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Yelp

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Senior Full Stack Engineer – Telephony

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2004H1B SponsorCompany SiteLinkedIn

Location

Canada

Posted

47 days ago

Salary

$135K - $185K / year

Seniority

Senior

Job Description

Senior Full Stack Engineer – Telephony

Yelp

• 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)

Job 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.

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