Senior Software Engineer, Fullstack (Consumer Payments)
100k - 150k USD
Remote
Full Time
#TypeScript
#Backend Development
#Frontend Development
#Kotlin
#Payment Processing
We are Affirm, and we are dedicated to transforming the credit industry by offering consumers a more honest and transparent way to shop. By providing flexible payment options without hidden fees or compounding interest, we are changing how people manage their finances. We are currently looking for a Senior Fullstack Software Engineer to join our Consumer Payments team on a full-time, remote basis within the United Kingdom. In this role, you will contribute to our robust payment processing network, which handles billions of dollars in transactions annually and serves as a critical pillar of our business platform.
Responsibilities
- Collaborate closely with product managers and cross-functional stakeholders to enhance and scale our payment infrastructure.
- Build a comprehensive understanding of the payments industry and the specific networks that power our services.
- Engage with team members and partners across the United States and Europe to support feature development and international growth.
Requirements
- At least 4 years of professional experience as a software engineer.
- A strong desire to improve consumer financial services through innovative technology.
- Proficiency in both backend and frontend development.
- Excellent communication skills and the ability to collaborate effectively across different teams.
- Experience or interest in working with Kotlin and TypeScript is highly valued, as is familiarity with payment processing principles and Open Banking standards.
What we offer
The annual base pay range for this position is £97,000 to £145,500, with a mid-point of £121,300. We prioritize our people through a comprehensive benefits package that includes:
- Full health care coverage, with all premiums paid by us for you and your dependents.
- Flexible spending wallets that provide stipends for technology, food, lifestyle needs, and family-forming expenses.
- Competitive vacation and holiday policies to ensure you have time to rest and recharge.
- An employee stock purchase plan that allows you to acquire shares of Affirm at a discount.
- The flexibility of a remote-first work environment.




