Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Sezzle Logo

Principal Software Engineer

Sezzle

$6,000 - $12,500
Nov 6, 2025
Remote, US
Apply Now

Sezzle is looking to solve existing and emerging gaps in their applications by leveraging AI/ML tooling, and to enhance developer productivity, internal tooling, and customer experiences through AI enablement.

Requirements

  • 12+ years of professional software engineering experience, including significant backend experience.
  • Deployed significant changes to a production application in the past 30 days.
  • 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.
  • Proficiency in observability tools (Prometheus, Grafana, Datadog, New Relic).

Responsibilities

  • Architect, design, and build scalable backend services and APIs primarily in Golang, leveraging AWS, RDS (MySQL/Postgres), and modern distributed patterns.
  • Lead Sezzle’s AI enablement efforts, identifying opportunities to apply AI and automation to enhance developer productivity, internal tooling, and customer experiences.
  • Partner with teams across the organization to integrate modern AI capabilities - Primarily around tools like Claude Code, Codex, Cursor and enhancing team productivity.
  • Drive consistency and scalability across a distributed microservices architecture while maintaining performance and reliability.
  • Establish and evolve engineering best practices for observability, security, and CI/CD across teams.
  • Mentor engineers and champion a culture of learning, innovation, and operational excellence.
  • Collaborate cross-functionally to translate business goals into technical roadmaps and deliver results that matter.

Other

  • You have relentlessly high standards
  • You’re not bound by convention
  • You need action
  • You earn trust
  • You have backbone; disagree, then commit