Senior Fullstack Engineer - Remote App Experience

Affirm; United States; Remote; USD 173,000 - 255,000; Full time

Benefits offered by this job

Health coverage

Tech stipends

Flexible time off

ESPP

Job summary

Affirm is a remote-first company delivering transparent, predictable payment experiences across mobile and web surfaces. This Senior Software Engineer, Fullstack, joins the App Experience domain to drive frontend stories, API design, and cross-team collaboration with engineers, product, and design.

You will work across web and mobile, break down projects, and contribute to scalable solutions, while growing with a talented globally distributed team in a remote environment.

Qualifications

• 1.5+ years of software engineer experience.
• Experience shipping web apps with declarative UI frameworks like React or Vue.
• Experience shipping mobile apps with React Native or similar.
• Experience designing, developing and launching APIs at scale using Kotlin or Python.
• Ability to translate complex problems into clear, well-tested, extensible code.
• Comfort navigating large codebases and giving constructive code reviews.
• Proactive learner, seeking feedback from team and stakeholders.
• Strong written and verbal communication for global collaboration.
• Bachelor’s degree or equivalent practical experience in a related field.

Responsibilities

• Break down large projects into tasks and deliver in phases with timely results.
• Collaborate with product management, design and analytics to discuss constraints and trade-offs.
• Support operations and reliability by creating metrics, monitoring, and on-call involvement.
• Contribute to team culture and participate in interview and growth activities.

Skills

React

Vue

React Native

APIs design

Code reviews

Ownership & growth

Communication

Education

Bachelor's degree in related field

Tools

Kotlin

Python

Job description

Affirm is a remote-first company delivering transparent, predictable payment experiences across mobile and web surfaces. This Senior Software Engineer, Fullstack, joins the App Experience domain to drive frontend stories, API design, and cross-team collaboration with engineers, product, and design.

You will work across web and mobile, break down projects, and contribute to scalable solutions, while growing with a talented globally distributed team in a remote environment.