Senior Software Engineer - Remote-First, APIs & Web/Mobile

Affirm; Boston (MA); Remote; USD 173,000 - 233,000; Full time

Benefits offered by this job

Health coverage

Tech stipends

Flexible time off

ESPP

Job summary

Aff is a remote-first company focused on building scalable web and mobile experiences with clear API integrations. As a software engineer, you will work with a diverse team to deliver in phased milestones, collaborating with product, design and analytics while maintaining high code quality and test coverage.

You will contribute to owning growth, navigating a large codebase, and participating in interview processes to help shape a strong engineering culture.

Qualifications

• 1.5+ years of experience as a software engineer.
• Experience shipping web apps using React or Vue.
• Experience shipping mobile apps using React Native.
• Experience designing, developing and launching APIs at scale using Kotlin or Python.
• Ability to translate simple problems into multi-component solutions with well-tested code.
• Comfortable navigating large code bases and doing code reviews.
• Growth mindset with proactive feedback seeking.
• Strong verbal and written communication for global teams.
• Bachelor’s degree or equivalent practical experience.

Responsibilities

• Break down large projects into tasks and deliver in phases.
• Collaborate with product, design and analytics across the lifecycle.
• Support operations and on-call efforts; monitor metrics and escalate when needed.
• Contribute to team growth through interview participation and knowledge sharing.

Skills

1.5+ years experience

Strong communication

Code reviews

Growth mindset

Ownership of growth

Collaborative teamwork

Education

Bachelor's degree or equivalent

Tools

React

Vue

React Native

Kotlin

Python

Job description

Aff is a remote-first company focused on building scalable web and mobile experiences with clear API integrations. As a software engineer, you will work with a diverse team to deliver in phased milestones, collaborating with product, design and analytics while maintaining high code quality and test coverage.

You will contribute to owning growth, navigating a large codebase, and participating in interview processes to help shape a strong engineering culture.