Sebastian Alvarado

Software Engineer at Shopify Financial Services | YC (W22) and Relay Alumn

Co-founder

Valari· Winter 2022 🇨🇦 Canada

in LinkedIn

2025Senior Engineer, Financial Services· Shopify

Founder · since 2022

Company

Shopify

Role

Senior Engineer, Financial Services

current

Stage

—

no public source

Raised

—

no public source

Based

Toronto, Ontario, Canada

current

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Valari

Embedded finance platform for LatAm.

Winter 2022

Experience

Career

Shopify
Senior Engineer, Financial Services · Toronto, Ontario, Canada · 2025 – Present
2025
Valari (YC W22)
Co-founder
Co-Founder / Head of Engineering · Toronto, Ontario, Canada · 2022 – 2025
2022
Relay Financial
Software Engineer · Toronto, Ontario, Canada · 2019 – 2022
2019
IBM
Full Stack Developer · Toronto, Ontario, Canada · 2017 – 2019
2017

Bio

Former CTO and co-founder of Valari, Sebastian has over 7 years of experience building software at the intersection of finance and technology. He holds a degree in Computer Science with a specialization in Artificial Intelligence from the University of Toronto. Before Valari, he was part of the founding team at Relay, where he helped scale the company from 0 to $20M in ARR and 50,000 SMB customers. He is currently at Shopify, working to empower entrepreneurs around the world by building better f