- Technical ArchitectPhorest LTD2010 - PRESENT
Technologies: iOS, Android, Java EE (Java, Groovy, Kotlin), Microservices, Docker, AWS, Spring, Hibernate, NoSQL
- Designed the architecture and implemented a web-scale, multi-tenant cloud-based platform for the beauty industry with Java and open source stack with microservice architecture.
- Built a multi-tenant cloud system that services thousands of businesses with millions of customers, built on elastic, scaling AWS cloud infrastructure using Amazon ECS and Docker.
- Developed Spring Boot microservice applications deployed on AWS ECS; built with Java, Groovy, and Kotlin.
- Built Objective-C and Swift iOS apps. One iOS app was featured by Apple in the App Store.
- Built native Android (Java, Kotlin) apps.
- JEE Architect (Contractor)Fujitsu LTD2010 - 2010
Technologies: Java, WebLogic, Ingres, Spring, Hibernate
- Acted as a Fujitsu consultant onsite at the Irish tax authority (revenue commissioners).
- Developed a new ESB solution for revenue as part of their SOA strategy, in addition to Java development on other projects.
- Used the Mule ESB to mediate JMS, web service, and legacy communication protocols between the revenue’s web applications and back-end core tax processing services.
- Defined the XA transaction strategy for integrating the various endpoints.
- Worked on various other JEE applications using WebLogic, Sprint, Hibernate, and Ingres.
- Solutions Architect (Contractor)Sentenial Software LTD2008 - 2009
Technologies: Spring (Spring Web Services and Spring Batch), DOM, SAX, XSLT, XPath, JAXB, XSD, JMS, WebSphere, JBoss, Oracle, DB2 Windows, Linux, ZOS
- Designed and built a B2B core integration framework for SEPA’s high-volume message-based, direct debit payment processing.
- Developed a specific implementation for integrating Sentenial's SEPA payment system with the accounting systems of the Royal Bank of Scotland.
- Designed a flexible integration framework which allows Sentenial’s suite of products to stream messages to heterogenous bank systems via web services, JMS, SFTP, files, etc, through a configuration of different endpoints.
- Used Spring (including Spring Web Services and Spring Batch), various XML processing frameworks (DOM, SAX, XSLT, XPath, JAXB, XSD), JMS, WebSphere, JBoss, Oracle and DB2 on Windows, Linux, and ZOS mainframes. The system is currently being used to process payments in Royal Bank of Scotland and ABN Amro.
- Senior Software EngineerCusp Point Software2007 - 2008
Technologies: JBoss Application Server, Seam, Spring, JPA, SOAP/REST Web Services, JBoss BPM
- Worked as the lead developer was responsible for designing and delivering a large number of features in a highly distributed, multi-tenant web application, targeted at terabytes of data in a SAS document management system.
- Built an AJAX front-end, back-end, and did full-stack development for the core document management web application using a JBoss Application Server, Seam, Spring, and JPA architecture.
- Developed a SOAP/REST document management web service.
- Created a back-end domain object based security framework for a multi-tenant web application using Spring Security.
- Wrote a document routing workflow web application using JBoss JBPM, and a document batch processing engine using Spring/Hibernate.
- Senior Software Engineer (Contractor)Corvil LTD2006 - 2007
Technologies: Core Java, C/C++, PostreSQL, Python, Bash Scripting
- Involved in building an embedded platform for Corvil’s network bandwidth quality manager, to support introspection of network problems in high-volume, financial trading environments using statistical algorithms to analyze 10 GB packet rates to microsecond accuracy.
- Managed and worked in core Java development.
- Wrote network systems programming C/C++, Python and did Bash integration testing on a Linux platform running PostgreSQL.
- Profiled and performance tuned Java and PostgreSQL.
- Software Engineer (Contractor)AOL2005 - 2006
Technologies: WebLogic, Hibernate, Spring, Drools, Tapestry, Maven
- Developed a new webservices SOA, using J2EE technologies, supporting AOL’s internal and B2B strategy.
- Helped design and build the Order Management Service; used a range of technologies and techniques, including web services (via WebLogic), Hibernate, Spring, Drools, Tapestry, Maven, and model-driven architecture (using AndroMDA).
- Also used standard J2EE technologies such as EJB, JMS, and servlets.
- Research AssociateUniversity of Sydney | NICTA2003 - 2005
Technologies: Java, C#, C++, Symbian, J2ME
- Worked on two industry funded research and development projects.
- Involved the development of a Bluetooth/GSM telecommunications hybrid-positioning system (Symbian/C++ and J2ME).
- Worked with heterogeneous middleware for multi-modal input and output (Java, C++).
- Published in seven journal and conference publications.
- Technology Analyst (Intern)Barclays Capital Investment Bank, New York2002 - 2002
Technologies: Visual Basic, Sybase
- Developed applications for managing the corporation’s Sybase database users using Visual Basic; my work increased the application performance by over an order of magnitude.
- Programmer (Part-Time)Genie Internet Consultancy1999 - 2001