Annie Oo

 

SUMMARY:

·               Experienced Data Architect/Data Scientist specialized in data warehouse (DW) and business intelligence (BI).

·               Technical, results-oriented, and quality-focused.

·               More than 20 years of work experience in the Information Technology arena, with 18 years of Data Warehousing and Business Intelligence experience including Enterprise Data Warehouse (EDW), database schema design, ETL development, data modeling, data mining/mart, requirement gathering and analysis, data visualization, and delivery of fully documented and tested application.

·               1 year of project management and 19 years of technical/project lead experience, supervision of 3 to 6 staff;

·               Solid experience in the software and application development life cycle (SDLC) from user requirement to user acceptance and product released, and agile development of DW and BI projects.

·               Strong knowledge in BI analytics and OLAP tools, as well as conducts training and documentation writing. 

·               Strong Experienced in various RDBMS, i.e. MySQL, Oracle, SQL Server, Informix and Sybase.

 

TECHNICAL

SKILLS:

·               Technology Area:  Business Intelligence, Enterprise Data Warehouse & Data Warehousing, Data Visualization, Data Modeling, Data Mining, OLAP, Project Management, Database Management, Technical and Operational Support, Training, Data Quality and Testing, Web Server deployment (Apache/Tomcat).

·               Operating Systems:  UNIX/Linux, Apple Mac, Microsoft Windows

·               Programming Skills/ETL:  SQL and PL/SQL, NoSQL (MongoDB), UNIX Scripting, Java, XML, Talend ETL

·               Databases:  Oracle, MySQL, SQL Server, Informix, Sybase, DB2, MS-Access

·               Data Modeling Tools:  Microsoft Visio, Erwin Data Modeler, ER/Studio, Toad for MySQL

·               BI/Reporting Tools:  Jaspersoft products (including iReport, Jaspersoft Studio), Business Objects (6.x and XI), Oracle OBIEE, Oracle Discoverer, Cognos (Imprumpto & PowerPlay), Crystal Report, Seagate Info, Brio Query, Informix MetaCube, MS-Access

 

 

EXPERIENCE:

 

02/15 – PresentMiCore Solutions, Reston, VA

Data Architect

Project: Enterprise Data Warehouse (EDW), OBIEE Reporting

Database: Oracle, SQL Server, Progress

·               Data Architect for the EDW project.  Integrated various data source systems (8-10) into an integrated data warehouse. 

·               Designed and created EDW data models using Microsoft Visio. Created data models for various data transformation, from staging to Dimensional Data Model (DDM) and Data Mart for reporting.

·               Created Data Definition Language (DDL) and source-to-target documents for the ETL development team.

·               Created Software Design Document (SDD) for the EDW data models.

·               Worked with OBIEE developer on OBIEE repository layers (presentation layer, business model and mapping layer).

·               Involved in gathered business requirements and data realities; conducted interview and meeting sessions with business Subject Matter Experts (SMEs).

·               Conducted review and playback sessions to stakeholders and SMEs on Data Council and Data Governance meetings.

 

12/14 – 02/15Experis, Washington, DC

Senior BI Consultant

Project: Enterprise Business Intelligence, Jaspersoft Reporting

Database: Mainframe DB2, MS-SQL

·               Assigned to FEPOC in Washington DC to work on an enterprise Business Intelligence (BI) project. 

·               Responsible for designed and developed Jaspersoft reports using Jaspersoft Studio. 

·               Worked closely with project lead, architects and engineers to understand data architecture, data models, requirements, specifications, and solution architecture and to align and trace to the BI design and implementation.

 

 

11/12 – June/14Grab Media (formerly Grab Networks), Herndon, VA

Data Warehouse and Business Intelligence Architect

Project: Data Warehouse, Business Intelligence, Jaspersoft reporting

Database: MySQL, Postgres

·               Redesigned DW and BI architecture to implement into Amazon AWS cloud services. 

·               Worked with Marketing and Finance for reporting enhancement, and billing and payments processes (to partners) with incorporated of revenue sharing calculations. 

·               Provided data insight and Adviser to Marketing and Finance users; analyzed and informed users periodically on data trends, and alert for abnormally data changes

·               Improved Jasper dashboard pages that used by external partners, especially security on data visualization, and data retrieval performance.

·               Provided training to internal users on Jaspersoft standard report navigation as well as creating adhoc reporting (mainly for power users).  Also, created user documentation on Jasper reporting system - User Guide, cheat sheet.

·               Installed and created a new Jasper reporting system for another division in UK.  Created a new data mart for this business area, and new Jasper reports using iReport.

 

09/11 – 11/12TekMasters, LLC, Chantilly, VA

MySQL DBA / Data Architect

Project: Visa Appointment System at CSC, Jaspersoft reporting

Database: MySQL, Oracle

·               Assigned to CSC in Chantilly office to work on the Visa Appointment System project. 

·               Worked as the DBA to manage the MySQL databases. 

·               Taken on the role as Tier III support on resolving issues that reported by internal and external users. 

·               Introduced and installed Jaspersoft products (community version) as the main reporting system for the project.

·               Worked closely with management users on creating standard reports that required by the State Department (the customer), and analytical reports for internal users.

 

08/07 – 09/11Grab Networks, Inc., Dulles, VA

Business Intelligence Architect

Project: Data Warehouse, Jaspersoft reporting

Database: MySQL

·               Worked closely with Sales and Marketing group to provide reporting solution to internal and external partners. 

·               Created web and client/server reporting system using JasperServer and iReport, and created a suite of dashboard pages for external partners. 

·               Created ETL scripts using MySQL to transform data from data warehouse (DW) to data marts. 

·               Designed and created database models for DW, ODS/data store, and data marts. 

·               Evaluate and select the infrastructure components such as software, hardware, and networking capabilities regards to BI; as well as sizing and configurations. 

·               Perform reporting requirement analysis, performance tuning, and reporting development.

Database: MySQL

 

02/05 – 06/07InnovaTech, Inc., Arlington, VA

Senior Analyst

Project: Patent and Trademark's Enterprise Data Warehouse, Business Object reporting

Database: Oracle

·               Software data quality lead of the Patent and Trademark Office’s Enterprise Data Warehouse project.

·               Responsibilities include performed data quality checks on all revised and new development before release into production system, performed data integrity includes completeness, validity and accuracy from various data sources, and investigating any raised data discrepancies. 

·               Task Lead for the OLAP support and reporting modification and development (from 02/2005 to 02/2006). 

·               Responsibility includes performed day-to-day users support and software operations.

·               Worked on interactive dashboard visualization accessed on the customer’s intraweb.

 

07/01 – 01/05General Dynamics, Fairfax, VA

Principal Engineer

Project: Navy Business Information Management System, Oracle Discoverer reporting

Database: Oracle

·               A team member of Navy Business Information Management System, a financial reporting data warehouse project, and responsible for the project’s OLAP development. 

·               Performed reporting requirement analysis and developed front-end reports using the Oracle Discoverer; as well as performing performance analysis and tuning for front-end reporting. 

·               Liaison with users on data reconciliation between existing reports from source system and BIMS reports. 

·               Developing BIMS documentation, i.e. Report Technical Document, Test Plan, Data Dictionary, training and presentation or demo material. 

·               Conduct training – User Training and Power User Training. 

 

04/98 – 04/00DHL Asia Pacific Information Systems, MALAYSIA

Project Manager04/99 – 04/00

Senior Systems Analyst04/98 – 03/99

Project: Regional Data Warehouse, Crystal reporting

Database: Informix, Oracle

·               Project Lead for the regional Data Warehousing project that has 3-4 billion records per month. 

·               Gathered business and users requirement and produced the “Requirement Statement” document for commercial and management approval. 

·               Upon approval, the project will be kick-off and subsequently the document was reviewed by the key users and development team. 

·               Project Manager for the Data Mining or Data Mart for decision support systems; analyzed and extract atomic data (lowest level of data) from the data warehouse database into Data Marts and accessible by DSS applications. 

·               DSS applications were developed using Informix MetaCube, Crystal Reports, Seagate Info for web-based reporting and MS-Access. 

·               Developed full stream of documentation – from user’s requirement analysis and design document to user acceptance test plan. 

·               Strong experience in data reconciliation and data integrity processes. 

·               Experience in Client-Server applications.

 

08/95 – 03/98DiGi Telecommunication, MALAYSIA

Assistant IT Manager03/96 – 03/98

Senior Systems Analyst08/95 – 02/96

Project: Billing and Customer Care System

Database: Informix, Oracle

·               Section head of the ‘Application Support and Implementation’ group that responsible for maintaining and oversee the smooth operation of the Billing and Customer Care System, as well as users support and reporting requirement. 

·               Section head of the ‘Inter-Carrier Settlement’ group that responsible for the inter-operators billing. 

 

·               Worked with users on developing various operation procedures, i.e. operation fault escalation, marketing change request procedure, and application support procedure. 

·               Provided assistance and conduct training for users. 

·               Liaison person with vendors for any software customization as well as the fault escalation.

 

08/93 – 07/95BASS Consulting, MALAYSIA

Systems Analyst04/94 – 07/95

Analyst Programmer08/93 – 03/94

Project: Stock Market Trading and Financial System

Database: Informix

·               Project Leader, implemented company products at various customer sites that was developed using Informix and runs on UNIX platform.

·               Involved in pre-sales and post sales activities. 

·               Pre-sales activities were product demo to potential customers; conduct feasibility study and functional requirement from customers. 

·               Post-sales activities involved handled change requests from customers, error handling and escalation. 

·               Performed database and application performance tuning (Informix Online) upon product implementation. 

·               Conduct user acceptance and trial run exercises; as well as training to users.

 

11/90 – 07/93Software Alliance, MALAYSIA

Senior Programmer02/93 – 07/93

Programmer03/91 – 01/93

Trainee Programmer11/90 – 02/91

Project: various turn-key projects

Database: Informix, Sybase

 

·               Seconded to IBM Malaysia for the duration of 1.5 years; and attended six months intensive training on IBM products especially on UNIX platform. 

·               Assigned to various customer sites for application development.

 

 

EDUCATION:

·               B.Sc. in Computer Science, Kennedy Western University, USA

·               Diploma in Computer Studies, ICL Training Services, England

·               International Diploma in Computer Studies, NCC The National Centre for Information Technology, United Kingdom

 

 

CERTIFICATIONS:

·            Data Science Specialization, a 9-course specialization by Johns Hopkins University

·            The Data Scientist’s Toolbox Certification, by Johns Hopkins University

·            R Programming Certification, by Johns Hopkins University

·            Getting and Cleaning Data Certification, by Johns Hopkins University

·            Exploratory Data Analysis Certification, by Johns Hopkins University

·            Reproducible Research Certification, by Johns Hopkins University

·            Statistical Inference Certification, by Johns Hopkins University

·            Regression Models Certification, by Johns Hopkins University

·            Practical Machine Learning Certification, by Johns Hopkins University

·            Developing Data Products Certification, by Johns Hopkins University

·            Data Science Capstone, a specialization project by Johns Hopkins University

·            MongoDB for Developers Certification, by MongoDB University

 

 

TRAINING:

·               AWS Essentials Training

·               Jaspersoft Technical Training

·               MySQL Administration Training

·               Project Management – Estimating, Planning & Control Techniques

·               Project Management – Developing Interpersonal Skills

·               Effective Leadership, Motivation and Dynamic Team Building Skills

·               An Introduction to Data Warehousing

·               Data Warehousing Using the MetaCube ROLAP

·               Seagate Crystal Reports Design 7.0 Advance

·               Managing and Optimizing Informix Database

·               Informix Online System Administration

·               Informix Basic and Advance Programming Skills

·               Develop Applications with Oracle Forms v4

·               Develop Applications with PL/SQL v2

·               IBM RISC/6000 UNIX Operating System

·               IBM RISC/6000 System Administration

·               ‘C’ and Advance ‘C’ Programming Skills