CareerPlanSign in

Senior Software Engineer, Fullstack (Card Acquisition)

🌐 Remote💼 Full-time💰 $153,000–$153,000🗓 2026-07-29 → 2026-09-26

Core

Senior Full Stack Engineer leading the Acquisition & Onboarding team to build trust and value in Affirm's first customer interactions via mobile, web, and backend systems.

Role type

Senior IC machine-learning engineer (audio)

Builds

Mobile apps (React Native/Swift/Kotlin), web apps (React/Vue), and scalable backend systems (Python, AWS, Kubernetes)

Domain

Fintech / Buy Now Pay Later

Deliverable

production ML models

Required skills

React Native, Swift, Kotlin, React, Vue, JavaScript, TypeScript, Python, AWS, MySQL, Kubernetes, CI/CD, experimentation, feature flagging, analytics instrumentation, architectural design, codebase navigation

Preferred skills

None stated

Technologies

React Native, Swift, Kotlin, React, Vue, JavaScript, TypeScript, Python, AWS, MySQL, Kubernetes

Responsibilities

Define long-term technical strategy and architectural decisions; mentor senior engineers and lead by example; own team operations, monitoring, and on-call efforts; collaborate with product/design/analytics on ideation and trade-offs; advocate for and solve process/technology/business issues; set code review and design standards; drive cross-functional launches and high-reliability production environments

Seniority

Senior, hands-on IC with leadership responsibilities

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.