Principal Software Engineer

Overview Job Title: Principal Engineer – Frontend / UI (ReactJS & .NET UI)

Location: Bengaluru

Job Summary HealthEdge is seeking a Principal Frontend/UI Engineer to lead the design, modernization, and delivery of enterprise-grade user interfaces for US healthcare software platforms. This role requires deep expertise in legacy .NET Framework UI development (C#, WinForms, DevExpress) and modern ReactJS-based web applications. The ideal candidate will drive UI architecture, modernization strategy, engineering standards, and mentorship while ensuring secure, accessible, maintainable and high-quality healthcare user experiences. One will also coordinate with the rest of the team working on different layers of the stack. Therefore, a commitment to collaborative problem-solving, sophisticated design and high-quality products are important. Strong written and verbal communication skills in English.

Key Responsibilities:

• Lead frontend/UI architecture across legacy .NET UI applications and modern ReactJS web applications
• Establish frontend engineering standards, best practices, and design patterns
• Deliver scalable, accessible, maintainable and performant UI solutions aligned with US healthcare compliance needs
• Mentor frontend engineers and provide technical leadership in the team
• Lead the full software development lifecycle from requirements analysis through deployment and production support
• Collaborate with Product, UX, QA, and cross-functional stakeholders in an Agile environment
• Ability to understand complex problems and build small PoCs or technical spikes to evaluate frontend solutions when required and communicating to leadership to influence.
• Work as part of agile team to implement according to the requirements while adhering to the best coding development standards and architectural standards.
• Experience with building large-scale cloud based or on-prem web applications on AWS, Docker, Kubernetes

Required Skills & Qualifications: Legacy Frontend / UI Stack:

• Strong experience with C# and .NET Framework for UI development
• Experience with DevExpress or similar third-party UI component libraries
• Consuming SOAP-based web services from UI applications
• UI automation/testing using Ranorex and NUnit is preferrable
• Strong understanding of event-driven UI programming, UI state management, and lifecycle handling in .NET applications

Modern Frontend Stack:

• Strong proficiency in ReactJS, including:
• Virtual DOM, Hooks, component architecture, state management, data flow and forms
• JavaScript, TypeScript, HTML, CSS, responsive design, npm (or yarn), express
• State management: Redux (or equivalent)
• API integration using Axios, node-fetch, or similar
• UI testing using Jest and Katalon. Experience with test driven development practices.
• Styling using Material UI, styled-components, or similar libraries

Other Skills:

• Git, JIRA, SalesForce
• Debugging using Chrome DevTools and React DevTools
• Development environments: VS Code (NeoVIM a plus)
• Agile/Scrum development methodology
• Strong understanding of ADA / accessibility standards
• Experience building enterprise healthcare applications are a plus
• Awareness of HIPAA-conscious UI design, data privacy, and security best practices are a plus
• Ability to deliver highly reliable, user-friendly interfaces for clinical, claims, or payer workflows
• Understanding of UI/UX best practices and branding consistency
• Defines frontend technical design, standards, strategy and long-term UI direction by working with UX and other architects.
• Leads complex UI initiatives with cross-team impact and works with cross functionalities team of the entire stack
• Acts as a mentor and technical lead. Experience leading the team is a must.
• Exposure to Micro frontend architecture is a plus
• Experience with UI architectural patterns
• Ability to structure UI code for maintainability, testability, and separation of concerns
• Experience optimizing UI responsiveness, rendering performance, and memory usage in .NET desktop or thick-client UI applications and Web applications
• Participate in production support, root cause analysis, and defect resolution for UI applications
• Ensure frontend solutions meet reliability, performance, and operational readiness standards

What We’re Looking For

• Strong analytical and problem-solving abilities with attention to detail and quality
• Passion for technology a…