Software Engineer
Posted on 11/12/2025

Flywheel Digital
No salary listed
Toronto, ON, Canada
Hybrid
Three days on-site per week required.
About Flywheel
The Opportunity
As a Fullstack Software Engineer Co-op at Flywheel, you will be contributing to web applications across multiple product lines, working with Django Python and Java Spring Boot backends, and ReactJS Typescript and Angular Typescript frontends, helping to deliver an exceptional user experience across our platforms. Amazon Ads is a $40B business today and every retailer on the planet is replicating the Amazon playbook. We’ve already transformed the way businesses approach e-commerce and online advertising and we’re ready to continue growing.
In this role, you will support our Perpetua product, which focuses on the seller and SMB market segment within the Flywheel portfolio. Perpetua provides growth optimization and reporting technology for the world’s smartest eCommerce businesses. Through the platform, brands and sellers create goals based on strategy and rely on Perpetua’s best-in-class, always-on optimization to execute tactically.
We are looking for a 8-16 Month intern for a May 2026 start date.
What You'll Do:
- You will build end-to-end full stack capabilities in our core platform across marketplaces like Amazon, Walmart, and Instacart.
- You will help us build deeper workflows into retail media platforms from across the globe.
- You will contribute to system design and architecture across our back-end microservices primarily deployed on GCP. From how we ingest and process terabytes of data every day to how data flows through our systems to power our platform.
- You will work closely with a team of 4-5 engineers, a product manager, and a designer to deliver a smooth experience to our customers.
- Contribute to product vision and development
- Work collaboratively with other team members
- Work directly with customers to collect feedback and iterate
Who You Are:
- Familiarity with algorithms, data structures, and complexity analysis
- Experience running production systems including deploying, monitoring, and debugging
- You are quick on your feet and face challenges with an open and curious mind
- You have the ability to adapt to a fast-paced, start-up environment and can act quickly on requests
- Strong written and oral communication skills
- You will return to university after the conclusion of the co-op term
- Available to work full-time for 8,12, or 16 consecutive months
#LI-DNI
Working as a Flywheel Student
- We have office hubs across the globe where team members can go to feel productive, inspired, and connected to others - team members go into Hub Offices 3x a week
- Impactful work that will help lay the foundation for future project
- Opportunity to come back full-time when you graduate
- Learn more about us here: Life at Flywheel
The Interview Process:
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