Principal Software Engineer
SezzleLatin America
Posted November 7, 2025
72000 - 150000 USD year
Full Time
About the Company
Sezzle is a fintech company that is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans.
Job Description
Sezzle is seeking a Principal Software Engineer to join their team. The role involves working with AI/ML tooling, designing and developing backend services and APIs, and leading the company's AI enablement efforts. The ideal candidate has 12+ years of experience in software engineering, significant backend experience, and proficiency in Golang, SQL-based RDBMS, and distributed systems design patterns.
Requirements
- 12+ years of professional software engineering experience
- Strong proficiency in Golang, with experience building and maintaining RESTful APIs
- Expertise with SQL-based RDBMS (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)
- Demonstrated ability to bring new ideas forward, influence decisions, and lead complex technical initiatives
- Bachelor’s degree in Computer Science or equivalent practical experience
Benefits
- Competitive salary
- Opportunities for career advancement
- Collaborative and dynamic work environment
- Opportunities to work on interesting and challenging problems
