Senior Fullstack Engineer – Remote, Global Impact

Affirm; Greater London; Remote; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Remote-first compensation structure

Spending Wallets

Mental Healthcare

Parental Leave

Away Days

Learning & Development

Health Benefits

Community Groups

Job summary

Affirm is seeking a Senior Software Engineer to join our international accelerator engineering team. Based in Europe with a remote-first approach, you’ll help shape Direct-to-Consumer products for the UK, Canada, and future markets, building scalable backend and frontend systems with Python/Kotlin, AWS, and React/Vue.

You’ll own quarterly goals, collaborate across product, design and analytics, and drive high-quality code in a fast-paced, remote environment designed to boost productivity with AI.

Qualifications

• Total of 4+ years as a software engineer.
• Experience designing backend systems at scale using Python, AWS, Kubernetes.
• Experience shipping web apps with React or Vue.
• Strong communication for global team.

Responsibilities

• Own quarterly team goals and lead engineers through ambiguity.
• Collaborate with product, design & analytics throughout the lifecycle.
• Identify and solve project, process, tech, or business issues.
• Maintain system reliability and monitor team metrics.
• Raise code quality by improving review standards and sharing practices.

Skills

Frontend experience

Backend design

AI-assisted development

Team collaboration

Tools

Python

Kotlin

AWS

MySQL

Kubernetes

React

Vue

Job description

Affirm is seeking a Senior Software Engineer to join our international accelerator engineering team. Based in Europe with a remote-first approach, you’ll help shape Direct-to-Consumer products for the UK, Canada, and future markets, building scalable backend and frontend systems with Python/Kotlin, AWS, and React/Vue.

You’ll own quarterly goals, collaborate across product, design and analytics, and drive high-quality code in a fast-paced, remote environment designed to boost productivity with AI.