Senior Backend Engineer - AI-Powered Reliability Platform

Affirm; New York (NY); On-site; USD 195,000 - 255,000; Full time

Benefits offered by this job

Health care coverage

Employee stock purchase plan (ESPP)

Generous time off

Job summary

Affirm is building a next-gen reliability platform for production systems, blending distributed systems with AI-assisted development. You’ll own quarterly goals, lead engineers through ambiguity, and collaborate with product, design, and analytics to balance risks and trade-offs.

You’ll ship high-quality code, contribute to design standards, mentor teammates, and help operate the team’s artifacts with metrics and on-call support. This remote-first role emphasizes reliability and ownership.

Qualifications

• 4+ years of experience as a software engineer.
• Experience designing, developing and launching backend systems at scale.
• Experience shipping web apps using React or Vue.
• Practical use of LLMs or AI frameworks to enhance automation and guidance.

Responsibilities

• Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
• Collaborate with product management, design and analytics through ideation and constraint articulation.
• Identify and lead solutions to project, process, technology or business issues.
• Support operations and on-call efforts to keep services reliable.

Job description

Affirm is building a next-gen reliability platform for production systems, blending distributed systems with AI-assisted development. You’ll own quarterly goals, lead engineers through ambiguity, and collaborate with product, design, and analytics to balance risks and trade-offs.

You’ll ship high-quality code, contribute to design standards, mentor teammates, and help operate the team’s artifacts with metrics and on-call support. This remote-first role emphasizes reliability and ownership.