Principal UX Engineer

Microsoft

2 - 5 years

Bengaluru

Posted: 13/06/2025

Job Description

Overview

We are developing a planet-scale, multi-modal database system from the ground up, redefining how developers engage with data and artificial intelligence in the era of large language models. As a Principal UX Engineer, you will be responsible for leading the architecture, design, and development of modern, responsive, and intelligent user interfaces that present the core capabilities of our platform to users across a wide range of domains.

This role emphasizes thoughtful engineering and high-quality delivery over superficial design trends. You'll work closely with backend engineers and AI infrastructure teams to create fast, accessible, and extensible UI components, systems, and flows.

Qualifications

Required Qualifications

Bachelor's degree in computer science, Engineering, or a related technical field AND 6+ years of experience building production-grade front-end systems.

Expert-level proficiency in React and JavaScript/TypeScript.
Hands-on experience building component libraries or contributing to design systems (e.g., Fluent UI, Material UI, or similar).
Strong command of accessibility (a11y), responsiveness, and front-end performance best practices.
Proven ability to deliver stable and scalable UIs in fast-paced product environments.

Preferred Qualifications

10+ years of experience in UI/UX engineering or front-end systems design.

Experience building user interfaces for developer tools, AI/ML platforms, or large-scale enterprise applications.
Familiarity with distributed systems concepts, data-intensive workflows, or AI/LLM-powered user experiences.
Ability to reason about complex application state and asynchronous workflows.
Experience with TypeScript at scale and large front-end monorepos

Responsibilities

Lead front-end architecture: Design and implement modular, performant UI systems using React and Fluent UI.
Own critical user flows: Translate complex system capabilities into intuitive, elegant user interactions and responsive layouts.
Engineer for performance and scale: Optimize UI rendering, manage application state effectively, and ensure high responsiveness across large data sets and dynamic views.
Set quality standards: Establish and uphold code quality, accessibility, and usability guidelines for the front-end codebase.
Collaborate across disciplines: Work closely with backend, systems, and platform engineers to integrate UI with AI and data infrastructure.
Mentor and lead by example: Provide technical direction and mentorship to other engineers, fostering a strong front-end culture

About Company

Microsoft Corporation is a leading American multinational technology company founded in 1975 by Bill Gates and Paul Allen. Headquartered in Redmond, Washington, Microsoft is best known for its software products, including the Windows operating system, Microsoft Office Suite, and Azure cloud services. The company also produces hardware like the Surface devices and owns LinkedIn, GitHub, and the Xbox gaming brand. Microsoft is one of the world's most valuable companies, playing a key role in personal computing, enterprise software, AI, and cloud computing.