Job Description

Senior Software Engineer (.NET Framework / WPF)
About Us
Tech9 is shaking up a 20-year-old industry, and we're not slowing down. Recognized by Inc. 5000 as one of the nation's fastest-growing companies, we are dedicated to building innovative, high-quality software solutions. Our team is passionate about delivering technology that makes an impact. We offer a 100% remote working environment with a collaborative and supportive culture, allowing you to focus on what you do best.
Role Overview
We are looking for a Senior Software Engineer with strong experience in .NET Framework (4.5-4.8) and WPF desktop application development using XAML. In this role, you will contribute to the enhancement and modernization of an existing WPF application, helping to improve performance, maintainability, and overall user experience.
The ideal candidate is a hands-on engineer who takes ownership, writes clean and maintainable code, and collaborates closely with other developers, QA engineers, and designers. You'll play a key role in refactoring legacy components and implementing new features within a mature, large-scale desktop application.
Responsibilities

• Application Development: Design, develop, and maintain desktop applications using .NET Framework (4.5-4.8), C#, and WPF.
• UI Implementation: Build rich, interactive user interfaces using XAML and apply MVVM design principles.
• Feature Enhancement: Work on improving legacy features and building new components in collaboration with cross-functional teams.
• Performance Optimization: Identify and fix performance bottlenecks to ensure a responsive and stable user experience.
• Code Quality: Write clean, maintainable, and testable code while adhering to established coding standards and practices.
• Collaboration: Work with architects, senior engineers, and QA teams to ensure smooth and efficient feature delivery.
• Debugging & Troubleshooting: Diagnose complex issues and implement robust, maintainable fixes.
• Refactoring & Modernization: Participate in ongoing efforts to refactor legacy code and improve the overall architecture.
• Documentation: Maintain clear technical documentation and contribute to knowledge sharing within the team.

Minimum Qualifications

• Candidate must be located in India.
• 7+ years of professional experience in software development.
• Strong expertise in .NET Framework (4.5-4.8), C#, WPF, and XAML.
• Proficient in MVVM architecture, data binding, and dependency injection.
• Solid understanding of multi-threaded programming, UI performance, and memory management.
• Experience working with Git and CI/CD development workflows.
• Strong communication and teamwork skills with a proactive, ownership-driven mindset.

Preferred Qualifications

• Experience with .NET Framework 4.5-4.8, WPF and XAML.
• Familiarity with WCF services, REST APIs, and integrating third-party components.
• Understanding of WPF performance profiling and debugging tools.
• Exposure to Agile/Scrum environments.
• Bachelor's or Master's degree in Computer Science or a related technical field.

Why Join Us?

• Challenging Projects: Contribute to the evolution of a large-scale legacy desktop system while developing new features.
• Flexibility: 100% remote role based in India with flexible working hours.
• Collaboration: Work with a talented team of engineers and leaders in a supportive, global environment.
• Growth: Expand your technical depth in .NET Framework, WPF, and modernization strategies.

Hiring Process
Our hiring process is designed to be thoughtful, efficient, and focused on both technical ability and team fit: * 30-minute on-demand HireVue screening - Situational and behavioral questions to understand your ownership mindset, adaptability, and approach to collaboration.

• 10-minute virtual Q&A with our recruiter - A conversation to clarify the role and answer your questions (not an interview).
• 60-minute live technical interview 1 - Conducted with a member of our engineering team.
• 60-minute live technical interview 2- Conducted with a member of our engineering team.
• 15-30 minute chat with the hiring manager - To align on expectations and culture fit.
• 30-60 minute client session - Final step to ensure alignment with client needs.

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