Sean O'Connor

Designing and building web and mobile applications from concept through deployment. Implementing backend services, authentication, and cloud infrastructure. Providing consulting on enhancements to existing platforms, performance improvements, and new features for clients across multiple engagements.

Supported a system used by 5,500+ organizations with 99.99% uptime. Designed and delivered major features across Pharos Cloud Print, Blueprint, and Uniprint, owning components from research and architecture through implementation, documentation, and support. Built a WCF-based security layer designed to work out of the box across diverse customer environments. Led the redesign of the server installer, produced a more maintainable and resilient installation process. Developed an automated smoke test framework integrated into the build pipeline. Migrated source control and build systems, improving reliability and maintainability. Administered Jira and optimized agile workflows across multiple teams. Served as Team Lead and provided 3rd level support for complex customer issues in enterprise environments.

Provided 3rd-level support and maintenance for Telecom’s national IVR services. Developed automation scripts (shell, AWK) for backups, DB maintenance, reporting, and engineer paging. Built a Win32 application to extract and visualize call-centre statistics from DB2 databases. Converted legacy Windows applications from 16-bit to 32-bit. Coordinated nationwide hardware/software rollouts with minimal downtime. Took ownership of a multi-threaded C++ business-rules server and promoted to Team Lead for the on-site ECONZ team (4–5 staff).