Senior Software Engineer | Remote-First, Scale & Lead

Affirm; Chicago (IL); Remote; USD 173,000 - 255,000; Full time

Benefits offered by this job

100% subsidized medical coverage

Monthly health/tech stipends

Flexible time off

Employee stock purchase plan (ESPP)

Job summary

Affirm is a remote-first company with flexible in-person requirements for some roles. We are looking for a senior software engineer to drive technical strategy, design scalable systems, and mentor a growing team.

The role emphasizes building robust APIs, cloud-native architectures, and collaboration across Product, Analytics, Design, Legal, and Accounting. Compensation includes base pay with equity and comprehensive benefits.

Qualifications

• Bachelor’s degree or equivalent in a related field.
• 5+ years of software development or engineering experience.
• Strong system design and architecture knowledge.
• Excellent communication and leadership skills.
• Proficiency in Python or Kotlin.
• Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
• Knowledge of SQL/NoSQL databases, web frameworks, and RESTful API development.

Responsibilities

• Drive technical strategy by leading the planning, prioritization, and execution of projects, ensuring alignment with product, technical, and business goals.
• Lead the end-to-end system design and development of large-scale, high-availability services. This includes building robust APIs and data models for our micro-service and event-driven architectures.
• Collaborate across functions with partners in Product, Analytics, Design, Legal, and Accounting and to define requirements and execute our card loan attribution and lifecycle strategy.
• Ensure system health and performance by analyzing and troubleshooting complex technical issues, optimizing existing code, and driving solutions that focus on long-term robustness and scalability.
• Mentor and grow the team by guiding junior engineers, leading technical discussions and design reviews, and championing best practices through code review.

Skills

5+ years experience

System design & architecture

Leadership

Communication

Analytical thinking

Python

Kotlin

Cloud platforms (AWS, Azure, GCP)

Docker

Kubernetes

SQL/NoSQL databases

RESTful API development

Education

Bachelor’s degree or equivalent

Tools

Docker

Kubernetes

RESTful API design

SQL/NoSQL databases

Job description

Affirm is a remote-first company with flexible in-person requirements for some roles. We are looking for a senior software engineer to drive technical strategy, design scalable systems, and mentor a growing team.

The role emphasizes building robust APIs, cloud-native architectures, and collaboration across Product, Analytics, Design, Legal, and Accounting. Compensation includes base pay with equity and comprehensive benefits.