Remote-First Backend Engineer — Checkout Platform

Affirm; Chicago (IL); Remote; USD 165,000 - 225,000; Full time

Job summary

Affim is hiring a Backend Software Engineer to design and build the next generation of the Checkout Platform, delivering a world-class buying experience.

You will own API and microservice components, collaborating across teams to enable scalable checkout flows, while improving performance, reliability and security for users. We value ownership, clear communication, and high-quality software delivered at scale.

Qualifications

• Take Ownership. You enjoy working with product and engineering leaders to develop detailed project definitions, and drive technical decisions within your team.
• Execute. You have a proven track record of developing, testing, and shipping high‑quality software at scale.
• Collaborate. You communicate clearly both verbally and in writing. If anything, you trend towards over‑communication.
• Build Teams. You grow with engineers around you through sharing your learnings and providing feedback to your peers that will help the team grow.
• Customer‑centric mentality. You are empathetic to the user experience and thoughtful about what we can do to make it better.
• This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Responsibilities

• Design and implement thoughtful forward‑looking approaches that solve large open‑ended problems beyond the direct team.
• Own components of checkout systems and improve the health of surrounding systems.
• Collaborate with engineers within our team and across the organization to build the next generation of the checkout platform.
• Learn and improve engineering standards, tooling, and processes across the checkout platform.

Skills

Ownership

Execution

Collaboration

Team building

Customer-centric mindset

Communication

Education

Bachelor's degree or equivalent in related field

Tools

Python

Kotlin

RPC

Redis

MySQL

AWS

GitHub

Job description

Affim is hiring a Backend Software Engineer to design and build the next generation of the Checkout Platform, delivering a world-class buying experience.

You will own API and microservice components, collaborating across teams to enable scalable checkout flows, while improving performance, reliability and security for users. We value ownership, clear communication, and high-quality software delivered at scale.