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 and enthusiasm for learning new tools, frameworks, and best practices

• Self-motivated individual who can work independently as well as collaboratively in a team environment and lead the team efficiently while meeting the goals

• Adaptability to fast-paced, dynamic environments with changing priorities and requirements

• Strong written and verbal communication skills in English, with ability to articulate technical concepts

• Commitment to writing clean, maintainable code and following software engineering best practices Proactive approach to identifying and resolving technical debt and process improvements

Education & Experience:

• Bachelor's or Master's degree in Computer Science, Information Technology, or equivalent practical experience

• 11+ years of professional software development experience building enterprise-scale applications