Principal Software Engineer

of professional software engineering experience, including significant backend experience.

Deployed significant changes to a production application in the past 30 days.

(MySQL, PostgreSQL) and experience optimizing schema and queries for performance at scale.

Solid understanding of

distributed systems design patterns

(e.g., transactional outbox, event-driven architecture, queues).

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For this principal development role, with 12+ years of experience, the compensation range is

$6,000 - $12,500

per month. This range acknowledges the extensive expertise, leadership capabilities, and significant contributions expected at this level, offering a competitive salary to reflect the value of advanced skills and experience.

You will spend your time working with AI/ML tooling to identify creative uses to fill existing and emerging gaps in the applications.

In this backend focused role, you will work closely with stakeholders from Product, Support and the business.

You’ll also partner with other engineering teams to provide high-quality, scalable, and innovative solutions to internal and customer problems.

This role has both an internal and external focus, your contributions will make a meaningful difference in the day-to-day lives of your peers at Sezzle, enhancing their ability to support our business and customers, and you will have opportunities to take any feedback and iterate.

Architect, design, and build

scalable backend services and APIs primarily in

With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible. We’re not just transforming payments; we’re redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we’re building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey. If you’re excited about pushing boundaries in tech and delivering a game-changing experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping!