• Contributed to company wide, multi-year business transformation which double the growth rate while driving down operational costs
• Tasked with finding innovative solutions to adapt a 25-year-old, mission control application to a more cloud native architecture at GCP
• Ensured business SLAs are honored by implementing solutions to improve batch processing speeds by 10x
• Realized time savings equivalent to two full time developers by improving developer test environment performance by 50x
• Implemented innovative Angular frontend using Jupyter APIs to integrate Jupyter Lab capabilities with operational data views
• Fixed numerous arcane memory management bugs in very large legacy C++ code base
• Worked with team to migrate from Oracle to Cloud SQL PostgreSQL
• Reduced labor by implementing resource management tools to automate operational support tasks
• Improved release efficiency by implementing process similar to Git Flow

• Built custom Jenkins pipeline to support 75+ internal applications running on top of Kubernetes
• Saved $400k annually by replacing Docker Compose with a simple Makefile/Dockerfile solution
• Worked with SRE team to establish common AWS based service platform Kubernetes, Jenkins, Prometheus and Grafana

• Documented architectural patterns approved consistent with corporate Enterprise Architecture standards
• Coached engineering teams on application of architectural patterns to API development
• Educated engineers on Kafka-based EDA to support high volume systems

• Defined API based partner integration strategy for leading hospitality client
• Migrated SQL Server instances to RDS as part of full AWS cloud migration
• Migrated SQL Server instances as part of full Azure cloud migration
• Tuned numerous TSQL stored procedures to improve performance up to 80x
• Implemented industry changing real time analytics solution for optimizing out of home market advertising
  • Enabled client to improve key analytic functions from months to seconds on a 6-month project
  • Produced 54 new APIs backed by Snowflake and Aurora to search, analyze and manage inventory
• Created online gamified financial education app
  • Built and led team of 5-8 engineers
  • Built initial prototype
  • Designed architecture based on AWS (Cognito, DynamoDB, S3, CloudFront) with a ReactJS frontend
• Provided technology strategy and solution delivery for leading logistics company
  • Designed and implemented enterprise API and microservices strategy
  • Leveraged architecture to enable two ERP migrations within 1 year
  • Completely overhauled customer portal to create a smooth, self-service experience for customers
  • Led technology team between 2-10 engineers while maintaining an active role in software implementation
  • Key contributor in effort to migrate from fully on prem to fully Azure hosted within 18 months
  • Implemented fully automated CI/CD pipelines for all microservices, API gateway, UI components and static assets
  • Used Azure Functions to host Spring Boot applications
  • Leveraged OData to integrate proprietary APIs with Dynamics 365
• Created hybrid Cloud Migration Strategy for large gold mining operation

• Led creation of architecture and design for key partner integrations
  • Created partner integration architecture
  • Led effort to apply architecture to integration with leading car rental partner
  • Led effort to apply architecture to integration with leading online ebook retailer
  • Led effort to apply architecture to integration with leading restaurant reservation partner
  • Enabled immediate revenue uplift and ability to integrate with future strategic partners
• Leading contributor to defining API Management Strategy
  • Leading contributor to definition and articulation of API Management vision
  • Leading contributor to vendor evaluation and selection effort (selected Apigee)
  • Led creation of corporate RESTful services strategy
  • Led efforts to publish new and existing SOA components on the API gateway
  • Leveraged API Management strategy to support Responsive Web implementation
• Optimized ESB deployment footprint to reduce costs by $500k+ per year
• Worked with team to construct real time analytic system based on EDA leveraging Kafka and Hadoop

• Contributed to the establishment of a corporate enterprise architecture review process
• Applied TOGAF to corporate EA discipline as part of cross team collaboration
• Leading contributor in effort to replace 50-year-old reservation system
  • Leading contributor defining technology vision
  • Leading contributor to creation of migration strategy which leveraged SOA and other integration strategies
  • Built team of 50+ individuals to implement SOA based migration strategy
• Played a leading role in strategic migration of legacy reservation system
  • Led migration of key supporting components
  • Optimized infrastructure footprint rsulting in $2.5M+ cost savings
• Created corporate Distributed Cache Strategy
  • Defined and articulated objectives
  • Led vendor evaluation and selection (selected Pivotal GemFire)
  • Led strategy implementation
• Leading contributor to redefined hosting strategy
  • Defined IaaS/Paas/SaaS strategy
  • Led migration of middleware assets
  • Optimized architecture for new environment

• Created corporate ESB Strategy
  • Defined and articulated objectives
  • Led vendor evaluation and selection (selected RedHat JBoss Fuse ESB)
  • Led strategy implementation
• Led efforts to stabilize key revenue impacting components resulting in improved system reliability
• Technical lead on initiative to create a Secure Payment Solution
  • Helped to define future state vision for corporate and property tokenization and payment processing
  • Designed solution to realize the vision
  • Evaluated vendor offerings
  • Led internal efforts to implement the solution

• Leading developer on world class hospitality Loyalty platform.
• Established rigorous development process to maintain code quality with mixed on shore/off shore team.
• Built virtualized development lab based on KVM.
• Installed and maintained almost all development infrastructure components for high profile internal project, including:
  • Hudson build server
  • git SCM
  • Mingle workflow
  • Artifactory
  • WebSphere MQ
  • Oracle EE
  • yum repository
  • Terracotta
• Responsible for packaging and release management of 11 applications using maven.
• Directed development of junior and senior resources both on shore and off shore.
• Upgraded application security to meet PCI compliance.
• Integrated nuBridges database pack into two applications.
• Designed and implemented custom parser for many legacy data formats.
• Implemented XSLT inside Fuse ESB to support SOA versioning.
• Designed and implemented continuous performance monitoring.
• Contributed heavily to development of key application running inside equinox.
• Optimized key web service using Terracotta's distributed cache.

• Fixed several critical performance issues.
• Added custom features per project for HPF customers.
• Installed and managed Hudson continuous integration build server and created automated release process.
• Converted StarTeam SCM repo to git.
• Designed and implemented license key management system using grails.

• Rewrote our client/server networking layer to use the SSH2 protocol for encryption and authentication. Submitted several patches to the jaramiko project as I fixed bugs in that library.
• Ported system from MySQL to PostgreSQL for the purpose of implementing referential integrity and using ACID RDBMS features.
• Enhanced our embedded OS platform to support our middleware components which made our deployment both easier and more flexible.
• Implemented C to Java messaging subsystem based on XML using XBinder and JAXB.
• Implemented user based Network Access Control functionality for our IPS product.
• Implemented Spring Remoting using embedded Jetty web container for as the basis for future client/server (Java-to-Java) interactions.
• Strong advocate for agile development, particularly TDD. Used JMock extensively to improve testability.
• Installed and managed Continuum continuous integration server.
• Implemented PXE based ESX installation process that automated almost all manufacturing steps for our middleware platform.

• One of two engineers that architected and developed the Global Customs Gateway service which enables electronic customs reporting for airlines.
• Customized Middlegen to support Spring-based DAO and service layers.
• Customized Middlegen to support full database round tripping, significantly improving development response to database schema modifications.
• Used Middlegen, Hibernate and Spring as the underpinning for the DAO layer.
• Implemented Struts-based UI inside JBossAS.
• Used Jencks JCA container to implement message driven POJOs for WebSphere MQ integration.
• Created XML schemas for document exchange protocol.
• Used JAXB to manipulate XML documents.
• Managed continuous integration build using Luntbuild.
• Managed defect tracking using Bugzilla.
• Used the Eclipse IDE.

• Implemented global resource scheduler for SMTP-based fax service for major network service provider.
• Used Oracle ADF to implement database access layer.
• Implemented fax service from scratch to production in two months with no known bugs at release.
• Implemented network communications using IMAP via the JavaMail API.
• Implemented XML-based communications protocol using JAXB.
• Embedded Tomcat web container to provide SOAP-based thread control inside a stand-alone Java application.
• Used the Oracle JDeveloper IDE.
• Designed and developed migration path from ADF to Hibernate in order to promote rapid development and code maintainability.
• Moved IDE development from JDeveloper to Eclipse.

• Senior member of development team responsible for producing neuSecure, an enterprise-level network security management product written primarily using Java and C++.
• Sole developer of the UCM (Universal Collection Module) and XML Conduit which were both stand-alone, multithreaded Java applications.
• Designed and implemented a staged event-driven architecture (SEDA) in Java as a foundation for the next generation of our product.
• Designed and imlemented a generic Java-based communications framework and routing mechanism at the application level.
• Implemented SSL/TLS communications framework in Java to provide a secure data collections channel using OpenSSL and pureTLS.
• Implemented System V message queue framework in C++ for interprocess communication bringing about a 15-fold increase in local communications speed.
• Implemented an HTTP/S communications client for Cisco IDS 4.x devices using the Cisco RDEP protocol. Also implemented the normalization logic, using Xerces to parse the XML.
• Implemented an HTTP/S bridge to support remote JDBC connectivity.
• Developed a JMS bridge using JNI to allow cross-language message passing between Java and C++.
• Redesigned key components of the system to make extensive use of threads in order to increase performance and promote scalability.
• Implemented a thread-safe JNI link that allows perl to be called from Java.
• Implemented a remote process control mechanism allowing granular start/stop capabilities via a JSP client.

• Senior member of research and development team responsible for creating the next generation of core functionality for our predictive software applications. The new version is completely written in C++ to run on Windows (MSVC) and Unix.
• Designed and developed a sophisticated calculation engine in C++ for manipulating multidimensional arrays as part of a team effort.
  • Designed and developed a custom function and procedure mechanism. This allows C++ developers to add functionality almost trivially to the calculation engine and to do this dynamically through shared libraries.
  • Implemented various spreading and aggregration algorithms that manipulated data across mappings, particularly with respect to time series data.
• Designed and developed a flexible database caching mechanism in C++ to minimize disk access. This brought a 20-fold increase in speed to key areas of the system.
• Designed and developed multithreaded (pthreads) session management server in C++ using TCP/IP sockets.
• Made significant contributions to our C++ portability library, including classes to manipulate FIFOs, files, processes, threads, command-line arguments, and dates. This layer allowed us to support Windows and three flavors of Unix on two separate compilers fairly seamlessly.
• Rewrote build system to take advantage of gmake's parallelization. I reduced the number of Makefiles by about 60%, simplified the process for maintaining and adding Makefiles, and reduced the total build time by a factor of 4.
• Made extensive use of STL including maps and multimaps, sets and multisets, vectors and lists.
• Used quantify to identify code segments that needed to be refactored to reduce CPU consumption.
• Used purify to identify and fix memory leaks.
• Ported multidimensional database system to Linux (written in C).
• Used Extreme Programming model (XP) to develop software in iterative cycles.

• Managed projects as a technical lead supervising up to three developers.
• Designed and lead development of a content management system written in Java. This subsystem was a crucial component of the redesigned enterprise product as our company shifted focus.
  • Used JDBC to communicate to an Oracle backend.
  • Used XML to communicate between business objects and database objects.
  • Deployed subsystem through J2EE servlet/jsp architecture.
  • Developed JUnit regression tests.
  • Used Javadoc to provide internal documentation.
• Designed and lead development of a content management system written in C++.
• Designed and lead development of a distributed file system written in Perl for the distributed network product. This system allows users to have access to common content in a distributed environment. This file system scales to over 100 million files without performance degradation. The virtual file system structure resides in a database.
• Lead team of developers to optimize enterprise Perl system resulting in a 50% reduction in the system's memory consumption.
• Performed substantial database and code tuning using explain plan and Optimizeit.
• Developed a Java slideshow applet and servlet pair for use in our enterprise product.
• Developed a system in Perl to retrieve email from web-based hosts (i.e. Hotmail) and forward it via SMTP over TCP/IP sockets.
• Used Extreme Programming model (XP) to develop software in iterative cycles.

• Worked on porting enterprise, Oracle-based MES written in C from Solaris to Linux.
• Developed a means for and wrote a white paper on executing atomic procedures using a voluntary locking mechanism. This procedure is similar to thread synchronization except that it is designed to work for multiple processes on multiple servers.
• Mentored junior-level analysts on development and debugging techniques.
• Developed a logic parsing system in Perl to aid debugging.
• Developed several custom enhancements including new transactions as well as modifications.
• Developed a debugging proxy in C using TCP/IP sockets.
• Performed on-site installations.
• Reduced the number of outstanding support issues for a major customer by 75% and successfully minimized MES downtime, saving the company millions of dollars.
• Debugged protocol-related problems at the socket communications level.
• Enacted performance testing/tuning in a lab environment for the port to Tru64.
• Supported SFDM 3 on SCO and SFDM 4 on Solaris and UX.
• Managed customer relationship for two Fortune 100 clients and was responsible for maintenance development and enhancements.
• Available for 24-hour support for 2 clients via pager.

• Full life-cycle responsibility for all projects.
• Managed projects as a technical lead supervising up to four developers.
• Implemented database-driven applications using MS SQL Server, Interbase, and Access.
• Developed client apps in VB, MSVC, Java, and Access.
• Developed server-side utilities in C/C++.
• Designed and implemented a database replication system written in C++ for Interbase on Linux which utilized the Borland Interbase C libraries.
• Designed and implemented a data collection and gate control system using C++.
• Designed and implemented credit card authorization software that uses the MAPP protocol. Written as a C library and used in a Delphi application by a major travel company.
• Designed and implemented a customer database for a small CLEC used to track contact information, payment history, and to generate bills and disconnection reports.
• Designed and implemented a benefits tracking database for a medium-sized consulting firm.
• Designed and lead development of a daily feedback system that tracks employee performance, vacation, sick time, etc. Used by a major telecommunications company to make performance-related decisions.
• Designed and lead development of a campaign contribution tracking database for a gubernatorial campaign. The application tracked contributions and commitments and was used for disclosure reports.
• Designed and developed a Perl-based mail-forwarding system using the POP3 and SMTP protocols over TCP/IP sockets.
• Installed and maintained Linux email/database/file servers for internal use as well as for two clients.

• Focused on ensuring zero down time for Fortune 500 companies in mission-critical financial services and logistics implementations.
• Used my knowledge of C to locate problem areas and submit patches to the engineering group.
• Assisted customers with configuration and administration related issues.
• Developed a responsibility expectation agreement between professional services and customer support related to our transaction-processing software.
• Developed introductory and troubleshooting documentation for the transaction-processing software.
• Developed a Perl script to export information from our original call-tracking database so that it could be imported into the new customer-support system.
• Supported customers on VOS, AIX, and FTX.

Notable skills

• Enterprise Architecture, Technical Architecture, Solution Architecture, Business Architecture
• AWS, Azure, Google Cloud Platform
• Java (J2EE, OSGi, Fuse ESB, Terracotta, Servlets, JSP, JDBC, JNI, JAXB, Eclipse, SOAP, Middlegen, Hibernate, Struts, Spring, JDeveloper, ADF, SEDA, JForms)
• Kafka, WebSphere MQ, ActiveMQ, Oracle AQ, JBossMQ
• JBossAS, Tomcat, Jetty, Spring Boot
• Groovy, Grails
• JavaScript, TypeScript, AngularJS, ReactJS
• C, C++, Python, Perl (procedural and object-oriented)
• Relational database development (Oracle, MySQL, PostgreSQL, Aurora, SQL Server)
• No-SQL database development (MongoDB, DynamoDB, Cosmos)
• Multidimensional database development (Acumate)
• Linux/Unix development (AIX, Solaris, UX)
• Linux system administration (Fedora, RHEL, Debian, SuSE, KVM / QEMU, VMWare ESX, Xen, WebSphere MQ, Mingle, Artifactory, git, Hudson)
• Bash/Korn shell scripting
• JSON, XML / XSLT (Xerces, JAXB, Saxon, XBinder)