As a Senior Software Engineer, you will build the data and measurement foundations that connect consumer acquisition activity across paid media, SEO/AEO, and other growth channels to downstream outcomes such as signup, conversion, and GMV
You will work at the intersection of data engineering and marketing technology, building reliable pipelines, identity and event data systems, attribution and conversion measurement, and integrations across our marketing and data ecosystems
You will partner closely with Engineering, Product, Marketing, Analytics, and Data Engineering so that consent, tagging, identity, and consumer-data requirements are incorporated into measurement architecture from the start
This role is a strong fit for an engineer who enjoys ambiguous cross-functional problems, cares deeply about data quality and operational reliability, and wants to build durable measurement capabilities that help teams understand the effectiveness of consumer growth investments
You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery
You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs
You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them




You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts
You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks
You will help develop talent on your team by providing feedback and guidance, and leading by example
Benefits Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
Supportive Communities: Get involved with our employee resource groups and community groups
Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
Generous Time Off: Take the time you need when life happens
Health Advantages: Get a plan that fits your needs
Mental Healthcare: Take care of your mind with great mental health programs
Parental Leave: Birth and non-birth parents get 18 weeks’ paid leave. Plus, a 4-week return-to-work transition program, at full base pay
Away Days:



We offer 20 company-wide paid days off—which help our teams collectively pause to recharge
Learning & Development: Engage in exciting learning programs to level up your growth
You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design.
You write high quality code that is easily understood and used by othersYou have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
You have experience building production data pipelines and analytical models using technologies such as Snowflake, dbt, and Airflow, including event-level data, identity resolution, attribution, or conversion measurement
You have strong verbal and written communication skills that support effective collaboration with our global engineering team
You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely
Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
You have hands‑on experience building marketing data and measurement systems using technologies such as Google Tag Manager (GTM/sGTM), GA4, advertising and conversion APIs, customer data platforms (CDPs), attribution or mobile measurement platforms, and consent management platforms
You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes

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📌 Senior Backend Software Engineer (Marketing & Privacy Engineering) (Quebec City)
🏢 Affirm
📍 Quebec City