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I am a data engineering professional with extensive experience designing and implementing data warehouses, ETL/ELT pipelines and analytics solutions across financial services, telecommunications, and government sectors. I specialize in Snowflake-based architectures, SQL, and BI tooling, delivering scalable data platforms and governance to enable timely insights. I have led cross-functional teams, migrated Oracle DW to Snowflake, and built automated CI/CD processes for data deployments. I thrive on solving complex data problems, mentoring colleagues, and delivering value for customers while upholding data quality and compliance.…I am a data engineering professional with extensive experience designing and implementing data warehouses, ETL/ELT pipelines and analytics solutions across financial services, telecommunications, and government sectors. I specialize in Snowflake-based architectures, SQL, and BI tooling, delivering scalable data platforms and governance to enable timely insights. I have led cross-functional teams, migrated Oracle DW to Snowflake, and built automated CI/CD processes for data deployments. I thrive on solving complex data problems, mentoring colleagues, and delivering value for customers while upholding data quality and compliance.

Daniel P. Barcelon

Data Analyst, Data Scientist, Full Stack Developer, +2

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I am a data engineering professional with extensive experience designing and implementing data warehouses, ETL/ELT pipelines and analytics solutions across financial services, telecommunications, and government sectors. I specialize in Snowflake-based architectures, SQL, and BI tooling, delivering scalable data platforms and governance to enable timely insights. I have led cross-functional teams, migrated Oracle DW to Snowflake, and built automated CI/CD processes for data deployments. I thrive on solving complex data problems, mentoring colleagues, and delivering value for customers while upholding data quality and compliance.…I am a data engineering professional with extensive experience designing and implementing data warehouses, ETL/ELT pipelines and analytics solutions across financial services, telecommunications, and government sectors. I specialize in Snowflake-based architectures, SQL, and BI tooling, delivering scalable data platforms and governance to enable timely insights. I have led cross-functional teams, migrated Oracle DW to Snowflake, and built automated CI/CD processes for data deployments. I thrive on solving complex data problems, mentoring colleagues, and delivering value for customers while upholding data quality and compliance.

Available to hire

I am a data engineering professional with extensive experience designing and implementing data warehouses, ETL/ELT pipelines and analytics solutions across financial services, telecommunications, and government sectors. I specialize in Snowflake-based architectures, SQL, and BI tooling, delivering scalable data platforms and governance to enable timely insights.

I have led cross-functional teams, migrated Oracle DW to Snowflake, and built automated CI/CD processes for data deployments. I thrive on solving complex data problems, mentoring colleagues, and delivering value for customers while upholding data quality and compliance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Contract Data Engineer at NZ Post Limited

April 1, 2025 - April 1, 2025

Analyze and assess existing data models in Oracle Datawarehouse to migrate to Snowflake. Migrate SQL scripts to Snowflake using COALESCE. Document mapping definitions and data model specifications for migration using Confluence. Manage tickets in JIRA. Reformulate SQL scripts to optimize performance. Migrate SSAS Cubes to Power BI datasets. Create hand-over documentation for Data Engineering team to migrate to DBT Cloud. Deploy work using CI/CD methodology.

Data Analytics Engineer at Lotto NZ via FIRN Analytics

January 1, 2025 - January 1, 2025

Analyze and assess existing data models in Azure Databricks. Map existing SQL scripts to the new Azure Databricks server. Migrate Power BI reports to the new server and SQL mappings. Document data model specifications using Confluence. Manage tickets in JIRA. Reformulate SQL scripts to optimize their functioning.

Senior Data Engineer at NZ Post via FIRN Analytics

December 31, 2024 - December 31, 2024

Analytics Engineer at Sky via FIRN Analytics

August 1, 2023 - August 1, 2023

Collaborate with data analysts and engineers to enhance data system functionality. Convert raw data into fact and dimension structures for downstream analysis. Document data model specifications using Confluence. Manage tickets in JIRA. Reformulate existing frameworks to optimize performance. Test structures for usability and quality; stay current with industry standards to improve outputs.

Data Engineer at Heartland Bank Ltd.

February 1, 2023 - February 1, 2023

Build infrastructure for optimal extraction, transformation, and loading of data from diverse sources using SQL and Azure big data technologies. Develop analytics tools to provide insights on customer acquisition, operations, and key business metrics. Identify and implement process improvements, automate manual processes, and design scalable data access for big data.

Business Intelligence Developer at Heartland Bank Ltd.

July 1, 2020 - July 1, 2020

Design and develop Dimension and Fact tables; create and optimize Analysis Services Tabular Models. Develop and optimize SQL scripts; assist users with Excel Pivot-Table reports; perform system maintenance and data analysis; develop Power BI reports.

Reporting Developer at NZX Wealth Technologies

February 1, 2018 - February 1, 2018

Design and create report templates; develop generic report templates; build a data loader for reports; coordinate with business analysts and project managers; validate report outputs; assist users with report creation.

Business Intelligence Developer at Heartland Bank Ltd.

September 1, 2017 - September 1, 2017

Design and develop Dimension and Fact tables; build and optimize Analysis Services Tabular Models; create and optimize SQL scripts; assist users with Excel Pivot reports; perform system maintenance and data analysis; develop Power BI reports.

Notconsult Telematcs Database Engineer at Notconsult Telematcs

November 1, 2016 - November 1, 2016

Develop and maintain database solutions; work with AngularJS, JQuery, Web API, C#, and MS SQL Server to support telematics applications.

Norconsult Telematics System Administrator at Norconsult Telematics

April 1, 2013 - April 1, 2013

System administration for telematics platforms; implement and maintain web services and database systems.

Technical Expert I at Digital Telecommunications Inc

January 1, 2009 - January 1, 2009

Technical expert focusing on C#, Oracle, MS SQL, and IDMP; provide advanced support and development across telecommunication platforms.