Frontend Software Engineer, Affirm
Purchasing Integrations
$142-210k
Salary range dependent on candidate location. Plus ESPP
POS installment loans
Be an early applicant
POS installment loans
1001+ employees
Be an early applicant
$142-210k
Salary range dependent on candidate location. Plus ESPP
1001+ employees
Company mission
To deliver honest and transparent financial products that improve users' lives.
Role
Who you are
- You have a total of 1.5+ years of experience as a software engineer
- You have experience shipping web apps using declarative UI frameworks like React or Vue
- You have experience working with Javascript/Typescript
- You have experience designing, developing and launching APIs at scale using languages like Python or Kotlin
- You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code
- You are comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews
- Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
- You have strong verbal and written communication skills that support effective collaboration with our global engineering team
- This position requires either equivalent practical experience or a Bachelor’s degree in a related field
What the job involves
- Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest
- The Purchasing Integrations team is responsible for the JavaScript SDK and frontend infrastructure that power Affirm at checkout
- We build the library that merchants embed directly into their storefronts - rendering payment messaging and buttons, initiating checkout flows, and orchestrating secure, real-time communication with Affirm’s web app
- This code runs on high-traffic production sites, so performance, resiliency, and backward compatibility are critical
- Milliseconds matter, and failure is immediately visible to merchants and consumers
- This role is deeply frontend-focused
- Engineers work on bundle optimization, script loading strategies, rendering performance, and Web Vitals, ensuring our SDK integrates cleanly into diverse merchant stacks without degrading UX
- We design extensible UI components that support evolving checkout experiences while keeping integration simple and incremental for developers
- Security enhancements and modern browser-based communication patterns are core to the work
- The team operates at the intersection of platform and product: building reusable primitives, experimenting with new checkout surfaces, and translating complex requirements into intuitive APIs and polished UI
- It’s an opportunity to work on high-scale frontend systems embedded across the web—where engineering rigor directly impacts conversion, growth, and user experience
- With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work
- You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs
- You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts
- You will contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process
Our take
Affirm offers point-of-sale loans to consumers, working with merchants like Shopify, KAYAK, and Walmart. Buy now, pay later transactions have grown in popularity in recent years, and this business is tapping into the market with a totally different approach to credit - by delivering the Affirm card, the first US debit card with the option to pay-over-time.
Boasting over 21M consumers and 337,000+ merchants, the company offers flexible payback options, ranging from 3 to 36 months. The interest rates run between 0% and 30%, so, while they are not necessarily the cheapest option, Affirm prides itself on having no fees for late payments, no hidden charges, and total transparency about what people will pay before they take out a loan.
Affirm collects payments from the customers and pays the merchants directly, shouldering the risk itself. The company has boosted its market share, expanding its availability beyond the US to include most of Canada, and continues to launch new features and create new partnerships towards bettering its offering.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
-11% employee growth in 12 months
Company
Funding (last 2 of 5 rounds)
Sep 2020
$500m
SERIES G
Apr 2019
$300m
SERIES F
Total funding: $1.1bn
Company benefits
- Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
- Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
- Supportive Communities: Get involved with our employee resource groups and community groups
- Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
- Generous Time Off: Take the time you need when life happens
- Health Benefits: Get a plan that fits your needs
- Mental Healthcare: Take care of your mind with great mental health programs
- Parental Leave: Birth and non-birth parents get 18 weeks’ paid leave. Plus, a 4-week return-to-work transition program, at full base pay
- Away Days: We offer 20 company-wide paid days off—which help our teams collectively pause to recharge
- Learning & Development: Engage in exciting learning programs to level up your growth
Company HQ
Chinatown, San Francisco, CA
Leadership
Max Levchin
(Co-Founder & CEO)Has founded/co-founded numerous companies, holding various executive positions at each, including Paypal, Slide, Glow, HVF Labs, and SciFi VC. Also worked at large brands including Google, Yelp, Yahoo, and Evernote.
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