Software Engineer with over 6 years of experience across front-end, back-end and infrastructure. Enjoy learning new technologies and building simple solutions to solve problems.
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Software EngineerHapanaMacquarie Links, Nsw, Au -
Software EngineerHapana Nov 2024 - PresentSydney, New South Wales, Australia -
Full Stack DeveloperViva Leisure Apr 2024 - Nov 2024Sydney, New South Wales, Australia -
Senior Full Stack EngineerOver-C Jan 2022 - Dec 2023Cork, County Cork, Ireland- Mentored team members and new hires through pair programming, team technical sessions.- Migrated Frontend data layer of Admin app to use Tanstack query- Developed and deployed multiple hub microservices/packages using monorepo setup- Developed workflow, workers microservices using Temporal.io- Rebuilt weather service in GoLang as a personal objective- Developed Node.js Api wrappers package for third party integration -
Web DeveloperOver-C Jan 2018 - Jan 2022Cork, County Cork, Ireland- Developed Vue.js based Dashboard/Admin including real-time data on Mapbox (Vuex, Mapbox.js, three.js for 3d rendering, websocket), analytics (chart.js) and styling with Tailwind CSS- Developed many internal tools for Maps eg placing sensors, drawing zones (MapboxGLDraw)- Integrated with feature flagging software to provide flexible feature releases (LaunchDarkly)- Developed and deployed multiple Node.js services in AWS Fargate including Weather (Visual Crossing API wrapper)- Maintained authentication and authorization modules for Node.js services, and an OAuth 2.0 Authorization Code Flow module for web apps -
Asc Financial Ops AnalystDell Emc Dec 2016 - Jan 2018Cork, County Cork, Ireland- Liaised with both local and Us business teams to identify and generate business intelligence reports- Wrote complex SQL queries for automated reporting- Wrote Salesforce and SOQL Queries - Maintained automated reports using an open source tool Pentaho- Developed internal php forum application for team- Created Dashboards, workbooks and data visualisation in Tableau- Automated Publishing data sources to Tableau server -
Php (Laravel) & Analytics DeveloperOttera Technology Ltd Jun 2015 - Dec 2016Cork, County Cork, Ireland- Participated in developing the product requirement specification document- Worked as part of an Agile SCRUM team of 4 developers and reported to the CTO - Used GitHub and GitFlow for source control and branching strategy- Participated in Test Driven Development and Peer Programming- Initially developed a secure API (JWT and CSRF) using the PHP Laravel 4.2 framework- Upgraded the API to PHP Laravel 5.1 and utilised a micro service architecture hosted within AWS- Implemented unit tests using PHP Unit and Protractor (automation) for front-end E2E tests - Set up Continuous Integration using Laravel Forge- Implemented analytics event tracking using Mixpanel and created ad hoc reports using the data- Presented work on a weekly basis to CTO and product owner via show and tells
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BarberqTidory'S Barber Shop Feb 2016 - Jun 2016Developed a Barber Appointment Web Application using Laravel and Angular JS.The web application allowed clients of the barber to sign up, sign in, make appointments, delete appointments, etc.The appointments were displayed using an open source calendar called UI Calendar from Github.Used Mixpanel a business analytics software to track events on the web application.
Gary O Brien Education Details
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Software Development -
Computer Science
Frequently Asked Questions about Gary O Brien
What company does Gary O Brien work for?
Gary O Brien works for Hapana
What is Gary O Brien's role at the current company?
Gary O Brien's current role is Software Engineer.
What schools did Gary O Brien attend?
Gary O Brien attended Cork Institute Of Technology, Munster Technological University.
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Gary O Brien
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