David Callaghan Email & Phone Number

Resident Solution Architect @ Koantek

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David Callaghan Location

Ocala, FL, US

David Callaghan Work

Resident Solution Architect @ (October 2026 - Present)
Senior Solutions Architect @ (January 2026 - September 2026)
Senior Solutions Architect @ (June 2017 - September 2026)
Senior Solutions Architect @ (January 2025 - December 2025)
Senior Solutions Architect @ (January 2024 - December 2024)
Senior Solutions Architect @ (July 2023 - December 2023)
Senior Solutions Architect @ (January 2023 - June 2023)
Senior Solutions Architect @ (July 2022 - December 2022)
Solutions Architect @ (January 2022 - June 2022)
Solutions Architect @ (January 2021 - December 2021)
Solutions Architect @ (January 2020 - December 2020)
Solution Architect @ (January 2019 - December 2019)
Senior Technical Lead @ (July 2018 - December 2018)
Senior Technical Lead @ (January 2018 - June 2018)
Technical Lead @ (June 2017 - December 2017)
Hadoop and Spark Developer @ (February 2016 - May 2017)
Bringing Big Data and Blockchain to the Cloud @ Sparks Ignite, Inc. (May 2015 - May 2016)
Big Data Developer @ (July 2014 - May 2015)
Big Data Developer @ (February 2014 - July 2014)
Architect and Senior Java Developer @ (March 2007 - March 2013)
Senior Java Developer @ New York Board of Trade (June 2005 - January 2007)
Senior C# Developer @ Li & Fung USA (June 2003 - May 2005)
Senior Test Analyst @ (October 2002 - April 2003)
Senior PHP Developer @ The Chiva Group (March 2001 - September 2002)
Senior Java and PHP Developer @ (May 2000 - February 2001)
VB Developer @ (May 1999 - April 2000)
Delphi Developer @ (April 1998 - May 1999)
VB Developer @ Severson & Werson (May 1998 - April 1999)
VB Developer @ Corporate Property Investors (March 1997 - March 1998)
VB Developer @ (January 1997 - March 1997)
Software Tester @ (May 1996 - December 1996)
VB and COBOL Developer @ (February 1995 - March 1996)
FoxPro Developer @ Broker Resource Center (July 1992 - December 1994)

David Callaghan Education

Indiana University of Pennsylvania

David Callaghan Skills

Scala in Spark
Apache Spark
PySpark
Scala
Databricks
Snowflake
Big Data
Hadoop
HBase
Apache Pig
Yarn
Flume
Falcon
Java
Apache Storm
Apache Kafka
MongoDB
Oracle
SOA
Web Services
Integration
Business Intelligence
XML
Unix
JavaScript
Solution Architecture
SQL
Java Enterprise Edition
Maven
Databases
MySQL
JMS
Spring Framework
Android
JSF
Spring
C#
R
Software Development
Cassandra
blockchain
Hyperledger
NoSQL
Hive
AI Governance
Agentic AI Development
Amazon Web Services (AWS)
California Consumer Privacy Act (CCPA)
Data Architecture
Data Classification
Data Governance
Data Lineage
Data Privacy
Databricks Apps
Databricks Genie AI
Databricks Lakebase
Delta Lake
Delta Sharing
EU AI Act Article 4
Financial Services
Fraud Detection
General Data Protection Regulation (GDPR)
Healthcare Information Technology (HIT)
Insurance
Lakehouse Architecture
Large Language Model Operations (LLMOps)
Large Language Models (LLM)
Master Data Management
Microsoft Azure
Model Serving
Pennylane
Policy as Code
Python (Programming Language)
Regulated Industry
Retrieval-Augmented Generation (RAG)
U.S. Health Insurance Portability and Accountability Act (HIPAA)
Unity Catalog
Business Analysis
Microsoft SQL Server
Agile Methodologies
Intrusion Detection
Leadership
Technology
Support
Management
Strategy

David Callaghan Summary

David Callaghan, based in Ocala, FL, US, is currently a Resident Solution Architect at Koantek. David Callaghan brings experience from previous roles at Perficient. David Callaghan holds a Indiana University of Pennsylvania. With a robust skill set that includes Scala in Spark, Apache Spark, PySpark, Scala, Databricks and more. David Callaghan has 1 emails and 2 mobile phone numbers on RocketReach.