Kevin O'Regan Email & Phone Number

County Dublin, Ireland

Working as an engineer for the Walmart and Jet.com pricing team on their pricing and competitive intelligence systems.

County Dublin, Ireland

Worked as a Software Engineer on multiple projects in a role which included various kinds of DevOps/SRE responsibilities alongside service and feature design, implementation, and testing.Azure DNS / Traffic Manager ●Assisted with the design, implementation, testing, deployment, monitoring, and operation of the globally distributed DNS platform underpinning Azure's core services including Web/Worker Roles, VMs, Storage and Management Accounts, SQL Azure etc.●Owned the design, implementation, and testing of a highly available RESTful Web Service for partners to manage their DNS infrastructure.●Assisted with the design, implementation, testing, deployment, monitoring, and operation of a system to migrate both management and serving plane workloads for Azure's DNS platform to a brand new NOSQL system; meeting strict requirements around global and regional latencies and availabilities and enabling live migrations.●Participated in 24 hour on-call and live-site management rotations including incident bridge management and presenting detailed root cause analyses to management, peers, and released publicly via the Azure portal.Azure Software Load Balancer ●Researched and prototyped a number of external DDoS protection services and solutions including those based on globally distributed Arbor DDoS Appliances.●Owned the design, implementation, and testing of a DDoS protection feature in Azure's Software Load Balancer: from data and management plane to serving plane and from external management APIs down to Win32 and C/C++ device drivers across multiple components.

County Dublin, Ireland

Worked as a Software Development Engineer with the Azure Infrastructure Europe group in Microsoft's European Development Centre in Dublin, Ireland.●Assisted with the design, implementation, testing, and deployment of a distributed log ingestion system for the Azure CDN.●Implemented features and bug fixes within components including Linux and Unix based clients and Azure/IIS hosted Web Services.●Owned the design, implementation, and testing of a horizontally scaling WebDAV file storage component.

County Dublin, Ireland

●Acceptance and performance testing a large J2EE RESTful web service using tools such as Apache JMeter and frameworks such as Exactor.●Integration of acceptance and performance tests with continuous integration server utilising Apache Ant and XSLT.●Minor bug fixing and unit test refactoring within a large J2EE RESTful web service.●Implemented a fully functional RESTful web service client using both Java and Groovy.

County Dublin, Ireland

●Acceptance and performance testing a large J2EE RESTful web service using in-house tools and frameworks such as Exactor.●Designed and implemented a distributed framework in Python and Java for performance and stress testing a large J2EE RESTful web service.●Profiling and optimising time consuming SQL queries over large data sets using JProfiler and SQL Developer.●Designed and implemented a filter in Java for scrubbing user submitted HTML/XHTML/XML to prevent XSS and SQL injection attacks on a large J2EE RESTful web service.