers to ship secure, performant, and user-centric features. • Security and Compliance: Follow best practices for secure development, encryption, and HIPAA-aligned data handling.

Qualifications

Qualifications: • 5+ years of experience building applications using Microsoft technologies (.NET Framework/.NET 6/8, C#, WPF, WinForms). • Expert knowledge of the intricacies of WPF development. Has designed or refactored large-scale WPF applications. Fluent in MVVM, custom controls, data templating, styles and themes, dependency properties, and performance profiling. • Strong grasp of modern architectural patterns including MVVM, async programming, dependency injection, and modular design. • Demonstrated success working on large, legacy codebases and evolving them toward modern standards. • Experience with SQL (MySQL/MariaDB preferred), connection pooling, and data access performance optimization. • Familiarity with GitHub-based workflows, unit testing (xUnit/NUnit), and Agile/Scrum practices. • Comfortable with tools like GitHub, SonarQube, dotnet format, and Semgrep.

Nice to Have: • Experience with Electron, Mobile App Dev or web-based .NET apps. • Familiarity with frontend technologies such as TypeScript, Vue.js, or React. • Exposure to Redis, Docker, or Kubernetes in cloud-native environments. • Healthcare or EHR system experience, especially with HIPAA-compliant software.

Additional Information

All your information will be kept confidential according to EEO guidelines.