John Ray Email & Phone Number

Calgary, Alberta, Canada

Calgary, Alberta, Canada

Calgary, Alberta, Canada

• Part of the digital wallet division for Skrill and Neteller. The products allowcustomers to send money, buy/sell cryptocurrency and transfer money tomerchant sites.
• Led a 6 person team that provided two factor authentication for customer logins aswell as validating customer’s bank account information (via Jumio) prior to withdraws.
• Did Java coding, REST API design, database table design, code reviews andmentoring of junior team members.
• The product back end uses Java microservices, using Spring Boot and REST withsome operations done via Kafka. Front end is written in Angular with data stored in anOracle database.
• Part of an on call rotation to troubleshoot/fix problems after hours.

Calgary, Canada Area

• Provided development and support to numerous systems storing several petabytes of seismic data. Applications are written in Java with JPA and React JS and using Oracle for the database. Deployments are done with.

Calgary, Canada Area

• Developed an automated trading system that does arbitrage between differentBitcoin exchanges and currencies. The application is written in Java and interfaces tomultiple exchanges using each of their REST and/or Web.
• Worked on a game written in Java and JMonkeyEngine. The game allows for thirdparty plugins to be securely run on a client by using Java’s sandbox feature.Additional security is provided by scanning the class byte code.

Calgary, Canada Area

• Developed and supported the Customer Portal and Grain Application web siteswhich are used by customers to order/pickup rail cars, pay bills, etc. The siteshave a total of 16,000 users with a maximum of 1000 concurrent.
• The projects have a mixture of new and legacy technologies including Java,Groovy, Spring Boot, JSFs, jQuery, Ajax, Oracle, Extreme Scale and MQ Series.My responsibilities included design/development, fixing bugs and.
• Was part of an on call rotation and needed to have a broad knowledge of the codeand tools in order to troubleshoot problems.

Calgary, Canada Area

Contracted to create a secure data warehouse for a clinical study at the University of Calgary. The data is stored in a PostgreSQL database on a secure network. I wrote applications to import the data from a variety of data sources including Oracle, flat files and excel spreadsheets. I also created web based reports to view the data. I also worked on a.

Responsible for the development and network operations departments with 12 people reporting to me.Responsible for all architecture and design decisions for new and legacy company systems. These include: - Customer Billing system which handles 30,000 customers. Technologies used are Java, Oracle, Wicket, iBATIS and Tomcat with deployment being on Linux.

Calgary, Canada Area

Created a web based reporting framework to rapidly develop reports for existing health care databases. It can generate reports with standard line, bar and pie charts. It can also create more advanced reports with network graphs and charts generated by the R statistical application. The system is written in Java and uses Apache Wicket for the front end and.

Architect and developer for a client/server application that is used by the ISPs customers to connect to the Internet. - The client was written in Delphi and installed on customer’s computers. It handles dialing into the ISP or establishing a high-speed connection via cable or DSL. The client also has numerous features such as notifying the customer of new.

Calgary, Canada Area

Developed a framework in Java for testing HTTP messages sent between the Pharmaceutical Information Network (PIN) server and clients.Developed a basic pharmaceutical application in Java for sending test messages to the PIN server.Developed the prototype for the GuSERS project, which cataloged and displayed health outbreaks around the world. It was written.

Calgary, Canada Area

Responsible for a wide variety of roles while working on the UWAP (Universal Wireless Access Platform) project. The UWAP platform generates HTML, WML, or VML web pages for both desktop and handheld devices. The platform uses XSLT to translate dynamic data into the correct format. It also utilizes Jaydoh for doing page templates.Developed java code for the.

Calgary, Canada Area

Responsible for the design of the next generation of NTI’s Newsline product that allows newspapers to manage all of their home delivery customers, distribution routes, billing, etc. The system moves away from the existing 2-tier VB application to a 3-tier Java system. Users may access the system via any web browser. The system is written using Java.

Calgary, Canada Area

Coded Java Servlets and Applets for a web based CBT (Computer Based Training) system. The core system uses Java Servlets developed with JBuilder. The system was deployed under Linux using Apache web server and PostgreSQL database.Assisted with class and table design.Created database tables.Tested and deployed releases to Linux.

Calgary, Canada Area

Created detail class and database designs on a system for characterizing Internet content.Responsible for day-to-day scheduling of 8 people.Performed Delphi programming involving COM and database development in Oracle as well as ISAPI DLLs for the web site.Integrated and deployed releases of the system to the production servers.Assisted with writing Oracle.

Calgary, Canada Area

Designed and coded RPT Writer; an application for court reporters written in Delphi.Provided training to new users.

Calgary, Canada Area

Converted a DOS boiler simulator application to Delphi, for use during instrumentation courses.

Calgary, Canada Area

Developed an application written in Delphi for occupational health departments that keeps track of employee-hearing tests.

Vancouver, Canada Area

Wrote Delphi code for a 30-40 user billing and A/R application, to be used by the Puerto Rico Ports Authority.Developed two Visual Basic applications for clients in the marine industry, which record pilot medical examinations and tug waivers.

Vancouver, Canada Area

Created an OS in C++ for a parallel processing accelerator system on the Amiga line of computers. The OS handled program management and communications between processors.Responsible for the supervision of 4 programmers.Ported a 3D graphics package to the accelerator system.