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LeadFull-timeTypeScriptPythonGolangRustReactAWSKubernetesPostgreSQLMySQLElasticsearch
Salary Range
$153,000 - $207,000 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are seeking a talented and motivated Principal Site Reliability Engineer to join our rapidly growing team at Sezzle. This role offers an exciting opportunity to thrive in a dynamic, fast-paced environment with abundant prospects for career advancement.
Key Responsibilities
- →Architect, upgrade, design, and build scalable infrastructure solutions leveraging Kubernetes, AWS, RDS (MySQL/Postgres), and modern distributed patterns.
- →Help drive the infrastructure team’s roadmap, leading us to higher levels of reliability, recoverability, and scalability.
- →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.
- →Lead the teams towards stronger signal anomaly detection, better, more flexible alerting.
- →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
- ✓12+ years of professional software engineering or infrastructure engineering experience, including significant SRE and backend 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.
- ✓Expertise with SQL-based RDBMS (MySQL, PostgreSQL) and experience optimizing schema and queries for performance at scale.
- ✓Proficiency in observability tools (Prometheus, Grafana, Datadog, New Relic).
- ✓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.
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