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I'm Sean, a senior software developer with 30+ years of experience delivering robust, scalable solutions across Windows, macOS, Unix, and cloud environments. I specialize in system architecture, backend development, automation, and cross-platform integration. I take ownership of complex systems, modernize legacy components, and drive projects from initial research through to release, documentation, and long-term support. I mentor developers, improve engineering workflows, and bridge communication between technical teams and management. I am passionate about clean architecture and reliable systems, and I am committed to continuous learning.…I'm Sean, a senior software developer with 30+ years of experience delivering robust, scalable solutions across Windows, macOS, Unix, and cloud environments. I specialize in system architecture, backend development, automation, and cross-platform integration. I take ownership of complex systems, modernize legacy components, and drive projects from initial research through to release, documentation, and long-term support. I mentor developers, improve engineering workflows, and bridge communication between technical teams and management. I am passionate about clean architecture and reliable systems, and I am committed to continuous learning.

Sean O'Connor

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Sean, a senior software developer with 30+ years of experience delivering robust, scalable solutions across Windows, macOS, Unix, and cloud environments. I specialize in system architecture, backend development, automation, and cross-platform integration. I take ownership of complex systems, modernize legacy components, and drive projects from initial research through to release, documentation, and long-term support. I mentor developers, improve engineering workflows, and bridge communication between technical teams and management. I am passionate about clean architecture and reliable systems, and I am committed to continuous learning.…I'm Sean, a senior software developer with 30+ years of experience delivering robust, scalable solutions across Windows, macOS, Unix, and cloud environments. I specialize in system architecture, backend development, automation, and cross-platform integration. I take ownership of complex systems, modernize legacy components, and drive projects from initial research through to release, documentation, and long-term support. I mentor developers, improve engineering workflows, and bridge communication between technical teams and management. I am passionate about clean architecture and reliable systems, and I am committed to continuous learning.

Available to hire

I’m Sean, a senior software developer with 30+ years of experience delivering robust, scalable solutions across Windows, macOS, Unix, and cloud environments. I specialize in system architecture, backend development, automation, and cross-platform integration.
I take ownership of complex systems, modernize legacy components, and drive projects from initial research through to release, documentation, and long-term support. I mentor developers, improve engineering workflows, and bridge communication between technical teams and management. I am passionate about clean architecture and reliable systems, and I am committed to continuous learning.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Beginner

Beginner

Beginner

Work Experience

Senior Software Developer at Pharos Systems

February 1, 2002 - September 1, 2024

Led development of features across Pharos Cloud Print, Blueprint, and Uniprint. Designed and delivered a WCF-based security layer that works out of the box across diverse customer environments. Implemented support for V4 printer drivers. Led the redesign of the server installer for maintainability and resilience. Built an automated smoke test framework integrated into the build pipeline. Migrated source control and build systems. Administered Jira and optimized agile workflows across multiple teams. Served as Team Lead and provided 3rd-level support for complex enterprise issues.

CTI Systems Engineer/Software Developer at ECONZ

August 1, 1998 - October 1, 2001

Provided 3rd-level support and maintenance for Telecom's large IVR systems. Developed automation scripts for backups, DB maintenance, reporting, and engineer paging. Built a Win32 application to extract and visualize call-centre statistics from DB2 databases. Migrated 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. Promoted to Team Lead for the on-site ECONZ team.

System Administrator/Helpdesk at Carters/Carter Holt Harvey

February 1, 1996 - July 1, 1998

Supported PC, printer, and network issues across multiple branches. Developed a custom Windows device driver to resolve a retail-store security issue. Automated PC configuration for new-store rollouts using custom scripts. Built a web-based helpdesk ticketing and notification system.

Demonstrator/Lab Supervisor at University of Waikato

January 1, 1994 - January 1, 1995

Assisted with lab demonstrations and supervision during the academic years 1994–1995.

Assistant Programmer at Alphacom

January 1, 1993 - January 1, 1994

Assisted with programming tasks and development projects.