Data Analyst / Database Analyst Resume
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San Jose, CA
SUMMARY
- Strong knowledge of database technology both relational (Oracle, Mysql) and non - relational (Hadoop).
- Design and implement Database using Mysql and Oracle.
- Proficient in writing complicated SQL queries.
- Programming using VBA, Java, Python
- Advanced Excel user.
- Analytical thinker that consistently resolves ongoing issues
- Progressing from problem statement to well-documented designs.
- Meeting new technical challenges and finding solutions to meet the needs.
- Utilizing computers to improve office efficiency.
- Fluent in both English and Chinese.
TECHNICAL SKILLS
Platforms: UNIX, Linux, Windows98/NT/2000/XP/7/8/.
Programming Languages: JAVA, SQL, PYTHON, VBA, HTML
Applications: Microsoft Word, Excel, Access; TOAD, DB Visualizer
PROFESSIONAL EXPERIENCE
Confidential, San Jose, CA
Data Analyst / Database Analyst
Responsibilities:
- Design and implement Mysql database to facilitate the business operations such as usage analysis, billing, demand planning, and inventory control.
- Develop applications / scripts in VBA, Python, Java to extract data from various sources such as CSV file, excel sheets, text file, other databases, and various webpages.
- Generate loading scripts using VBA and Python to upload the data into database,
- Develop various applications and scripts to automate business processes such as bills generation and mass emails sending.
- Backend database support for Tableau dashboard
- Ad-hoc report generation and automation.
Confidential, Sunnyvale, CA
Measurement Science QA Analyst / Data Analyst
Responsibilities:
- Create SQL script to generate weekly panelist usage report for internet domains in various countries.
- Conduct data accuracy analysis to ensure data integrity while migrate data across multiple databases.
- Design and develop QA process to validate weekly internet domain traffic reports, Identify the root cause of discrepancy.
- Develop excel macro to automate the QA process.
Confidential
Production Support Data Analyst
Responsibilities:
- Analyze customer’s portfolio data and orders data using Sql and Excel for detecting data anomalies and inconsistencies.
- Identify and resolve data conflict, streaming errors, latency issues between two datacenters.
- Generate system health check reports, site traffic and order status reports. Provide key performance indicator reports to higher management.
- Resolve system failure issues and client-raised incidents; investigate online order failure and payment issues.
- Conduct system automation test using QTP and coordinate with software development teams for resolving code issues.
- Communicate with India offshore team for shift handover.
Confidential, Milpitas, CA
Production QA Analyst / Database Analyst
Responsibilities:
- Developed SQL scripts to conduct logical checks on weekly/monthly internet audience measurement data, maintain and ensure data integrity and quality.
- Collecting data from Oracle and Netezza database using Business Object, Dbvisualizer, SQLNavigator to develop analysis reports.
- Performed historical trending analysis of key performance indicators (KPI) using SQL, Excel, and VBA scripting.
- Utilized clickstream analysis to identify anomalies and communicated data variances and associated analysis/solutions to product management, engineering and upper executive management.
- Performed data quality analysis of multiple Nielsen Online products including NetView and MegaView Syndicate Search and Retail reports.
- Participated in QA Tool functional testing and user acceptance testing for software enhancements.
Confidential
Data Analyst / Database Analyst
Responsibilities:
- Collected raw data from company databases and developed analysis repors using TOAD and EXCEL.
- Developed SQL scripts to monitor the validity of data in the data warehouse, fixed, and updated systems accordingly.
- Maintained and added features to a customized data reporting system written in VBA
- Performed online marketing using Google Adwords and web analytics using Omniture SiteCatalyst
- Worked closely with business users and product managers to determine how data collected could help solve their problems.
- Collaborated with the data infrastructure team to translate business requirements into technical specifications
Confidential
Consultant / Data Analyst / QA
Responsibilities:
- Designed and implemented Excel macro using visual Basic to automate some time consuming tasks such as duplicate data detection and data lookup in multiple files.
- Modified and ran SQL scripts in Benthic tool to pull desired data from Oracle Database and generate a report.
- Provided client with customer data by relating customer data from multiple internal and external source systems into a central, consolidated company-wide customer database.
- Conducted root cause analysis to solve data conflict between Customer Registry (CR) Database and Partner Database (PDB).
- Cleaned up Cisco Top500, VIP, and Golden/Silver Partners records by merging duplicate business entities as well as fixing wrong mappings in CR and in PDB.
- Researched D&B (Dun & Bradstreet) database and reported company hierarchy issues.
