Senior Infrastructure Architect – Cloud, Kubernetes & AIOps

Sezzle; Warszawa; Presencial; PLN 564.000 - 938.000; Tempo integral

Resumo da vaga

Sezzle is seeking a Principal Infrastructure Engineer to design, build, operate, and scale the platform powering Sezzle. You will tackle hard infra problems: throughput, latency, capacity bottlenecks, resilience, and automation as the business grows.

Stack runs on AWS, Kubernetes, Aurora RDS, with focus on architecture, on-call, AI-assisted tooling, and cost efficiency. You will own initiatives from architecture to production, and collaborate acrossSecurity/Compliance.

Qualificações

• Bachelor's degree in Computer Science or a similar technical field.
• 12+ years of experience building and operating production infrastructure at scale.
• Deep expertise with AWS and Kubernetes in production environments.

Responsabilidades

• Own the architecture and evolution of core infrastructure.
• Design and run scale tests, diagnose bottlenecks, and optimize cost.
• Build AWS infrastructure and manage multi-AZ/high-availability deployments.
• Operate the Kubernetes platform with automation and safe upgrades.
• Lead on-call responses and document postmortems for continuous improvement.

Conhecimentos

AWS

Kubernetes

Aurora RDS

PostgreSQL

Golang

Python

Terraform

CI/CD

On-call

AI tooling

Formação

Bachelor's degree in Computer Science or a similar technical field

Ferramentas

AWS

Kubernetes

Terraform

CI/CD pipelines

Prometheus/Grafana

Descrição da vaga

Sezzle is seeking a Principal Infrastructure Engineer to design, build, operate, and scale the platform powering Sezzle. You will tackle hard infra problems: throughput, latency, capacity bottlenecks, resilience, and automation as the business grows.

Stack runs on AWS, Kubernetes, Aurora RDS, with focus on architecture, on-call, AI-assisted tooling, and cost efficiency. You will own initiatives from architecture to production, and collaborate acrossSecurity/Compliance.