thebellman

A software engineer and technology leader with over 30 years experience in a broad range of industries, with a very broad skill set. A passion for creating robust, high performance software, with a desire to create the right solution first time, every time. A particular interest in the problems involved in extracting knowledge from large volumes of data, and in building complex, high availability, high performance services.

Contact

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Expertise

Roles

Managing Partner / Principal Engineer,
Chrysalis Analytics,
November 2017 -

Co-founder of Chrysalis Analytics, a member of the Leap Beyond group, with responsibilities for management and direction, a as well as general continuing roles through Leap Beyond providing principal consultancy to our clients in the fields of digital transformation, data engineering, architecture, and security.

Senior Data Engineer,
Think Big Analytics,
January 2017 — November 2017

Data and engineering consultancy in banking, health care, telecommuncations and insurance.

Senior Software Engineer,
Camelot Global,
October 2015 — November 2016

Software engineering, system design and delivery design for high transaction rate, high security service providing on-line gaming.

Technical Design Authority,
Lithient,
February 2012 — October 2015

Design and implementation of internet-scale data collection and analytics in the mobile advertising space, building out the Lithient product for Somo

Software Engineer,
Transaction Network Services,
May 2010 — November 2011

High transaction, highly sensitive transaction processing in the card-not-present payment industry, with a responsibility for rapid defect and security risk rectification and overall product pipelines.

Software Engineer,
Salmat/HPA,
2003 — May 2010

High availability, large volume data processing systems related to bulk processing of business data, ranging from production of bulk print materials to scanning and OCR of documents on an industrial scale. Included the prototyping the first versions of the online assessment software for the NAPLAN initiative.

Database Administrator / Programmer,
Queensland Police Service (QPS),
1998 - 2003

Very large scale data conversion and cleansing activities, in addition to general database administration and design, for highly sensitive personal information in a security-focused environment.

Database Administrator / Programmer,
Qld Department of Natural Resources,
1995 — 1998

Database design and analysis against very large Ingres installations (IVAS, IVASe and LGIP projects). Creation of tools and procedures for performing maintenance, analysis and data conversion/cleansing against those large data sets

Senior Analyst/Programmer,
Database Administrator,
Pine Rivers Shire Council,
1989 — 1995

Responsible for design, implementation and maintenance of a broad range of local government administration and financial systems, initially using MUMPS, but in later years working in C and Ingres ABF. Responsible for creating and promoting standards and processes for the use of Ingres within the organisation.

Programmer / Technical Support,
Shannon Robertson Systems,
1988 — 1989

Development and support of MS-DOS based small business systems and support systems for the agricultural industry, including debtors/creditors systems, feedlot management products, and stock breeding/stock book programs designed to integrate with the ABRI Breedplan project.

Secondary School Teacher,
Mathematics and Science, Qld Department of Education,
1987 — 1987

Teaching mathematics and science at a junior high school level in a remote outback town. I maintain a professional interest in educational and didactic techniques, policies and trends.

Technical Experiences

Languages
Java, Go, Groovy, SQL, Unix Shell scripting, C, C++, Basic, Pig, Javascript, MUMPS, Pascal, Fortran, Ingres ABF
Cloud
AWS, Azure, Wasabi, OpenShift
Tools
Docker, Kubernetes, Terraform, Ansible, Vagrant, IntelliJ, Netbeans, Eclipse, JBuilder, Xcode, Gradle, Spock, Maven, Ant
Methodologies
Agile, Scrum, TDD, BDD, Kanban, Waterfall, OOD
Version Control
Git, Subversion, CodeCommit, Visual SourceSafe
Frameworks
Hadoop, Spark, AWS EC2 and EMR, Spring, J2EE, JSF, Struts, Hibernate, EclipseLink, AWS SWF using Flow
Web
Apache, HTML/XHTML, CSS, JSP, XML, JSON, XSLT, XML Schema, XSL, Servlets, Web Services
Application Servers
Tomcat, JBoss, Glassfish, Jetty, Orion
Operating Systems
Linux (RHEL, Ubuntu, BSD, Debian), CentOS, MacOS, Windows, MS-DOS, HP-UX, Solaris, Xenix
Databases
DynamoDB, Cassandra, Oracle, Postgres, MySql, SqlServer, Ingres, AWS RDS, xBase
Distributed
Java sockets (TCP, UDP), HTTP, JMS, SOAP, REST, JAX-WS, Axis

Education

References

Available on request, or visit my profile on LinkedIn.