Senior Full Stack Engineer – Telephony

🕒 April 20

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Yelp

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2004

Yelp is a platform that connects consumers with local businesses, allowing users to discover and review a wide variety of services including restaurants, home services, and automotive services. It aims to help consumers find trusted recommendations for goods, services, and experiences in their local area, while offering business owners tools to manage customer interactions and promote their offerings.

📋 Description

• Build and scale Voice AI infrastructure: LLM-powered voice bots, real-time call transcription, and AI-generated call summaries using LiveKit, OpenAI, Deepgram, and Cartesia • Develop custom Twilio Flex plugins (React/Node.js) that sales and CS reps use every day: autodialers, call controls, admin dashboards, CRM integrations • Build backend services and APIs using Node.js, AWS Lambda, and DynamoDB that handle call routing, task management, and Salesforce reporting • Manage cloud infrastructure with Terraform, Terragrunt, and Atlantis across Twilio and AWS environments • Build new messaging capabilities (SMS, RCS) within Twilio Flex for customer communication • Work closely with business partners across Sales, Customer Success, Collections, and Product to scope and deliver features that drive revenue • Help keep the platform reliable through lightweight on-call/on-point rotations (production incidents are rare and the platform is stable)

🎯 Requirements

• Interest in or experience with AI/ML, especially conversational AI, voice technologies, or LLMs • Strong experience with JavaScript/TypeScript and modern web development (React, Node.js) • Experience building and running applications on AWS (Lambda, DynamoDB, S3, API Gateway, or similar services) • Familiarity with infrastructure-as-code, ideally Terraform • Comfortable working across the full stack: frontend, backend, and cloud infrastructure • Good at debugging and working through problems across distributed systems that span multiple platforms • Clear communicator who can work well with both engineers and non-technical business partners.

🏖️ Benefits

• There may be flexibility with the range included in this posting should a candidate be leveled higher or lower than the posted range.