Senior Software Engineer, Full Stack (Zero to One Labs)

Affirm

Remote

Quick summary

Work type: Remote
Location: Remote
Salary: $195,000–$255,000 / yr
Posted: 49 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $188k

This role $225k

$140k most similar roles pay here $267k

This role pays more than 81% of similar roles. Most pay $152,578–$223,750 — the shaded band above. At the midpoint, this role pays about $225k versus about $188k for comparable roles.

Based on 240 similar postings.

Employer

About Affirm

Affirm is a buy-now, pay-later (BNPL) financial technology company that offers point-of-sale installment loans to consumers, allowing them to split purchases into fixed monthly payments with transparent terms. Industry: Financial Technology & Consumer Lending

Affirm currently has 57 open roles on FindRole.

Listed pay typically runs $195,000–$255,000 across 57 roles with salary data.

Most-posted roles

View all roles at Affirm

At a glance

TL;DR · Senior Software Engineer, Full Stack (Zero to One Labs)

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Join Zero To One Labs as a Senior Software Engineer in a full-stack role, working within Affirm’s innovation lab focused on rapid AI-driven experimentation. This small, empowered team operates with autonomy and speed to prototype quickly and test ideas rigorously. You will leverage AI-first tools like agentic coding workflows and automation to accelerate development and prototyping while collaborating closely with product managers and cross-functional partners. Key responsibilities include owning quarterly goals, leading engineers through ambiguous problems, and ensuring the delivery of high-quality, scalable solutions. Ideal candidates have 4+ years of experience in backend systems design using technologies such as Python, Kotlin, AWS, MySQL, and Kubernetes, along with expertise in web app development with React or Vue. Strong verbal and written communication skills are essential for effective collaboration within a global engineering team.

Skills

Python Kubernetes AWS React Vue MySQL CI/CD AI-tools agentic-coding-workflows automation Terraform PostgreSQL Docker

What you'll do

Own and deliver quarterly goals for your team, leading through ambiguity to solve complex problems.
Collaborate with product management and design teams to articulate technical constraints and inform decisions.
Proactively identify and resolve project issues, advocating for solutions that balance risks and trade-offs.
Ensure the operational readiness of team artifacts by creating and monitoring metrics for system health.
Foster a culture of quality and ownership on your team through setting code review and design standards.

What we're looking for

4+ years of software engineering experience
Experience designing, developing, and launching backend systems at scale using Python, Kotlin, AWS, MySQL, Kubernetes
Proficiency in shipping web apps with declarative UI frameworks like React or Vue
Strong experience leveraging AI tools for development, prototyping, and problem solving
Ability to define technical plans and write high-quality, extensible code

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