Senior Software Engineer

🕒 December 1, 2025

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Sezzle

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2016

💳 Fintech

👥 B2C

🛍️ eCommerce

Fintech • B2C • eCommerce

Sezzle is a financial technology company that offers a "buy now, pay later" service, allowing consumers to purchase products and pay for them in four interest-free installments over six weeks. The Sezzle app provides users with a flexible financing alternative to traditional credit cards, enabling instant approval decisions without impacting credit scores. Sezzle partners with various top brands, including Amazon, Walmart, and Target, to offer in-app and in-store payment options. The company's mission is to empower consumers financially by providing more financial freedom and control. It is available as a mobile app, with millions of downloads and high user ratings, and works towards accessibility and inclusion on its platform.

📋 Description

• Design software applications and features in Golang and React • Help build out a distributed architecture, creating solutions that work within it, maintaining consistency while scaling highly • Coordinate with internal company stakeholders to design market winning products • Develop and collect metrics to drive continuous improvement of existing products • Deliver high quality features which can be tested and adheres to reporting standards • As needed, lead small development teams to bring a project to market • Mentor other engineering teammates to help elevate their experience and knowledge

🎯 Requirements

• At least 7 years of full-stack software engineering experience • Experience bringing new ideas and building consensus on the path forward • Experience with building and serving REST APIs using Go (preferably) and Java Python or a similar language. • Experience working in a distributed, cloud-based architecture, with either design patterns like transactional outboxes, or queuing tools like RabbitMQ, SQS, Kafka • BS in Computer Science or similar degree.

🏖️ Benefits

• Health insurance • Paid time off • Flexible work arrangements • Professional development opportunities