David Callaghan Email & Phone Number

St Louis, MO 63141, MO, US

Pfizer: Created Databricks Accelerator to meet international pharmaceutical trial data privacy regulations. Implemented GenAI solution using ChatGPT-licensed product on internal safety data to augment adverse event reporting process. FNBO: Architected CCRA compliance initiative by developing custom privacy preserving algorithms BCBSMI: Migrated Cloudera to.

Charlotte, NC, US

Responsible for developing and implementing an Instrumentation as a Service platform processing 10K records per second from 1K applications using 30+ analytic models. Business partners are able to send logging and other asset monitoring data to the system in json as a file, through a web service or directly to Kafka. This data is processed through our.

Charlotte, NC, US

• Responsible for developing and implementing Big Data solutions. Current projects include:Orphans In The DesertCluster sufferers of distinct rare diseases into groups large enough and with a sufficiently well-defined.
• Educational element include articles and training material, including video, is stored in MongoDB and searchable using Lucene/Solr. Document analysis is done in MapReduce with Hive.Business Layer DSLs developed in.
• Store Call Detail (xDRs and CDRs), network and customer data using Flume into Cassandra and provide Business Intelligence using MapReduce and custom and Mahoot-based algorithms for fraud detection (subscription and.
• Business Intelligence reporting using Tableau, querying available through Hive

Mint Hill, NC, US

Responsible for helping companies successfully implement and realize measurable value from their Big Data, Fast Data and NoSQL implementations.

San Francisco, California, US

• Responsible for developing and implementing Big Data solutions.
• Built Regulatory Compliance engine using Kafka, Storm, Drools and Hive to analyze MS Exchange emails. Developed analytic algorithms in R and Mahout as well as text analytic tools using Lucene and Pig.
• Built Flume to HBase workflow for Lending Grid to increase their storage capacity and provided Phoenix to integrate into existing Apache Camel applications.
• Developed solutions for new regulatory reporting requirements for Treasury Analytics using Hbase, Hive and SAS.
• Introduced standards and practices at the development (TDD) and operations (Continuous Deploy) level.

Charlotte, NC, US

• Responsible for developing applications in Java using Hadoop, Hive and Hbase to support the Intrusion Detection Team.
• Built secure Java platform on JAAS for Kerberos authentication and authorization at the job level for MapReduce applications
• Implemented bi-directional integration of Hive, HBase and Giraph
• Developer native Java wrapper to implement existing R algorithms in Map Reduce
• Introduced standards and practices at the development (TDD) and operations (Continuous Deploy) level

Charlotte, North Carolina, US

• Senior Java Developer/Architect responsible for evaluating/implementing enterprise-wide technology initiatives including Big Data (Hadoop, HBase and Cassandra), Enterprise Application Integration (Spring Integration).
• Architected Initial phase of Smart Grid implementation targeting 1.5M smart meters using Oracle Meter Data Management 2.0
• Developed Java app using Spring Integration to integrate Oracle MDM 2.0 w/ proprietary customer billing solution.
• Prototyped Hadoop map-reduce algorithms and Hive for precalculating data before MDM import.Smart Energy
• Developed a Java framework for multiple ongoing prototypes of new and experimental clean energy technologies including electric vehicles and smart meters.
• Prototyped Cassandra solution for producing social graph from smart meter data (smartenergycharlotte.com/how-are-we-doing)Pole Inspection

US

• Developed Market Surveillance applications in Java as well as an electronic trading platform NYBOT needed to move from open outcry floor trading, which it used exclusively since 1870, to an electronic platform as a.
• Developed Struts/Hibernate web application front end for external trading partners and Swing desktop application for floor traders.
• Developed the model objects that represented standard commodity contracts as well as esoteric derivative instruments like crack spreads.
• Developed secure account creation and management and secure transaction management including auditing and nonrepudiation components.Compliance Applications
• Developed market, position and financial surveillance desktop apps in Swing.

• C# and BizTalk developer responsible for developing international logistics management system as well as developing a business process integration system between New York, Istanbul and Hong Kong offices with a nine.
• Developed a logistics management system in C# to handle the movement and storage of goods from the point of origin, typically southeast Asia, to major market retailers.
• Developed a business process integration system using BizTalk and Sterling Gentran to integrate EDI transmissions with the logistics management system.
• Developed supply chain management intelligence system using Cognos’ OLAP and BI. Won 2005 Wired 40 Award

Nashua, New Hampshire, US

• I worked for Thomson/NetG (now Skillsoft) putting together a unified testing system for compliance with international security, privacy and accessibility regulations.
• Created a unified system of software testing protocols using TestDirector, Mercury Load Runner and RequisitePro to measure compliance in these areas:o accessibility testing procedures for Section 508 (US), Web Content.

Owner and CTO marketing my own web-based platform for the Spanish-language call-center management of satellite services and managed a five member PHP team in Bogota, Colombia.

Round Rock, Texas, US

• Lead developer of 15-member team to build first international trade finance auction site.
• Developed a secure, internationalized web-based auction site using PHP.
• Developed the back end processes to accurately manage negotiable paper such as bills of exchange, promissory notes and other securities for trade in Java using Oracle.
• Developed the secure exchange with Deutsche Bank using Java web service.
• Assisted Deutsche bank in implementing the receiving web services. Won Global Finance's Best Trade Finance Software (2001)

Florham Park, New Jersey, US

• Develop SmartSite Builder, a 5GL domain specific language sold as a commercial programming language for OLAP
• SmartSITE Builder is essentially a 5GL domain specific language. Visual Basic was used to create the IDE for the 5GL interface while Java was used to create the domain specific language, which was essentially an.

Fair Oaks, California, US

Contracted to develop front end for commercial CheckMe! expert system for HVAC efficiency.

San Francisco, CA, US

Automated creation of legal documents related to replevin and bordereau-creation.

IT Manager w/ 6 employees reporting directly to CIO tasked with creating new hardware and software infrastructure for property management of 30+ malls.

Paris, FR

Contracted by international banking division to fix VB, Sybase content management system.

Bloomfield, CT, US

Managed testing in Integration Lab during migration of one million PCs from OS/2 to WinNT

US

Responsible for full lifecycle of migration from AS/400 to client/server environment.

Built financial analysis tools for General American Life Insurance agents using FoxPro and Access