Software Engineer I, Frontend (Upfunnel)

🏢 About Affirm

Affirm is a financial technology company that provides point-of-sale installment loans to consumers. Their mission is to deliver honest financial products that improve lives. The engineering team builds reliable, performant, and scalable systems to power this mission.

🎯 The Role

As a Software Engineer I, Frontend on the Upfunnel team, you will build pre-checkout experiences that help shoppers understand Affirm on merchant sites. You'll contribute to Affirm.js, promotional messaging, experimentation, and developer-facing frontend tooling.

🛠️ Tech Stack

• React (or Vue)
• TypeScript
• JavaScript
• Browser debugging and monitoring tools

💼 What You'll Do

• Build and improve high-traffic frontend experiences.
• Collaborate with team and stakeholders to balance speed and quality.
• Use debugging and testing tools to maintain reliable cross-browser experiences.
• Contribute to developer-facing tooling and code reviews.

✅ What You'll Need

• Previous work or internship experience with declarative UI frameworks like React or Vue.
• Experience with JavaScript/TypeScript.
• Ability to write clear, extensible code and navigate large codebases.
• Strong communication and collaboration skills.

🌟 Nice to Have

• Experience with Affirm.js or similar payment platforms.
• Familiarity with experimentation and A/B testing.