Senior Software Engineer, Backend (Marketing & Privacy Engineering)

Location: Remote within Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan

Base pay: CAD 153,000–213,000 per year

Company

Affirm provides transparent, predictable payment solutions that allow consumers to pay over time without hidden fees.

What you will do

• Build data and measurement foundations connecting consumer acquisition activity with signup, conversion, and GMV outcomes.
• Develop reliable pipelines, identity and event data systems, attribution, and conversion measurement capabilities.
• Build integrations across marketing technology, data, consent, tagging, and consumer-data ecosystems.
• Own quarterly goals, lead engineers through ambiguous problems, and collaborate with Product, Marketing, Analytics, Data Engineering, Design, and Engineering.
• Support production operations by monitoring metrics, improving availability, participating in on-call efforts, and resolving technical and business issues.
• Improve code review and design standards while mentoring engineers and promoting quality and ownership.

Requirements

• 4+ years of experience designing, developing, and launching backend systems at scale using Python or Kotlin.
• Experience building highly available distributed systems with AWS, MySQL, and Kubernetes.
• Hands-on experience with marketing data and measurement systems, including Google Tag Manager, GA4, advertising and conversion APIs, CDPs, attribution or mobile measurement platforms, and consent management platforms.
• Experience building production data pipelines and analytical models with Snowflake, dbt, and Airflow, including event-level data, identity resolution, attribution, or conversion measurement.
• Ability to define technical plans, design extensible systems, make significant changes safely in large codebases, and write high-quality code.
• Strong communication, ownership, collaboration, and mentoring skills.

Culture & Benefits

• Remote-first work with flexibility within the country of employment; occasional in-person work or onboarding may be required.
• 100% subsidized medical coverage, including coverage for employees and dependents, plus dental and vision benefits.
• Monthly stipends for technology, health, and wellness expenses.
• Flexible time off and generous holiday calendars.
• Employee stock purchase plan with the opportunity to buy Affirm stock at a discount.