Senior Backend Engineer, Checkout Platform (Remote)

Affirm; Canada; Remote; CAD 133,000 - 183,000; Full time

Benefits offered by this job

Health coverage

Monthly tech stipends

Generous time off

Employee stock purchase plan (ESPP)

Job summary

Affir in Canada is seeking a Backend Software Engineer to design and build the next generation of the Checkout Platform, delivering a world-class buying experience with a clear, transparent pay structure. You will own APIs and microservices for transactions, collaborate across teams, and focus on performance and reliability to improve the user journey from selection to purchase at scale.

This role is remote-from-Canada and offers a compensation package aligned with market standards for Canada,

Qualifications

• Strong ownership and accountability for checkout components.
• Proven ability to design and ship high-quality software at scale.
• Excellent communication and collaboration across teams.
• Customer-centric mindset focused on improving user experience.
• Experience with backend systems and API/microservice design.

Responsibilities

• Design and implement checkout-related APIs and microservices.
• Own components of the checkout platform and ensure long-term health.
• Collaborate with teams across the organization to build the next generation checkout.
• Improve engineering standards, tooling, and processes.

Skills

Ownership

Execution

Collaboration

Build Teams

Customer-centric mindset

Tools

Python

Kotlin

RPC

Redis

MySQL

AWS

Github

Job description

Affir in Canada is seeking a Backend Software Engineer to design and build the next generation of the Checkout Platform, delivering a world-class buying experience with a clear, transparent pay structure. You will own APIs and microservices for transactions, collaborate across teams, and focus on performance and reliability to improve the user journey from selection to purchase at scale.

This role is remote-from-Canada and offers a compensation package aligned with market standards for Canada,