Senior Software Engineer — Remote, Equity & Scalable APIs

Affirm; Boulder (CO); Remote; USD 173,000 - 233,000; Full time

Benefits offered by this job

Medical coverage

Tech stipends

Flexible time off

ESPP stock purchase

Job summary

Affirm is a remote-first company focused on transparent pay with no hidden fees and no tradeoffs on what matters most. We hire engineers who ship with React/Vue on the web, React Native for mobile, and design APIs using Kotlin or Python, delivering clear, well-tested code across large codebases.

The role emphasizes ownership, collaboration with product/design/analytics, and contributing to maintainable, scalable systems.

Qualifications

• 1.5+ years of software engineering experience.
• Experience shipping web apps with React or Vue.
• Experience shipping mobile apps with React Native.
• Experience designing, developing and launching APIs using Kotlin or Python.
• Ability to translate simple problems into multi-component solutions with well-tested, extensible code.
• Comfort navigating a large codebase, debugging others, and giving feedback via code reviews.
• Demonstrates ownership of personal growth and seeks feedback.
• Strong verbal and written communication for a global engineering team.
• Equivalent practical experience or a Bachelor's degree in a related field.

Responsibilities

• Break down large projects into tasks, deliver in phases, and collaborate for timely delivery.
• Collaborate with product, design, and analytics to discuss constraints and trade-offs.
• Create and monitor metrics, support on-call tasks and keep team systems running.
• Contribute to team growth by participating in the interview process and peer development.

Skills

React / Vue

React Native

API design

Clean code

Ownership

Communication

Education

Bachelor's degree or equivalent

Job description

Affirm is a remote-first company focused on transparent pay with no hidden fees and no tradeoffs on what matters most. We hire engineers who ship with React/Vue on the web, React Native for mobile, and design APIs using Kotlin or Python, delivering clear, well-tested code across large codebases.

The role emphasizes ownership, collaboration with product/design/analytics, and contributing to maintainable, scalable systems.