← All roles

Senior Software Engineer, Backend (Identity Data)

Affirm· Checkout
Apply on company site
RemoteCA$153k - CA$213kfull-timePosted 5d ago

About the role

Senior Backend Engineer focusing on identity data, responsible for high-availability, low-latency systems that onboard consumers and manage authentication/verification journeys across Affirm’s product surfaces.

Responsibilities

  • Owning and delivering quarterly goals for the team and guiding engineers through ambiguity to solve open-ended problems.
  • Collaborating with product management, design, and analytics to support the product lifecycle, ideation, and decision-making with technical constraints and risk considerations.
  • Proactively identifying and leading efforts to resolve project, process, technology, or business issues.
  • Supporting operations and availability of team artifacts through metrics, escalation, and on-call efforts.
  • Fostering a culture of quality and ownership by setting/improving code review and design standards, and evangelizing them beyond the team via writing and tech talks.
  • Helping develop talent on the team through feedback, guidance, and leading by example.

Qualifications

  • 4+ years of experience designing, developing, and launching backend systems at scale using Python or Kotlin.
  • Track record of developing highly available distributed systems using AWS, MySQL, and Kubernetes.
  • Experience defining a technical plan for delivering a significant feature or system component with an elegant, simple, extensible design.
  • Ability to make significant changes in a large codebase and develop tools/practices to enable safe changes.
  • Demonstrated ownership of personal growth with proactive feedback from team, manager, and stakeholders.
  • Strong verbal and written communication skills for effective collaboration with a global engineering team.

Skills

Required:Backend design and developmentDistributed systemsCloud infrastructure (AWS)Databases (MySQL)Containerization / KubernetesCode quality & reviewsCommunication

Benefits

  • Health coverage at no cost for employees and dependents.
  • Monthly stipends for tech setup and health/wellness options.
  • Flexible time off and generous holiday calendar.
  • Employee stock purchase plan (ESPP) at a discount.
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Affirm

Pay over time with flexible payment plans and no fees

Buy now pay later without the fees. Flexible payment options with longer plans, lower payments, and no fees. Pay in 4 interest-free or get more time and see your total cost upfront.

Buy now pay laterFinancial servicesPayment plansCredit

More open roles at Affirm