Senior Full Stack Engineer Realtime

Responsibilities

• Own the voice channel end to end, including telephony and CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, realtime model orchestration, and latency and quality budgets.
• Build product features across React/TypeScript front ends, Scala and Python backend services, and GCP infrastructure.
• Design multi-tenant systems that serve multiple partners through configuration rather than code forks.
• Build safety and compliance capabilities including guardrails, content filtering, and PII redaction integration points.
• Maintain revenue-critical deployments through observability, alerting, incident response, SLA performance, and rollback planning.
• Build platform capabilities that forward-deployed engineers configure for partner telephony integrations and go-lives.
• Contribute through code reviews, architecture reviews, mentoring, and cross-functional collaboration.

Requirements

• 6+ years of software engineering experience with senior-level ownership of production systems and genuine full-stack range.
• Hands-on realtime systems experience such as voice applications, WebRTC/SIP, streaming media, or comparable low-latency products.
• Strength with React and TypeScript plus backend depth in Scala or another JVM language and/or Python.
• Cloud infrastructure experience with GCP or AWS.
• Experience designing, building, and maintaining RESTful APIs, microservices, or event-driven systems.
• Familiarity with AI coding tools and the judgment to review, correct, and own shipped code.
• Experience operating production systems with SLAs, observability, on-call rotations, and rollback plans.
• Strong problem-solving, pragmatic tradeoff judgment, iterative delivery, and communication across product, design, and operations.
• Conversational AI or LLM orchestration experience, including Deepgram, ElevenLabs, Whisper, or OpenAI Realtime, is a bonus.
• Working knowledge of Twilio, Amazon Connect, Genesys, or LiveKit is a bonus.
• Experience with customer service, CRM, contact center, or workflow automation tools is a bonus.
• Familiarity with travel technologies such as PSS/GDS and hotel PMS/CRS is a plus.

Benefits

• Unlimited PTO.
• Carrot Cash travel stipend.
• On-demand coworking access through FlexDesk and a work-from-home stipend.
• Generous parental leave.
• 100% employer-paid medical, dental, and vision coverage for employees.
• Disability and life insurance access.
• Health Reimbursement Account, DCA/FSA, and access to a 401k plan.
• Remote role, indicated by the #LI-Remote designation.
• Competitive salary and pre-IPO equity packages are offered, but no base salary amount is stated.