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.

6+ 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.

Senior Site Reliability Engineer

Key skills