[Remote] Senior Front End Engineer - Avaya Infinity Platform Job Details | Avaya

Note: The job is a remote job and is open to candidates in USA. Avaya is an enterprise software leader that helps organizations forge unbreakable connections. They are seeking a Senior Front End Engineer to build and maintain the Avaya Infinity platform, focusing on creating reliable, performant, and accessible user interfaces for real-time communication. The role includes mentoring junior engineers and contributing to architectural decisions while ensuring high standards of code quality and performance optimization.ResponsibilitiesDesign and build performant, accessible SPAs for real-time contact center workflows (agent desktops, supervisor dashboards, configuration tools) where latency and throughput directly impact customer experienceContribute to and maintain a shared component library / design system used across product teamsWrite well-tested, production-grade TypeScript — both in React on the frontend and Node.js microservices where neededBuild for reliability first: design features that degrade gracefully, handle network instability, and perform consistently under loadOwn production readiness: structured logging, metrics, alerting, and incident response for the services you shipProfile, measure, and optimize rendering performance, memory usage, and network efficiency in data-intensive real-time UIsParticipate in architecture decisions and advocate for sustainable, well-documented patternsDocument feature designs, technical decisions, and production troubleshooting playbooks so the team can operate and evolve systems without single points of knowledgeMentor other engineers through code review, pairing, and technical guidanceIntegrate AI-assisted development tools thoughtfully — using them to accelerate delivery while applying engineering judgment to the outputSkills7+ years of professional software engineering experience5+ years focused on frontend development using React and TypeScriptDeep understanding of component architecture, performance optimization, and modern rendering patternsReliability-first engineering — you build stable, resilient features and treat every edge case, error state, and failure mode as a first-class concernPerformance and scale awareness — experience profiling and optimizing for latency, throughput, memory efficiency, and rendering performance in data-intensive UIs2+ years of real-time UI experience — you've built interfaces powered by WebSockets, streaming data, or similar and understand the state management and performance challenges that come with themAccessibility expertise — practical experience implementing WCAG 2.2 AA: ARIA patterns, keyboard navigation, live regions, and automated a11y testingStrong testing discipline — unit, integration, and end-to-end testing are part of how you work, not an afterthought (e.g., Vitest/Jest, Testing Library, Playwright)2+ years with a production ownership mindset — you've operated what you've built, responded to incidents, and improved reliability based on what you learnedTechnical mentorship — 2+ years of demonstrated ability to raise the bar for a team through code review, architectural guidance, and knowledge sharingExcellent written and verbal communication — you can articulate technical decisions clearly to engineers, product managers, and stakeholders alike, and you default to writing things downExperience with design-system tooling (Storybook, shared component libraries, theming systems)Rich content integrations: embedded editors, data grids, canvas/diagram rendering1–2 years of backend fluency with Node.js microservices, message brokers (Kafka), caching layers (Redis), or relational databasesFamiliarity with OAuth 2.0 / OIDC authentication flows1+ years of cloud platform experience (Azure preferred), containerization (Docker/Kubernetes), and CI/CD pipeline design (GitHub Actions, GitOps)Contract testing, API mocking, or integration testing with tools like PACT, MSW, or TestcontainersInternationalization and localization at scale (i18n frameworks, RTL support, multi-locale workflows)Feature flagging and experimentation platformsFamiliarity with SRE principles — error budgets, SLOs/SLIs, fault containment, capacity planning, and post-incident reviewBenefitsBonus potentialBenefitsCompany OverviewAvaya is a global leader in enterprise communications, hybrid cloud CCaaS and UC solutions for mission-critical, AI-agnostic workflows. It was founded in 2000, and is headquartered in Morristown, New Jersey, USA, with a workforce of 5001-10000 employees. Its website is http://www.avaya.com.