Staff Lead 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, highly complex applications. Our team is passionate about delivering quality software that meets the highest standards. We offer a 100% remote working environment with a collaborative and supportive team, allowing you to focus on what you do best.

Role Overview
We are seeking a Staff Lead Engineer with deep expertise in .NET Framework (4.5–4.8) and WPF desktop application development using XAML. This is a hands-on technical leadership role where you’ll guide a team in maintaining and modernizing a large-scale legacy desktop application while driving best practices and architectural improvements.

The ideal candidate will be a strong communicator and technical mentor, with a proven ability to balance deep technical contributions with leadership responsibilities. You will work closely with global teams to improve application performance, scalability, and maintainability while leading modernization efforts within an evolving tech environment.

Responsibilities

• Technical Leadership: Lead the design, development, and delivery of features within a large-scale WPF desktop application built on .NET Framework (4.5–4.8).
   
• Architecture & Design: Define and implement architectural patterns to enhance performance, scalability, and maintainability.
   
• Hands-On Development: Write high-quality, maintainable code in C#, leveraging WPF and XAML for rich client-side UI.
   
• Modernization & Refactoring: Guide the team through refactoring efforts, technical debt reduction, and incremental modernization strategies.
   
• Collaboration: Work cross-functionally with backend, QA, DevOps, and product teams to ensure high-quality software delivery.
   
• Mentorship: Provide technical guidance, conduct code reviews, and mentor mid- and senior-level engineers on best practices in WPF and .NET development.
   
• Performance Optimization: Identify bottlenecks and optimize desktop performance for responsiveness and reliability.
   
• UI/UX Improvements: Collaborate with designers and product managers to ensure high-quality, user-friendly interfaces.
   
• Testing & Quality: Advocate for test automation and enforce quality assurance standards throughout the development process.
   
• Technical Strategy: Partner with engineering leadership to define long-term technical vision and modernization roadmaps.
   

Minimum Qualifications

• Candidate must be located in India.
   
• 10+ years of professional experience in software engineering.
   
• Expert-level proficiency in .NET Framework 4.5–4.8, C#, WPF, and XAML.
   
• Strong understanding of MVVM architecture, data binding, and dependency injection.
   
• Proven experience leading teams or projects within complex software systems.
   
• Experience with