Atlassian

Senior Systems Engineer

• PostgreSQL (RDS) database administration for Mailtracker, an email events tracking system that handles 1 billion+ events per month (table partitioning, correct indexes, query optimisation)
• Built features to detect spammers abusing Atlassian services to send email
• Worked with Support Engineers to investigate unusual customer email problems
• Wrote documentation and tools to help Support Engineers to self-service customer problems
• Built features for Go services running on the AWS Serverless stack

Atlassian

Systems Engineer

• Built and ran a centralised outbound email service for Atlassian cloud products
• Email troubleshooting for support engineers and customers
• Designed and built Mailtracker service to store email events in PostgreSQL for troubleshooting and analysis. Handles 1 billion+ email events per month

Atlassian

Site Reliability Engineer

• Worked a 24x7 rotating on-call roster. Managed customer impacting incidents.
• Built a service to reduce the blast-radius of bugs hitting production using canary hosts
• Wrote tooling in Python and Go to automate repetitive operational work
• Built tools using JIRA and Confluence APIs to generate weekly reports
• Built tools help migrate customers from bare metal infrastructure to AWS

Yahoo7

Service Engineer

• Managed production code releases. Worked with developers and product owners to ensure code changes were released on schedule without impacting service availability
• Used configuration management tools to provision new testing and production infrastructure
• Worked a rotating 24x7 on-call pager duty. Responded to alerts and incidents to resolve them quickly
• Applied critical security fixes to hundreds of production servers. Fixed Heartbleed, Ghost and Shellshock vulnerabilities
• Used Jenkins-based build infrastructure to help achieve continuous delivery