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About the Role

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.

Responsibilities

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.

Requirements

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.
The hired candidate will be required to complete a background check.

Skills

Python
Django
React
TypeScript
BigQuery
GCP
AI-assisted software development
Claude Code
Cursor
GitHub Copilot
Distributed systems
Microservices architecture
Event-driven systems
Relational databases
PostgreSQL
MySQL
Cloud SQL
Data modeling
RESTful APIs
Asynchronous processing systems
LLMs
Algorithms
Data structures
OOP
Testing
Design patterns
Frontend application architecture
CI/CD pipelines
Automated testing
DevOps practices

Location

Remote

Work Type

Hybrid
Full-time

Experience Level

Senior

Salary/Compensations

$120,000 - $160,000 CAD

Benefits

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
Employee Resource Groups (ERGs)

About the Company

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, APAC, and China, we offer a career with real impact, endless growth opportunities and the support you need to be the best you can be.
Omnicom is committed to hiring and developing exceptional talent.
We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do.
We strongly believe that celebrating what makes us different makes us better together.
Join us—we look forward to getting to know you.

Equal Opportunity

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.