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Senior Software Engineer, Backend (Card Ledger & Money Movement)

affirm

Backend Full-time Permanent US

Job details

$195,000 - $255,000 Salary
US Eligibility
Senior Experience
Full-time Employment

About this role

Role overview

A senior backend engineering role focused on the financial plumbing behind a hybrid card product that combines everyday spending with point-of-sale financing. The team owns money movement, bank integrations, and merchant data systems that power a high-growth consumer lending platform. The position blends hands-on technical work with leadership, partnering closely with product, design, data science, and other engineering groups to deliver reliable, extensible infrastructure.

Responsibilities

- Own and deliver quarterly engineering goals, guiding teammates through ambiguous, open-ended problems - Partner with product management, design, and analytics throughout the development lifecycle to weigh trade-offs and manage risk - Proactively identify project, process, or technical issues, advocate for fixes, and lead their resolution - Maintain system reliability through metrics, monitoring, escalation, and on-call participation - Raise code quality by setting and evangelizing design standards, review practices, and technical writing across the team - Mentor engineers through feedback, coaching, and technical leadership by example

Requirements

- 4+ years designing, developing, and launching production backend systems at scale using Python or Kotlin - Hands-on experience building highly available distributed systems on AWS, MySQL, and Kubernetes - Track record of designing extensible, elegant solutions for significant features or system components - Comfort making sweeping changes safely across large codebases using disciplined tooling and practices - Strong written and verbal communication skills for collaborating with a distributed engineering organization - Bachelor's degree in a related field or equivalent practical experience

Nice to have

- Background in payments, money movement, banking integrations, or other regulated financial systems - Experience supporting consumer-facing financial products at significant transaction scale

Benefits and work setup

- Remote-first within the United States, with occasional in-office expectations for proximal roles - Full medical, dental, and vision premiums covered for employees and dependents - Equity grants plus an employee stock purchase program - Flexible spending stipends for technology, food, lifestyle, and family-forming expenses - Competitive paid time off and holiday schedule

Skills detected in the listing

PythonKotlinStakeholder ManagementAWSKubernetes
Detected Sep 2, 2026
Last verified Sep 2, 2026
Original source: job-boards.greenhouse.io · application link requires Hidden Jobs Access

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