Donald Brenner

donald@donaldbrenner.net

or click here to download MS Word version of my resume.

Summary of Qualifications

• Proven leader with deep knowledge in the development of real world software solutions. Innovative problem solver using Java and Web technologies and relational databases. Effective mentor and dedicated teacher to developers overseas and in the USA.
  
• Experienced Technical Trainer of developer and administrator courses on Apache Kafka event streaming platform and SAP Hybris eCommerce platform.
• Professional software developer with more than 25 years experience.
• Master's in Computer Science from Cal Poly in San Luis Obispo, California.
• Accomplished iOS developer.
• Expert in relational database design and implementation.
• Experienced with Java technologies - J2EE, JSP, JDBC, JAXB, JMX, WebStart, Struts framework.
• Experienced with Web technology - HTML, Javascript including jQuery, AJAX, CSS, XML.
• Application servers - WebSphere, Tomcat, GlassFish.
• Version control systems - PVCS, CVS, SVN, Git.
• Operating systems - Windows; Unix - Solaris, Linux; Tandem/HP NonStop.

Professional Experience

Confluent, Mountain View, CA - 2018 to present

Senior Technical Trainer

• Develop and deliver in-depth technical classes for developers and administrators using the Apache Kafka event streaming platform and the Confluent platform including Producer and Consumer APIs, Streams API, ksqlDB, Connect framework and Schema Registry.
• Deliver in person and online classes to developers and administrators internally, onsite at customer locations and in public trainings around the world.
• Course champion for the Confluent Kafka Streams and ksqlDB course.
• Certified Confluent Developer and Administrator for Apache Kafka.

SAP Hybris, Chicago, IL - 2013 to 2018

Senior Technical Trainer

• Develop and deliver in-depth technical classes for developers using SAP Hybris, a leading omni-channel eCommerce platform and framework based on Java and Spring.
• Deliver in person and virtual classes to developers both onsite at customer and partner locations and in public trainings around the world.
• Product owner for 2 technical integration classes - responsible for content design and development as well as delivery. Led content development teams for new release updates.
• Trainer representative to the content team - brought ideas and feedback from trainers in the field into the content development process.
• Certified Hybris Core and Commerce developer.

Owl and Elephant Mobile Design, 2012 to present

Principal

• Responsible for all aspects of technology and development

Laughlin Constable, Milwaukee, WI - 2011 to 2012

Senior Java Developer

• Design and development on new high end web site for national consumer product client.
• Design and development on new administrative program for national consumer product client.
• Troubleshoot web sites of national consumer product clients that typically receive upwards of 60,000 visits daily.

FIS, Milwaukee, WI - 1991 to 2011

Senior Technical Architect - DataNavigator's new web implementation

• J2EE application, built on Struts framework communicating with existing DataNavigator mainframe application. Replaces and enhances the functionality of legacy Delphi fat client.
• Lead a distributed team of Web developers - designing new functionality, setting coding standards, reviewing code, planning/managing releases.
• Product, Support, Professional Services, i.e. both internal and external customers, come to me to lead them straight to the technical solutions/information they need.
• Create security systems to provide confidence in the application by implementing PA-DSS guidelines and following OWASP recommendations.

Consultant/Developer - AVS Monitor and Control application

• Developed a Java Swing User interface program providing real time monitoring and control of newly replatformed AVS core application.
• Developed code in Java, using Visual Age for Java.
• Wrote JMX (Java Management eXtensions) code; documented and created a class for teaching JMX to other developers.
• Wrote JDBC (Java Database Connectivity) code accessing Oracle database.
• Wrote Swing user interface code, then packaged for deployment using WebStart (Sun's implementation of the Java Network Launch Protocol).
• Created Ant scripts for code deployment, including WebStart packaging.
• Deployed code to WebSphere environment.
• Wrote code to interface to SiteMinder for application security.

Architect/Technical Lead - Select Merchant system

• Client-Server credit card acquiring system on Tandem platform. System consisted of a Visual Basic client communicating via RSC to Tandem COBOL Pathway servers accessing a NonStop SQL database. Also included a set of batch programs running within a TACL environment.
• Designed, created client Tandem infrastructure.
• Designed, tuned NonStop SQL database residing on the Tandem platform.
• Mentored American, Chinese and Indian developers over the life cycle of this system. Taught developer classes at our Software Development Center in Chennai, India.
• Created documentation, business and program design, installation, configuration, operations, programming standards, educational materials and sales materials.
• Participated in the creation of PRAs (preliminary requirements assessment), FRDs (Functional Requirements Definition), customer demonstrations, onsite installations and acceptance testing.

Consultant/Developer - SafeDebit project

• Project interfaced NYCE SafeDebit card from Internet merchant sites into existing Connex Advantage Switch application, including a recurring payments warehouse.
• Developed C code on the Tandem platform. Wrote main rules engine, email interface and NonStop SQL access code.

Developer - Connex

• Wrote and maintained TAL code on Tandem platform for high volume, high availability transaction switching application.
• Created multithreaded server in TAL to communicate and route exception management transactions into Automated Network Adjustment Pathway system.

MPACT, Brookfield, WI - 1989 to 1991

Developer - SmartCASE tool designed for manufacturing software systems.

• Integrated SmartCASE with NonStop SQL environment and extended it to define and generate NonStop SQL tables and programs to access those tables.
• Wrote TACL code to control multiple development environments and to create installation scripts.

Impell Pacific, San Luis Obispo, CA - 1986 to 1989

Team Lead - client/server system for Diablo Canyon Nuclear Power Plant Online Work Documents.

• Client program written in C, Tandem server application running under Pathway accessing NonStop SQL database. Server programs and supporting utilities written in TAL and COBOL. Client and server communicated via NetBIOS protocols over Banyan LAN.
• Supervised PC and Tandem mainframe programmers in development of this client/server application. Designed and developed application code on both the client and server side.

United Technologies, Vandenberg Air Force Base, Santa Barbara County, CA - 1984

Programmer - Developed monitor and control programs for hardware systems for west coast Space Shuttle launches.

Education

M.S. Computer Science, California Polytechnic State University, San Luis Obispo, 1985
B.A. History, Pennsylvania State University, 1973
B.S. Education, Pennsylvania State University, 1973

Affiliations

Association for Computing Machinery

Mensa

Interests

Running, cycling, canoeing, travel