Principal Infrastructure Engineer (Fintech)

Location: Remote in Mexico

Salary: $12,500–$20,800 USD gross per month, based on location and experience

Company

hirify.global is a fintech and retail technology company building interest-free installment payment products and shopping experiences for consumers and merchants.

What you will do

• Own the architecture and evolution of core infrastructure supporting increasing traffic, data volume, and workload complexity.
• Design resilient AWS account, IAM, networking, multi-AZ, and multi-region architectures.
• Build and operate Kubernetes platforms, including cluster lifecycle automation, workload isolation, resource allocation, autoscaling, and safe upgrades.
• Scale and optimize Aurora RDS for MySQL and Postgres, including query performance, indexing, replication, failover, and migrations.
• Improve reliability through observability, SLOs, incident response, disaster recovery, infrastructure-as-code, and safe production migrations.
• Build AI-assisted infrastructure and SRE tooling for incident investigation, capacity analysis, runbook automation, and toil reduction.

Requirements

• Bachelor’s degree in Computer Science or a similar technical field.
• 12+ years of experience in infrastructure, platform engineering, SRE, software development, or related disciplines.
• Deep production expertise with AWS, Kubernetes, relational databases, and RDS/Aurora for MySQL and/or Postgres.
• Strong coding and automation skills with Golang, Python, or similar languages, plus Terraform or equivalent infrastructure-as-code experience.
• Strong systems fundamentals across Linux, networking, DNS, TLS, storage, concurrency, and distributed-system failure modes.
• Experience operating high-availability platforms, participating in on-call rotations, handling incidents, testing disaster recovery, and improving observability and capacity.

Nice to have

• Experience in fintech, payments, or banking environments with demanding reliability, security, and audit requirements.
• Experience with multi-region architectures, chaos engineering, and distributed data recovery tradeoffs.
• Proficiency with Prometheus, Grafana, Loki, Tempo, or comparable observability tools.
• Experience building internal platforms, self-service tooling, progressive delivery, and AI-assisted operational automation.

Culture & Benefits

• Full-time remote work from Mexico.
• Hands-on ownership of infrastructure serving customer and revenue-critical workloads.
• Emphasis on high engineering standards, measurable results, simplicity, accountability, and continuous improvement.
• Open-source-oriented technology environment.
• Collaboration with application engineering, Security, Compliance, and engineering leadership.