Senior SRE — Remote Argentina, Scale & AI-Driven Infra

Sezzle; Argentina; Remote; ARS 115,205,945 - 197,495,907; Full time

Benefits offered by this job

AI tooling access

Job summary

Sezzle is seeking a Senior Site Reliability Engineer to join a fast-paced, high-growth team. The role offers significant autonomy to identify and resolve infrastructure issues, drive reliability, and scale complex distributed systems.

You’ll lead architectural decisions, collaborate across teams, and leverage AI tooling to boost efficiency and reliability. With 12+ years of senior experience, you’ll design scalable infrastructure, mentor engineers, and shape the future of Sezzle’s observability,

Qualifications

• 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).

Responsibilities

• Architect scalable infrastructure solutions leveraging Kubernetes, AWS, RDS (MySQL/Postgres) and modern distributed patterns.
• Help drive the infrastructure team’s roadmap, improving reliability, recoverability, and scalability.
• Drive capacity planning, benchmarking, and stress testing; identify bottlenecks for growth.
• Define, maintain and enforce SLAs and alerts across the infrastructure.
• Lead efforts towards better signal anomaly detection and flexible alerting.
• Build AI-enabled tooling to improve reliability and developer productivity; apply AI to automation.
• Establish and evolve engineering best practices for observability, security, and CI/CD.
• Mentor engineers and promote a culture of learning and operational excellence.
• Collaborate cross-functionally to translate business goals into technical roadmaps.

Skills

Golang

RESTful APIs

Observability

Distributed systems

Leadership

Education

Bachelor's degree in CS

Tools

AWS

Kubernetes

MySQL

PostgreSQL

RDS

Job description

Sezzle is seeking a Senior Site Reliability Engineer to join a fast-paced, high-growth team. The role offers significant autonomy to identify and resolve infrastructure issues, drive reliability, and scale complex distributed systems.

You’ll lead architectural decisions, collaborate across teams, and leverage AI tooling to boost efficiency and reliability. With 12+ years of senior experience, you’ll design scalable infrastructure, mentor engineers, and shape the future of Sezzle’s observability,