Five9
Technology
SrAISoftwareEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Sr AI Software Engineer at Five9”
Industry & Context.
What They're Looking For.
Must Have
4+ years frontend engineering experience, Shipping production applications at scale, Modern JavaScript/TypeScript, React, Real-time applications using WebSocket or SSE, Electron-based desktop applications, Contact Center domain concepts, CCaaS platforms, Agent Assist or AI Agents platform development, Microfrontend architecture, CI/CD tooling, Automating build validation, Automating deployment pipelines, Clean, usable interfaces for enterprise users, Cloud deployment to S3 or CDN
Nice to Have
Background in speech analytics, Background in conversation intelligence, Background in post-call QA platforms, HLS or other media streaming protocols, Multi-tenant SaaS products, Observability and analytics tooling, Browser-based file processing
How You'll Work.
Team & Collaboration
Product teams; AI teams; Backend engineering; Backend teams; AI platform teams
Full Job Description
Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. About the Role We are looking for a Senior Frontend Engineer to join the AI team at Five9, building tools that enable 3rd-party Contact Center and call recording platform customers to integrate with Five9's AI capabilities. You will own the frontend of a standalone AI application used by enterprise customers and sales teams, working closely with product, AI, and backend engineering to deliver fast, reliable, and intuitive experiences in a real-time contact center environment. What You'll Do Build and maintain the AI Standalone frontend application, including data ingestion, mapping, and transformation workflows Develop real-time UI features using WebSocket and streaming protocols for live agent and supervisor experiences Design and deliver desktop applications (Electron or equivalent) alongside web-based interfaces where the use case demands it Design intuitive interfaces for non-technical operations and sales users working with contact center data Implement scalable frontend architectures including Microfrontend patterns for modular, multi-team codebases Collaborate with backend and AI platform teams on integration patterns for real-time data and AI-driven features Build and maintain CI/CD pipelines, automated test validation, and code quality checks to support fast delivery Instrument applications with observability and session tooling (Sentry, LogRocket, New Relic, or equivalent) Lead and mentor engineers within the team and contribute to frontend engineering standards and practices Support expanding integrations across multiple 3rd-party C
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