Remote Fullstack Engineer: Build Global FinTech Apps

Affirm; Greater London; Remote; GBP 52,000 - 76,000; Full time

Benefits offered by this job

Remote-first compensation

Spending wallets

Health benefits

Mental healthcare

Parental leave

Away days

Learning & Development

Time off

Community groups

Job summary

Affirm is seeking a software engineer to help shape Direct-to-Consumer products for the UK and international markets. You will work across product management, design and analytics, shipping features in a fast-paced, autonomous team.

You will build APIs with Python/Kotlin and frontend UI with React or Vue, while maintaining high standards and robust testing. You will join a remote-first, international environment that values curiosity, ownership, and continuous learning.

Qualifications

• Strong verbal and written communication skills to collaborate with a global engineering team.
• Ownership mentality; proactively seeking feedback from team, manager, and stakeholders.
• Experience navigating a large code base, debugging others' code, and providing feedback via code reviews.
• 1.5+ years of experience as a software engineer; able to break down problems into multi-component solutions.
• Experience designing, developing and launching APIs at scale using Python or Kotlin.
• Experience shipping web apps using declarative UI frameworks like React or Vue.

Responsibilities

• Break down large projects into manageable tasks and deliver in multiple phases, collaborating with others for timely delivery.
• Support peers and stakeholders across the product development lifecycle including product, design and analytics.
• Create and monitor metrics to support operations and on-call duties.
• Contribute to team culture through growth activities and participation in interview processes.

Skills

Verbal communication

Written communication

Ownership mindset

Debugging large codebase

Code reviews

Tools

Python

Kotlin

React

Vue

Job description

Affirm is seeking a software engineer to help shape Direct-to-Consumer products for the UK and international markets. You will work across product management, design and analytics, shipping features in a fast-paced, autonomous team.

You will build APIs with Python/Kotlin and frontend UI with React or Vue, while maintaining high standards and robust testing. You will join a remote-first, international environment that values curiosity, ownership, and continuous learning.