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Job Title


Senior Software Engineer - Backend (Python)


Company : Flywheel Digital


Location : Toronto, Ontario


Created : 2025-06-17


Job Type : Full Time


Job Description

About FlywheelFlywheel'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.The OpportunityIn 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 worlds smartest eCommerce businesses. Through the platform, brands and sellers create goals based on strategy and rely on Perpetuas best-in-class, always-on optimization to execute tactically.As a Senior Software Engineer - Backend with Perpetua you will be contributing to web applications written in Django Python and ReactJS / Typescript to bring a great Perpetua experience to our users. Amazon Ads is a $40B business today and every retailer on the planet is replicating the Amazon playbook, weve already transformed the way businesses approach e-commerce and online advertising and were ready to continue growing.What You'll Do:You will build end-to-end features 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.You will support the wider engineering organization by identifying areas of improvement, proposing RFCs, seeking feedback early and often, iterating over your ideas, and co-creating something better than you could have done by yourself.Who You Are:5+ Years of software engineering experience in web-based technologies at a product company.You have strong experience with Python frameworks such as Django/Flask, relational databases such as Postgres, and the cloud either GCP or AWS.You are not afraid to go deep on the rest of the stack. You are comfortable with navigating a large codebase across dozens of repositories.Youve worked closely in teams of ~5 engineers before, solving hard problems collaboratively, and working tightly with your immediate peers as well as across teams.Strong experience in algorithms, data structures, and complexity analysis.You are comfortable navigating vague problems and creating clarity from uncertainty and communicating it clearly to your peers.We believe in taking ownership from start to end. You pride yourself on your ability to take complex problems and iterate on them until you find a simple solution.#LI-AD1Working at FlywheelWe 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 weekFlexible vacation timeGreat learning and development opportunitiesBenefits that help you live your best lifeParental leave and benefitsVolunteering opportunitiesIf youre looking to connect with teammates on a topic of inclusion and identity, chances are theres an ERG for that.So you know: The hired candidate will be required to complete a background checkEvery 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 WorkforceFlywheel Commerce Networks 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 so that we can support you.For more information about what data we collect and how we use it, please refer to ourPrivacy Policy .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. To learn more, clickhere .Please note,we do not accept unsolicited resumes from 3rd party Recruitment Firms.#LI-HYBRIDCreate a Job AlertInterested in building your career at Flywheel Digital? Get future opportunities sent straight to your email.Apply for this job*indicates a required fieldFirst Name *Last Name *Email *Phone *Resume/CV *Enter manuallyAccepted file types: pdf, doc, docx, txt, rtfEnter manuallyAccepted file types: pdf, doc, docx, txt, rtfThis is a hybrid role. Are you able to work at the listed office location 3 times per week? * Select...Will you require a visa/sponsorship now OR in the future? Select...LinkedIn ProfileAre you legally eligible to work in the country you are applying for? * Select... #J-18808-Ljbffr