Principal Software Engineer, Architecture

August 29

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Affirm

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Fintech • B2C • eCommerce

Affirm is a financial technology company that offers a 'Buy Now, Pay Later' service, allowing consumers to make purchases and pay for them over time with flexible payment plans. Affirm eliminates hidden fees and compound interest, providing clear terms and conditions for its users. The company also offers the Affirm Card, a debit card that allows users to request to pay over time for larger purchases or pay in full for smaller ones. Affirm partners with various retailers across multiple categories, including electronics, apparel, and travel, providing customers with the convenience of paying over time at checkout both online and in physical stores. Affirm's services are integrated with Apple Pay, enabling customers to make payments seamlessly from their iPhone or iPad.

1001 - 5000 employees

Founded 2012

💳 Fintech

👥 B2C

🛍️ eCommerce

💰 Post-IPO Equity on 2021-01

📋 Description

• 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. • In this role, you will be a senior member of Affirm’s Architecture Group, reporting directly to the Head of Architecture with a dotted line to Affirm’s EU leadership. You will own the architecture, technical roadmap, and delivery outcomes that enable Affirm’s international expansion, with particular focus on compliance and localization, cross-border trade, and country-specific payments and KYC requirements. You will also play a critical role in building Affirm’s technical leadership bench in Europe, mentoring senior ICs and formally establishing a strong EU-based tech leads group. • You will serve as the accountable technical leader for Affirm’s European expansion, ensuring that our platform and systems are built to operate reliably, securely, and compliantly across diverse markets. • Pay Grade - T • Equity Grade - 12 • Location - Remote UK • Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities. • We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include: • Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents • Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses • Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge • ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount • We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

🎯 Requirements

• 12+ years of software engineering experience, with prior technical leadership roles. • Proven success driving technical architecture for large-scale consumer or fintech systems, ideally in international or multi-market contexts. • Deep experience guiding engineering strategy and delivery in complex, regulated environments. • Expertise in the European payments landscape, cross-border trade, KYC/AML compliance, and localization at scale. • Ability to distill complex technical trade-offs into clear decisions that shape product and platform evolution. • Strong communication skills, capable of engaging both engineers and executives to drive alignment and clarity. • Track record of mentoring senior engineers and building technical leadership communities. • Extensive experience designing and operating highly available, secure, and scalable distributed systems. • Experience in fintech or consumer-facing retail systems is strongly preferred. • Familiarity with international compliance regimes and European regulatory frameworks is a plus. • JVM experience at scale is a plus. • Bachelor’s degree in Computer Science or related field, or equivalent practical experience.

🏖️ Benefits

• Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents • Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses • Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge • ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount