Principal Infrastructure Engineer (AI)

Location: Poland, Remote

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

Company

hirify.global is a fintech and retail product company providing interest-free installment payment solutions 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, autoscaling, upgrades, and deployment reliability.
• Scale and optimize Aurora RDS for MySQL and Postgres, including queries, indexes, connections, replication, failover, and migrations.
• Improve reliability through observability, SLOs, error budgets, disaster recovery, incident response, and safe infrastructure migrations.
• Develop infrastructure-as-code, operational automation, cost-efficiency improvements, and AI-assisted tooling for investigations, runbooks, capacity analysis, and toil reduction.

Requirements

• Bachelor’s degree in Computer Science or a similar technical field.
• 12+ years of experience designing and operating production infrastructure at scale.
• Deep production expertise with AWS, Kubernetes, and relational databases, especially Aurora RDS with 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 24/7 high-availability platforms, participating in on-call rotations, handling incidents, testing disaster recovery, and using observability, load testing, capacity planning, and safe CI/CD practices.

Nice to have

• Experience in fintech, payments, or banking infrastructure.
• Experience with multi-region architectures, chaos engineering, and failure testing.
• Experience with Prometheus, Grafana, Loki, Tempo, or comparable observability systems.
• Experience building internal platforms, self-service tooling, progressive delivery, or AI-assisted incident investigation.

Culture & Benefits

• Remote, full-time work arrangement based in Poland.
• Participation in an on-call rotation is part of the role.
• Strong emphasis on high standards, accountability, measurable results, simplicity, and practical innovation.
• Open-source technologies and a build-before-buy engineering approach.