Summary
Jeremy Tenjo is a CTO and front-end engineer with nine years of experience building user-focused, scalable web platforms for major retail and automotive clients. He specializes in TypeScript, React, GraphQL, modern CSS and Firebase, and has hands-on experience maintaining GraphQL servers backed by headless CMS and building accessible component libraries. Previously a senior developer at Critical Mass, he handled large, dynamic datasets and helped productionize Next.js/Apollo stacks for enterprise projects. Jeremy combines agency and freelance experience—shipping product work for Best Buy and independent apps like iLandlord and Live Note—with operational know-how from managing rental properties. Based in Toronto, he brings both technical leadership and a pragmatic product sensibility that balances developer ergonomics with client-facing stability. Colleagues describe him as a developer who pairs front-end craftsmanship with system-level thinking to keep projects both polished and scalable.
9 years of coding experience
11 years of employment as a software developer
Certificate Interactive Media Specialist, Certificate Interactive Media Specialist at Fanshawe College
English, Spanish