Andrew Hong
Verified Expert in Engineering
Data Warehouse Developer
Austin, TX, United States
Toptal member since October 27, 2021
Andrew is a seasoned data architect and data engineering leader and developer with 20 years of experience providing consultative and technical leadership focused on requirement gathering, solution architecture design, data warehouse, data integration, data modeling, and analysis, ETL, data strategy and roadmaps, data quality, data management, and big data platforms in AWS and Azure Cloud. He is a well-recognized expert in the enterprise data management field who presented in over 10 conferences.
Portfolio
Experience
- SQL - 15 years
- Data Warehousing - 15 years
- ETL - 15 years
- Oracle - 8 years
- SAP HANA - 7 years
- Pentaho - 6 years
- Snowflake - 3 years
Availability
Preferred Environment
SAP HANA, Pentaho, SQL Server BI, ETL, Data Warehousing, Amazon Web Services (AWS), Python, Snowflake, Azure, Python 3
The most amazing...
...thing I've achieved is presenting over 10 sessions on data warehouse, business intelligence, and SAP HANA at SAP conferences.
Work Experience
Principal Data Scientist
Peak Consulting Group
- Led the design and development of data science and data analytics solutions on Microsoft Azure and AWS cloud.
- Designed and developed ELT data pipelines for high-performance data feed into Data Lake and SQL databases.
- Designed and developed back-end REST API functions using Python on Azure and AWS cloud.
VP of Data Analytics
LeanDNA
- Managed the data team in designing and building AWS-based data analytics solutions to drive customer value. Led the data strategy and vision, innovation, data analytics solution design, and SAP/ERP integration. Drove solutions for key customers.
- Spearheaded the development of the LeanDNA Connect data integration product that is reusable and capable of integrating with common ERP, including SAP and SAP HANA.
- Led the data science and analytics in the areas such as inventory prediction model using ML in AWS SageMaker, algorithms in optimizing order policy for every part, action-based intelligence, and demand forecasting using Prophet with seasonality.
- Oversaw solution deployment for key customers in pilot programs and drove the business results in inventory reduction/shortage management that led to an expansion from pilot to the enterprise.
Senior Principal
Infosys
- Oversaw selling, delivering, and growing services capabilities in BI, including SAP HANA in-memory analytics and big data solutions. Led the SAP HANA and big data COE and also led large-scale BI/SAP HANA and big data engagements with key clients.
- Managed the SAP S/4 HANA and BW HANA migration for a large chemical manufacturer.
- Led the SAP data management engagement for a leading pharmaceutical company.
- Spearheaded the sales and delivery of SAP HANA and enterprise data warehouse roadmap for a large oil and natural gas company.
- Led the sales and delivery SAP HANA implementation for real-time inventory analytics for a $20 billion global oilfield services company.
- Led the big data solution architecture design for a media entertainment client to enable customer churn analysis and targeted ads. The solution involves customer data lake, EDW, data marts, data visualization and analysis, and machine learning.
Associate Partner
IBM
- Responsibilities include selling and developing new business, expanding existing services, managing client relationships at executive/senior management levels, growing SAP Business Analytics service offerings, and leading client engagements.
- Managed the largest Information management implementation workstream of over $15 million a year for IBM’s multi-year global SAP program.
- Led the SAP BI and MDM strategy project for a global consumer appliances company.
- Managed SAP BI program for Lenovo’s Global SAP implementation and deployment.
- Served as BI strategy lead for a global Fortune 100 automotive and heavy equipment manufacturer.
- Acted as SAP BI strategy lead for a global SAP consolidation and reporting (SEM-BCS) project. The client was a global consumer product company based in the UK.
- Served as SAP BI strategy advisor for a BI strategy project at a global steel manufacturer based in Brazil.
Experience
Principal Software Engineer
Data Architect
I led the design and development of a data model, data pipelines, API (Python), and C# front-end.
LeanDNA Supply Chain Analytics for Manufacturing Companies
http://www.leandna.comLed the development of the LeanDNA Connect data integration product that is reusable and capable of integrating with common ERP, including SAP and SAP HANA. The toolset used includes Pentaho Data Integration, RDB in AWS Cloud Platform, AWS SageMaker, Python, MySQL, Snowflake, SQLite, and Looker (Embedded Analytics).
Led the product lifecycle, data science, and data analytics in the following areas:
• LeanDNA inventory prediction model using ML and data analytics using AWS services.
• LeanDNA algorithms in optimizing order policy for every part.
• Action-based intelligence.
• Executive dashboard in visualizing the inventory reduction opportunities and actions.
• Demand forecasting model using time series with seasonality.
• Led solution deployment for key customers in pilot programs and drove the business results in inventory reduction.
Big Data Solution for Media Entertainment Client
Master Data Management for a Pharma Client
Looker Embedded Analytics for LeanDNA Cloud-based Supply Chain Analytics
• Designed the overall cloud solution architecture using Looker as embedded analytics inside LeanDNA cloud-based application.
• Used Looker ML for creating data modeling, views, and Looker ML dashboards.
• Designed and built the data models using Looker ML with the back end of SQL database and Snowflake.
• Designed and built supply chain dashboards using Looker ML dashboard for key supply chain metrics such as supplier on-time delivery and quality, providing capabilities to drill down into lower-level dashboards and detail reports.
• Performed super user training to use Looker for ad-hoc analysis to address business questions.
Insurance Company Modern Data Platform
Data Architecture and Visualization for Fleet Management Software
Data Science and Data Analytics Program for Insurance Client
• Experience Rating tool for actuaries to evaluate historical losses, premium, development, and insight into insurance premiums.
• Intelligent email form recognition system in gaining the insight from emails and insurance claim forms to understand the policy information, claim type, nature of loss, and other key information.
Architected the solution platform using Microsoft Azure, including REST API, data lake, ELT, and front-end.
Data Engineer
Education
Master's Degree in Electrical and Computer Engineering
University of Illinois at Urbana-Champaign - Urbana, IL
Certifications
IBM Ascendant Project Management Methodology
IBM
Certified SAP Project Manager
SAP
Skills
Libraries/APIs
Pandas
Tools
SQL Server BI, Amazon SageMaker, IBM InfoSphere (DataStage), Tableau, Microsoft Power BI, Looker
Languages
SQL, T-SQL (Transact-SQL), Python, Snowflake, Python 3, Looker Modeling Language (LookML)
Paradigms
ETL, Business Intelligence (BI), Database Design, Agile Project Management
Platforms
SAP HANA, Pentaho, Oracle, Amazon Web Services (AWS), Alteryx, Databricks, Google Cloud Platform (GCP), Azure, Kubernetes, Docker, AWS Lambda
Storage
MySQL, Databases, Microsoft SQL Server, Database Architecture, Data Pipelines, SAP S/4HANA Cloud, PostgreSQL
Frameworks
Hadoop, Apache Spark, Spark
Other
SAP, Data Warehousing, SAP BW on HANA, Data Engineering, Data Science, Data Architecture, Data Profiling, Data Cleansing, Data Queries, SAP BusinessObjects (BO), Machine Learning, Data Quality, Reverse Engineering, SAP FICO, MDM, ServiceNow, Data Build Tool (dbt), Azure Data Lake, Analytics, Logistics
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring