Justin Persaud
Infrastructure Engineer at Expensify
Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolJustin Persaud is an Infrastructure Engineer and Site Reliability practitioner with 10 years of experience building and operating cloud-native platforms for high-scale products. Currently at Expensify, he specializes in reliability, automation, and security across AWS and container orchestration ecosystems, having led service mesh, Nomad/Kubernetes, and Vault-driven secrets initiatives. He has a track record of modernizing infrastructure—moving legacy workloads to immutable, autoscaled deployments and introducing observability stacks like Prometheus/Grafana at scale. A former SRE team lead at WorkMarket and contributor to large media and eCommerce migrations, he blends hands-on implementation with mentorship and roadmap planning. Based in Toronto, he pairs practical infrastructure-as-code discipline (Terraform, Packer, Salt/Ansible) with an appreciation for developer ergonomics, evidenced by building local dev environments that mirror production.
10 years of coding experience
4 years of employment as a software developer
Computer Technology/Computer Systems Technology, Computer Technology/Computer Systems Technology at Centennial CollegeInformation Technology Management, Information Technology Management at University of Toronto
Github Skills (28)
financial10
finance10
failover10
react-native-svg10
chat10
collaboration10
qr-code10
react-native9
proxy9
svg9
replication9
distributed-database8
cloud-native8
wan8
asdf7
Programming languages (7)
Github contributions (5)
Expensify/fab-classic
Mar 2025 - Jun 2026
Simple, Pythonic remote execution - Fork of Fabric 1.x
Contributions:4 reviews, 1 PR, 2 pushes in 1 year 3 months
remote-execution
justinpersaud/the_go_programming_language
Jul 2019 - Oct 2019
Contributions:9 pushes, 2 branches, 16 issues in 3 months
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