Senior SRE: Scalable Infra, AI-Driven Reliability

Sezzle; Ciudad de México; Presencial; MXN 1.364.303 - 2.338.805; Jornada completa

Descripción de la vacante

Sezzle is seeking a talented Senior Site Reliability Engineer to join a fast‑growing team. You will own and scale infrastructure, drive reliability improvements, and apply AI tooling to enhance operations. The role emphasizes autonomy, leadership, and hands‑on technical excellence in a dynamic fintech environment.

You will mentor peers and influence architectural decisions across services. The ideal candidate has 12+ years of software or infrastructure experience, deep Golang expertise, and

Formación

• 12+ years of professional software or infrastructure experience.
• Significant SRE and backend experience.
• Deployed significant changes to a production application or infrastructure configuration in the past 30 days.
• Bachelor's degree in Computer Science or equivalent practical experience.

Responsabilidades

• Architect, upgrade, design, and build scalable infrastructure solutions leveraging Kubernetes, AWS, RDS (MySQL/Postgres), and modern distributed patterns.
• 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.

Conocimientos

Golang

RESTful APIs

Distributed systems

Observability concepts

Leadership

Educación

Bachelor's degree in Computer Science or equivalent

Herramientas

AWS

Kubernetes

RDS (MySQL/PostgreSQL)

CI/CD pipelines

Git

Prometheus

Grafana

Datadog

New Relic

Elasticsearch

Descripción del empleo

Sezzle is seeking a talented Senior Site Reliability Engineer to join a fast‑growing team. You will own and scale infrastructure, drive reliability improvements, and apply AI tooling to enhance operations. The role emphasizes autonomy, leadership, and hands‑on technical excellence in a dynamic fintech environment.

You will mentor peers and influence architectural decisions across services. The ideal candidate has 12+ years of software or infrastructure experience, deep Golang expertise, and