Principal Site Reliability Engineer (AI)

TL;DR

Principal Site Reliability Engineer (AI): Leading infrastructure strategy for a cutting-edge AI-driven SaaS platform serving finance teams with an accent on scaling, optimizing, and securing cloud-based systems. Focus on shaping reliability and performance, working with advanced cloud technologies, automation tools, and AI-driven solutions.

Location: Remote within Latin America (Argentina, Brazil, Colombia, Mexico)

Company

hirify.global is partnering with a fast-growing AI-driven SaaS platform that automates critical workflows for finance and accounting teams in high-growth businesses.

What you will do

• Define and lead infrastructure and reliability strategy across the platform.
• Design scalable, resilient systems in collaboration with engineering teams.
• Optimize build, testing, and deployment processes for speed and stability.
• Establish and uphold best practices for CI/CD, monitoring, and observability.
• Lead incident response and drive continuous improvement post-incident.
• Automate workflows to reduce operational toil and risk.
• Mentor engineers and foster a culture of operational excellence.
• Make strategic build-vs-buy decisions balancing speed, quality, and sustainability.

Requirements

• 8+ years of experience in Site Reliability Engineering or DevOps roles, including 2+ years in a Principal or Lead position.
• Proven experience in infrastructure modernization and scaling initiatives for high-growth environments.
• Strong proficiency in Python.
• Deep expertise in cloud platforms and container orchestration tools such as AWS ECS and EKS.
• Solid experience in CI/CD pipeline design and optimization using tools like GitHub Actions and Buildkite.
• Proficiency in infrastructure-as-code tools such as Terraform.
• Strong knowledge of monitoring, observability, and performance optimization practices.
• Upper-Intermediate level of spoken and written English.

Nice to have

• Experience with monorepos (Turborepo, pnpm).
• Familiarity with modern TypeScript tools (swc, biome, oxc).
• Knowledge of NestJS, NextJS, and testing frameworks (Jest, Vitest).

Culture & Benefits

• Diversity of domains and technology.
• Health and legal support.
• Active professional community and continuous education.
• Flexible schedule and remote work.
• Outstanding offices (if chosen).
• Sports and community activities.