Senior Front End Engineer – Avaya Infinity Platform

Avaya

Senior Front End Engineer developing real-time communication platform for Avaya. Responsible for building accessible SPAs and maintaining component libraries in a high-performance environment.

Posted 5/15/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $128,500 - $173,000 per yearWebsite

Tech Stack

Tools & technologies

ReactTypeScript

About the role

Key responsibilities & impact

Design and build performant, accessible SPAs for real-time contact center workflows
Contribute to and maintain a shared component library / design system
Write well-tested, production-grade TypeScript
Build for reliability first
Own production readiness
Profile, measure, and optimize rendering performance
Participate in architecture decisions
Document feature designs and technical decisions
Mentor other engineers through code review
Integrate AI-assisted development tools thoughtfully

Requirements

What you’ll need

7+ years of professional software engineering experience
5+ years focused on frontend development using React and TypeScript
Deep understanding of component architecture, performance optimization, and modern rendering patterns
Reliability-first engineering
Performance and scale awareness
2+ years of real-time UI experience
Accessibility expertise
Strong testing discipline
2+ years with a production ownership mindset
Technical mentorship experience
Excellent written and verbal communication skills

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible working hours
Paid time off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptReactperformance optimizationcomponent architecturereal-time UIaccessibilitytesting disciplineproduction ownershipAI-assisted development toolsSPAs

Soft Skills

mentorshipcommunication