Senior Software Engineer, Backend – Card Loan Platform

Affirm

. Drive technical strategy by leading project planning, prioritization, and execution .

Posted 10/2/2026full-timeRemote • United StatesSenior💰 $173,000 - $255,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in system design and architecture, with a strong focus on building scalable APIs and data models for microservices. Proven leadership in mentoring teams, driving technical strategy, and fostering collaboration across departments.

Highest-signal resume keywords

System Design And ArchitecturePython ProgrammingAWS Cloud ExperienceDocker And KubernetesRESTful API Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentMicroservice ArchitectureData ModelingSQL Database SystemsNoSQL Database Systems

Soft Skills

Excellent CommunicationAnalytical Problem-SolvingTeam LeadershipMentoring

Tools & Technologies

AWSAzureGoogle CloudDockerKubernetes

Certifications & Qualifications

Bachelor’s Degree In Related Field

Industry Keywords

High-Availability ServicesCard Loan AttributionLifecycle StrategyTechnical Strategy

Tech Stack

Tools & technologies

AWSAzureCloudDockerKotlinKubernetesNoSQLPythonSQL

About the role

Key responsibilities & impact

Drive technical strategy by leading project planning, prioritization, and execution
Lead end-to-end system design and development of large-scale, high-availability services
Build robust APIs and data models for microservice and event-driven architectures
Collaborate with Product, Analytics, Design, Legal, and Accounting on card loan attribution and lifecycle strategy
Analyze and troubleshoot complex technical issues
Optimize existing code and drive robust, scalable solutions
Mentor junior engineers, lead technical discussions and design reviews, and champion best practices through code review

Requirements

What you’ll need

5+ years of experience in software development or engineering
Deep understanding of system design and architecture
Motivated leader who inspires team growth and fosters continuous learning
Excellent communication skills
Strong analytical and problem-solving skills
Proficiency in Python, Kotlin, or similar modern programming languages
Experience with AWS, Azure, or Google Cloud
Experience with Docker and Kubernetes
Knowledge of SQL and NoSQL database systems
Knowledge of web frameworks and RESTful API development
Equivalent practical experience or a Bachelor’s degree in a related field

Benefits

Comp & perks

Equity rewards may be included in total compensation
Monthly stipends for health, wellness and tech spending
100% subsidized medical coverage for employees and dependents
Dental and vision coverage for employees and dependents
Remote-first work with flexibility built in
Flexible time off
Generous holiday calendars
Employee stock purchase plan (ESPP) to buy Affirm stock at a discount
Inclusive interview process and accommodations for candidates with disabilities
In-person onboarding experience for all new hires