Senior Full Stack Engineer, Realtime & Voice

This is a fully remote position, open to applicants in Canada.

📋 Description

• Take full ownership of the voice channel from start to finish, encompassing telephony and CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, real-time model orchestration, as well as managing latency and quality budgets.

• Develop product features utilizing React/TypeScript for web chat front ends, alongside Scala and Python for backend services, and leverage GCP infrastructure.

• Create a multi-tenant architecture that caters to various partners through configuration instead of code forks.

• Establish safety and compliance systems, which include guardrails, content filtering, and integration points for PII redaction.

• Ensure the maintenance of revenue-critical deployments via observability, alerting, incident response, and SLA performance monitoring.

• Develop platform capabilities that are utilized by engineers in the field for partner telephony integrations and successful go-lives.

• Engage in code reviews, architecture assessments, and provide mentorship.

⛳️ Requirements

• A minimum of 6 years of experience in software engineering.

• Senior-level responsibility for production systems with a comprehensive full-stack skill set.

• Practical experience with real-time systems, such as voice applications, WebRTC/SIP, streaming media, or similar low-latency products.

• Proficiency in React and TypeScript.

• Backend skills in Scala or another JVM language and/or Python.

• Experience with cloud infrastructure, particularly on GCP or AWS.

• Proven track record in designing, building, and maintaining RESTful APIs, microservices, or event-driven systems.

• Familiarity with AI coding tools as a routine part of the development workflow.

• Experience with SLAs, observability practices, on-call rotations, and rollback strategies.

• Capability to deconstruct complex problems, make pragmatic decisions, and deliver iteratively.

• Strong communication skills across product, design, and operations teams.

• Experience in conversational AI or LLM orchestration is a plus.

• Knowledge of speech technologies such as Deepgram, ElevenLabs, Whisper, or OpenAI Realtime is advantageous.

• Familiarity with cloud telephony or CPaaS platforms like Twilio, Amazon Connect, Genesys, or LiveKit is beneficial.

• Experience in building customer service, CRM, contact center, or workflow automation tools is an asset.

• Understanding of travel industry technologies (PSS/GDS, hotel PMS/CRS) is a plus, though not essential.

🏝️ Benefits

• Competitive salary.

• Pre-IPO equity packages.

• Hopper covers 100% of group insurance premiums.

• Coverage for life insurance, short-term disability, and long-term disability.

• HSA that covers eligible medical and dental expenses.

• Access to Dialogue telemedicine services for employees and dependents, available anytime and anywhere.

• RRSP plan with automatic pre-tax contributions every pay period.

• Generous parental leave policy.

• Unlimited paid time off (PTO).

• Carrot Cash travel stipend.

• On-demand coworking space available via FlexDesk.

• Work-from-home stipend.

• An entrepreneurial culture.

• Open lines of communication with management and company leadership.

• Small, agile teams making a significant impact.