Frontend Architect - React AI in London

Job Description

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion.

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Job Description: UI Developer (React, TypeScript and AI)

Role Overview-

We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing, and deployment.

Technical Skills & Expertise-

Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript

Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs

State Management & Programming: Solid experience with state management libraries (e.g., Redux) and reactive programming paradigms

Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA)

Testing: Hands-on experience with React Testing Library / Jest for unit and integration testing

UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress

Desired Experience

Experience working on financial services or trading platforms is an advantage

Strong understanding of performance optimization and low-latency UI applications

Experience with highly available, mission-critical systems.

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