Software Engineer I, Backend (Servicing Platforms) at Affirm

✨ The Stack take on this Affirm job

• 🏢 Affirm has 38 jobs here, 25 with visa sponsorship see all
• 🛂 Visa: Highly Qualified Professional permit. Education: Higher education degree guide
• 💡 No salary shown. Ask Affirm if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Implement and maintain backend services that power bankruptcy and hardship servicing workflows.
- Build event-driven pipelines and high-availability systems with a focus on correctness and auditability.
- Contribute to design, code, tests and reviews; ensure services are well-tested and maintainable.
- Collaborate with product, compliance and other platform teams to define requirements and trade-offs.
- Participate in on-call rotation, incident response and operational improvements.
- Communicate progress, risks and technical decisions to stakeholders.

Requirements:
- Practical experience (work or internship) building backend systems using Python or Kotlin.
- Familiarity with distributed system concepts and technologies (AWS, MySQL, Kubernetes preferred).
- Ability to design simple-to-composed solutions, write clear, tested, extensible code and debug large codebases.
- Comfortable doing code reviews and giving/receiving constructive feedback.
- Strong written and verbal communication for effective collaboration across distributed teams.
- Willingness to join on-call rotation and operate in a production environment.

Responsibilities

Develop and maintain core servicing platforms and backend services to support bankruptcy and hardship workflows. Collaborate with product and compliance teams to build reliable, high-availability distributed systems in a greenfield environment.

Requirements

Requires previous work or internship experience in backend systems at scale using Python or Kotlin. Proficiency with AWS, MySQL, Kubernetes, and the ability to write extensible, well-tested code is expected.

Key skills

• Python — in 1200 other listings on The Stack
• Kotlin — in 251 other listings on The Stack
• AWS — in 802 other listings on The Stack
• MySQL — in 93 other listings on The Stack
• Kubernetes — in 585 other listings on The Stack
• Distributed Systems — in 342 other listings on The Stack
• Backend Development — in 171 other listings on The Stack
• Event-Driven Pipelines — not in any other listing on The Stack
• API Design
• Code Review
• Debugging
• Software Testing

On The Stack (as of 2026-11-05)

• Affirm has 37 other listings on The Stack, 24 of them marked as offering visa sponsorship.
• 76 visa-sponsored jobs in Spain on The Stack, posted in the last 60 days.
• 195 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Affirm

Is this Software Engineer I, Backend (Servicing Platforms) role still open?

It was posted on 2026-05-08. Listings more than 30 days old may no longer be active, so check Affirm's site before applying.

Does Affirm offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Affirm's site.

Where is this role located?

The listing gives the location as Remote Spain. It is marked remote.

What skills does this role ask for?

The listing names: Python, Kotlin, AWS, MySQL, Kubernetes, Distributed Systems, Backend Development, Event-Driven Pipelines, API Design, Code Review, Debugging, Software Testing.