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Senior Full Stack Engineer

Flywheel Digital Inc. -
Toronto, ON

Apply Now

Job details

$140,000–$160,000 a year
6 days ago

Qualifications

CI/CD
Data modeling
Law
React
Relational databases
DevOps
Test automation
Google Cloud Platform
Master's degree
Microservices
SQL
OOP
Machine learning
PostgreSQL
IDS
Distributed systems
REST
Django
Software development
GitHub
APIs
Agile
AI
TypeScript
Communication skills
Data warehouse
Python
MySQL
Analytics
Design patterns

Full job description

About Flywheel

Flywheel's suite of digital commerce solutions accelerate growth across all major digital marketplaces for the world's leading brands. We give clients access to near real-time performance measurement and improve sales, share, and profit. With teams across the Americas, Europe and APAC, we offer a career with real impact, endless growth opportunities and the support you need to be the best you can be.

Opportunity

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. 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.

As a Senior Software Engineer - Full Stack with Perpetua, you will contribute to our core platform built primarily with Python, Django, React, TypeScript, BigQuery, and GCP. You will help build scalable systems and intuitive user experiences that power advertising optimization and analytics for thousands of eCommerce brands across Amazon, Walmart, Instacart, and emerging retail media platforms.

We are looking for engineers who embrace modern AI-assisted software development practices and can leverage tools such as Claude Code, and other AI coding assistants to accelerate development while maintaining high engineering standards.

What you'll do:

Build and maintain backend services and APIs using Python and Django, as well as customer-facing applications using React and TypeScript.
Design and implement scalable data pipelines that process terabytes of advertising and commerce data.
Develop features across the full stack, from data ingestion and processing to intuitive user interfaces and customer-facing functionality.
Design, build, and optimize data models and analytics workflows using BigQuery and cloud-native technologies.
Contribute to architecture decisions for distributed systems and modern web applications running on Google Cloud Platform (GCP).
Collaborate closely with Product, Design, Data Science, and Engineering teams to deliver customer value.
Use AI-assisted development tools such as Claude Code, Cursor, and GitHub Copilot to improve productivity, code quality, and engineering velocity.
Participate in technical design discussions, RFCs, code reviews, and mentoring of other engineers.
Continuously improve system reliability, scalability, observability, security, and frontend performance.
Help establish engineering best practices around AI-assisted software development.

Who you are:

5+ years of professional software engineering experience building and operating production systems.
Strong experience with Python and modern backend frameworks, preferably Django.
Strong experience building modern web applications with React and TypeScript.
Experience building scalable cloud applications on GCP.
Strong understanding of distributed systems, microservices architecture, and event-driven systems.
Experience working with large-scale data platforms and analytics systems, including BigQuery or similar data warehouses.
Proficiency with relational databases (PostgreSQL, MySQL, Cloud SQL) and data modeling.
Experience designing and consuming RESTful APIs and asynchronous processing systems.
Practical experience using AI-powered software development tools such as Claude Code, Cursor, GitHub Copilot, Windsurf, or equivalent.
Ability to effectively leverage LLMs for software design, coding, testing, debugging, documentation, and developer productivity.
Strong understanding of software engineering fundamentals, including algorithms, data structures, OOP, testing, design patterns, and frontend application architecture.
Experience with CI/CD pipelines, automated testing, and modern DevOps practices.
Excellent written and verbal communication skills.
Comfortable working in a highly collaborative, distributed, and agile environment.

Nice to have:

Deep experience with React, TypeScript, modern frontend tooling, and UI performance optimization.
Experience with data engineering, ETL pipelines, and large-scale analytics workloads.
Experience with machine learning systems, LLM integrations, or AI-powered products.
Experience mentoring engineers and leading technical initiatives.
Contributions to open-source projects or strong technical community involvement.

Flywheel Commerce Network is committed to fair and equitable compensation practices. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location.

Salary Range

$140,000 - $160,000 CAD

Working at Flywheel

We are proud to offer all Flywheelers a competitive rewards package and unparalleled career growth opportunities and a supportive, fun and engaging culture.

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
Competitive paid time off, including annual leave plus paid public holidays
Great learning and development opportunities
Benefits that help you live your best life
Parental leave and benefits
Volunteering opportunities
If you’re looking to connect with teammates on a topic of inclusion and identity, chances are there’s an ERG for that.
So you know: The hired candidate will be required to complete a background check

The Interview Process:

Every role starts the same, an introductory call with someone from our Talent Acquisition team. We will be looking for company and values-fit as well as your professional experience; there may be some technical role-specific questions during this call.

Every role is different after the initial call, but you can expect to meet several people from the team 1:1 and there might be further skill assessments in the form of a Take Home Assignment/Case Study Presentation or Pair Programming/Live Coding exercise depending on the role. In your initial call, we will walk you through exactly what to expect the process to be.

Inclusive Workforce

Flywheel Commerce Network’s goal is to create a culture where all individuals of all backgrounds feel comfortable in bringing their authentic selves to work. We want all people to feel included and empowered to contribute fully to our vision and goals. Flywheel Commerce Network is an Equal Opportunity Employer and participates in E-Verify. All applicants will receive fair consideration for employment. We do not discriminate based upon race, color, religion, sex, sexual orientation, age, marital status, gender identity, national origin, disability, or any other applicable legally protected characteristics in the location in which the candidate is applying.

If you have any accessibility requirements that would make you more comfortable during the application and interview process, please let us know at [email protected] so that we can support you.

For more information about what data we collect and how we use it, please refer to our Privacy Policy.

We leverage AI technology to streamline our hiring workflow, though all candidate decisions are made by our Talent Acquisition Team. This position is for an existing vacancy.

IMPORTANT ALERT: Please beware of fraudulent job communications from individuals falsely claiming to be from Flywheel. We've identified fraudulent activity through social media and messaging services purporting to be from Flywheel requesting payments for job- and recruitment-related expenses. Flywheel never asks candidates for personal information such as bank account data or tax IDs nor payments via social media or chat-based applications. Report suspected fraud to local authorities immediately. .

Please note, we do not accept unsolicited resumes from 3rd party Recruitment Firms.

#LI-HYBRID

Apply Now

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