Technical Lead (.Net) - Chicago, IL (Onsite) - (F2F interview required)

About the role

We are looking for a highly skilled Technical Lead with strong hands-on experience in ASP.NET (Framework & .NET 10) and React to lead the design and development of modern, scalable web applications. The ideal candidate will provide technical leadership, mentor team members, and leverage productivity tools such as GitHub Copilot to drive engineering excellence and delivery efficiency.

Key Responsibilities

• Technical Leadership
  • Lead architecture, design, and development of enterprise applications using ASP.NET Framework, .NET 10, and React
  • Define and enforce coding standards, design guidelines, and best practices
  • Perform code reviews and ensure high code quality, maintainability, and performance
  • Mentor developers and provide technical guidance across backend and frontend stacks
  • Drive adoption of modern development practices and AI-assisted tools such as GitHub Copilot
• Application Development
  • Design and develop secure, scalable, and high-performance web applications
  • Build RESTful and microservice-based APIs using ASP.NET Framework and .NET 10
  • Develop responsive UI components using React, TypeScript, JavaScript, HTML5, and CSS
  • Integrate frontend applications with backend services and databases
  • Optimize application performance, security, and reliability
• Collaboration & Delivery
  • Collaborate with Product Owners, Architects, QA, DevOps, and UI/UX teams
  • Participate in sprint planning, estimation, and technical design discussions
  • Translate functional and nonfunctional requirements into technical solutions
  • Support releases, production issues, and root cause analysis
• Quality & Tooling
  • Guide teams in effective usage of GitHub Copilot for code generation, refactoring, and documentation
  • Encourage automated testing, code scanning, and secure coding practices
  • Ensure proper logging, monitoring, and error handling

Required Skills & Qualifications

• Technical Skills
  • 12+ years of experience in software development
  • Strong expertise in ASP.NET Framework and .NET (including .NET 10)
  • Strong hands-on experience with React and modern frontend development
  • Proficiency in C#, REST APIs, Web Services
  • Experience with SQL Server / PostgreSQL / Oracle
  • Strong understanding of OOP, SOLID principles, design patterns
  • Experience using Git, GitHub workflows, pull requests, and code reviews
  • Working knowledge of GitHub Copilot or similar AI-assisted coding tools
• Leadership & Soft Skills
  • Proven experience leading or mentoring development teams
  • Excellent problem-solving and analytical skills
  • Strong communication and cross-team collaboration abilities
  • Ability to balance hands-on development with leadership responsibilities

Preferred / Nice to Have Skills

• Experience with Azure
• Knowledge of Microservices architecture
• Familiarity with Docker, Kubernetes
• Experience with EF Core, Dapper
• Agile/Scrum experience
• Awareness of application security and compliance standards

Education

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Why Join R Systems?

• Frequent Internal Hackathons: Engage in dynamic competitions with exciting prizes to keep your skills sharp.
• Cultural Celebrations: Strengthen our familial bonds through shared celebrations, fostering a sense of community.
• Diverse Project Exposure: Work on a variety of projects across sectors like Healthcare, Banking, e-commerce, and Retail, collaborating with leading global brands.
• Centre of Excellence (COE): Benefit from technical guidance and upskilling opportunities provided by our team of technology experts, helping you navigate your career path.
• E-Learning Platform: Gain access to comprehensive e-learning platforms coupled with a robust mentorship program to enhance your skills.
• Open Door Policy: Embrace a culture of mutual support, respect, and open dialogue, promoting a collaborative work environment.