Sezzle

Principal Engineer – Infrastructure

Sezzle

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $200,000 - $300,000 per year

Job Level

About the role

  • Architect, upgrade, design, and build scalable infrastructure solutions leveraging Kubernetes, AWS, RDS (MySQL/Postgres), and modern distributed patterns.
  • Help drive the infrastructure and engineering teams’ roadmaps, leading us to higher levels of reliability, recoverability, and scalability.
  • Find and fix issues across our systems before they become issues in production, through tooling, alerts, AI, collaboration with teams, whatever it takes.
  • Drive capacity planning, benchmarking, and work with the team to stress test our systems, find bottlenecks, and prepare for further growth in the business.
  • Define, maintain and enforce SLAs and alerts across our infrastructure.
  • Help Lead Sezzle’s AI enablement efforts, identifying opportunities to apply AI and automation to enhance infrastructure reliability, developer productivity, and internal tooling.
  • Build in 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.

Requirements

  • 15+ years of professional software engineering or infrastructure engineering experience, including significant backend development and production engineering experience.
  • Deployed significant changes to a production application or infrastructure configuration in the past 30 days.
  • Strong proficiency in Golang, with experience building and maintaining RESTful APIs.
  • Deep 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 and stream processing, 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
  • Unlimited PTO, volunteer hours and sabbatical
  • Life, STD/LTD, medical, dental and vision insurance
  • Highly discounted LifeTime gym membership
  • 401k with match
  • Collaborative fun co-workers
  • The opportunity to join the fastest growing FinTech alongside a team of motivated and driven individuals
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KubernetesAWSRDSMySQLPostgreSQLGolangRESTful APIsdistributed systems design patternsCI/CDobservability
Soft Skills
leadershipcollaborationmentoringinnovationoperational excellenceinfluencing decisionsproblem-solvingcapacity planningcommunicationcross-functional collaboration
Certifications
Bachelor’s degree in Computer Science