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I'm Xavier Guertin, a full-stack software engineer. I've built and shipped an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. My work spans the full stack from Next.js/React portals to Fastify API services and Python-based telephony engines, integrated with Telnyx and OpenAI's real-time API. I've implemented secure, scalable infrastructure with Azure Entra ID, MongoDB, Redis, and Azure Blob Storage, and connected external systems like Zoho CRM and Stripe for streamlined billing and customer management. I also build dashboards to track KPIs, performance, and revenue, ensuring operational visibility and data-driven decisions. I thrive at the intersection of product, engineering, and business, delivering reliable software that users love. I combine hands-on development with leadership, incident response, and continuous improvement, always focusing on security, performance, and UX while mentoring teams and driving cross-functional collaboration.…I'm Xavier Guertin, a full-stack software engineer. I've built and shipped an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. My work spans the full stack from Next.js/React portals to Fastify API services and Python-based telephony engines, integrated with Telnyx and OpenAI's real-time API. I've implemented secure, scalable infrastructure with Azure Entra ID, MongoDB, Redis, and Azure Blob Storage, and connected external systems like Zoho CRM and Stripe for streamlined billing and customer management. I also build dashboards to track KPIs, performance, and revenue, ensuring operational visibility and data-driven decisions. I thrive at the intersection of product, engineering, and business, delivering reliable software that users love. I combine hands-on development with leadership, incident response, and continuous improvement, always focusing on security, performance, and UX while mentoring teams and driving cross-functional collaboration.

Xavier Guertin

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Xavier Guertin, a full-stack software engineer. I've built and shipped an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. My work spans the full stack from Next.js/React portals to Fastify API services and Python-based telephony engines, integrated with Telnyx and OpenAI's real-time API. I've implemented secure, scalable infrastructure with Azure Entra ID, MongoDB, Redis, and Azure Blob Storage, and connected external systems like Zoho CRM and Stripe for streamlined billing and customer management. I also build dashboards to track KPIs, performance, and revenue, ensuring operational visibility and data-driven decisions. I thrive at the intersection of product, engineering, and business, delivering reliable software that users love. I combine hands-on development with leadership, incident response, and continuous improvement, always focusing on security, performance, and UX while mentoring teams and driving cross-functional collaboration.…I'm Xavier Guertin, a full-stack software engineer. I've built and shipped an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. My work spans the full stack from Next.js/React portals to Fastify API services and Python-based telephony engines, integrated with Telnyx and OpenAI's real-time API. I've implemented secure, scalable infrastructure with Azure Entra ID, MongoDB, Redis, and Azure Blob Storage, and connected external systems like Zoho CRM and Stripe for streamlined billing and customer management. I also build dashboards to track KPIs, performance, and revenue, ensuring operational visibility and data-driven decisions. I thrive at the intersection of product, engineering, and business, delivering reliable software that users love. I combine hands-on development with leadership, incident response, and continuous improvement, always focusing on security, performance, and UX while mentoring teams and driving cross-functional collaboration.

Available to hire

I’m Xavier Guertin, a full-stack software engineer. I’ve built and shipped an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. My work spans the full stack from Next.js/React portals to Fastify API services and Python-based telephony engines, integrated with Telnyx and OpenAI’s real-time API. I’ve implemented secure, scalable infrastructure with Azure Entra ID, MongoDB, Redis, and Azure Blob Storage, and connected external systems like Zoho CRM and Stripe for streamlined billing and customer management. I also build dashboards to track KPIs, performance, and revenue, ensuring operational visibility and data-driven decisions.

I thrive at the intersection of product, engineering, and business, delivering reliable software that users love. I combine hands-on development with leadership, incident response, and continuous improvement, always focusing on security, performance, and UX while mentoring teams and driving cross-functional collaboration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

French

Fluent

English

Fluent

Work Experience

Co-Founder & Developer at VocalOps.ca

May 1, 2022 - Present

Built and delivered an end-to-end AI-powered voice operations platform, automating call handling, real-time transcription, conversation analysis, urgent request routing, SMS workflows, bookings, and live information retrieval. Designed and implemented a Next.js/React portal, Fastify (TypeScript) API, and a Python-based intelligent telephony engine integrated with Telnyx and OpenAI RealTime API. Enabled real-time voice interactions and decision-making, significantly reducing manual intervention in operations. Implemented authentication with Azure Entra ID, data persistence with MongoDB and Redis, and file storage via Azure Blob Storage. Connected external systems including Zoho CRM and Stripe for customer management and billing automation. Built dashboards for KPIs, tracking calls, team performance, knowledge base usage, and revenue.