Senior Full-Stack Tech Lead - Mobile/Web/Backend

Affirm; Washington (District of Columbia); On-site; USD 173,000 - 233,000; Full time

Benefits offered by this job

Health insurance

Equity (ESPP)

Remote-first culture

Paid time off

Job summary

Affirm is seeking a Senior Full Stack Software Engineer to join the Acquisition & Onboarding team within the Consumer org. This high‑impact leadership role sets technical direction, drives architectural decisions, and elevates full stack delivery across mobile, web, and backend systems.

You will shape the first customer experience with Affirm—building trust, clarity, and value from the very first interaction.

Qualifications

• 4+ years of experience as a software engineer.

Responsibilities

• Own quarterly goals and lead engineers through ambiguity.
• Collaborate with product, design, and analytics throughout the lifecycle.
• Ensure monitoring, on-call readiness, and incident response.
• Improve code review and design standards.
• Mentor and develop team members.
• Drive architectural decisions to improve velocity.

Skills

React Native

JavaScript/TypeScript

Kotlin

Swift

Python

AWS

Kubernetes

MySQL

CI/CD

Architectural leadership

Education

Bachelor's degree or equivalent practical experience

Tools

CI/CD tooling

Job description

Affirm is seeking a Senior Full Stack Software Engineer to join the Acquisition & Onboarding team within the Consumer org. This high‑impact leadership role sets technical direction, drives architectural decisions, and elevates full stack delivery across mobile, web, and backend systems.

You will shape the first customer experience with Affirm—building trust, clarity, and value from the very first interaction.