Sr Database Developer Resume
SUMMARY:
- Expert in SQL Server Database Design, Architecture, Optimization & Maintenance.
- More than 14 yr experience in SQL Data Processing, Transformation and Loading (ETL).
- Engineered ETL systems to load vendor data up to 10 million records daily.
- Delivered ETL systems that in 500% more productive than the common solutions.
- Top knowledge and experience in Transact SQL, SSIS, SSRS, SSAS, OLAP.
EXPERIENCE:
SR Database DeveloperConfidential, New York, NY
Environment: SQL Server 2008/2012, Transact SQL, ETL, SSIS, SSRS, C#, DBA.
Responsibilities:
- Analyzed and designed a Data Warehouse for the Confidential payment processing.
- Developed fully automated processing for the various Client Data Imports, data Unloading and Data Distribution for the large - scale database systems using execution of SQL Server jobs, SSIS packages, Stored procedures, triggers, queries, various ETL processing, etc.
- All SSIS business processes were designed and implemented with a 100 % automation.
- Designed conceptual, logical and physical data modeling to create new data architecture as well as enhanced existing ones.
- Developed the distribution solutions to update 400 client databases on multiple SQL servers in real time.
- The distribution solutions were based on the SSIS packages system.
- The SSIS synchronization process increased the productivity of business updates by 500%.
- Created SSIS packages for the imports of Routing, Debit Bin, Zip Code data. The SSIS packages updated data for 350 databases on the twelve SQL servers with a 100% reliability.
- Developed the Network traffic data collection system using the SSIS and C# application.
- Collaborated with the business owners to ensure systems' performance and integrity.
- Diagnosed and identified the database related issues, then developed the corrective actions.
- Extensive experience in troubleshooting and solving complex technical problems.
- Communicated goals and thoughts in a clear and efficient manner.
- Performed Data mapping, data migration and data conversions, relational data modeling.
- Developed the optimization for SQL databases, queries, tables, views, indexes and carried out testing and quality assurance for the efficiency and the productivity.
- Designed System Process Flows, Data Models and User provisioning policy documents.
- Experienced in Agile development, abled to develop according to the approved schedule.
- Developed SQL Server database system for the pharmaceutical Data Warehouse.
- Designed Data Import Project as a complex SSIS application system to import The Third-Party Physician data into the Noven Pharmaceuticals SQL server production database.
- SSIS system performs the Transfer data to company file server. Unzip data files, rename excel worksheets and validate, Transform and load import data to SQL Server Database.
- Created an Audit system to trace all database changes with complete reporting statistics.
- Created Business Statistical Reports for the imported data.
- Hands-on performance tuning for tables, triggers, indexes, SSIS, SSRS, user reports.
Confidential, New York, NY
Environment: SQL Server 2005/2008, Transact SQL, ETL, VB.net, DBA, SSIS, SSRS, Oracle11
Responsibilities:
- Analyzed, designed, implemented and supported a large Data Warehouses for Confidential .
- Completely automated Public Transportation Auto Reimbursement System (PTAR). Developed new unified system instead of multiple disconnected applications. Automation helped to increase system productivity by 200%.
- Analyzed and understood the application discrepancies then developed the error free process.
- Designed multi layer validation to achieve 100% Data Quality, Consistency and Integrity.
- Built a supervision system to report defective import. in real time.
- Because of the fast user response, the Data Import stream was increased by 30%.
- Designed automatic control system to support the following application functionalities: a. enforcement for business rules and restrictions. b. ability to restart a process from any point of failure. c. monitoring the errors and immediate process status information. d. sending and distribution the business data statistical reports.
- Control system increased throughput by 25 % and removed a daily IT stress.
- Designed WeCare System in heterogeneous technology environment for multi-site delivery.
- Identified application risk areas and implemented preventative bulletproof measures.
- Performed analysis, data evaluation and data mining in a data warehouse.
- Alleviated bottlenecks in terms of data, size, query and analytics latency.
- Designed SSRS analytical and statistical reports to identify and track business issues.
Environment: SQL Server 2005/ 2008, Transact SQL, ETL, VB.net, DBA, SSIS, SSRS
Database consultant
Confidential, New York, NY
Responsibilities:
- Designed, analyzed, integrated and modified a large Daily Tracking System (DTS).
- Developed and integrated DTS system using Business Intelligence technologies.
- Implemented effective mapping of multiple sources to centralized SQL target system.
- Developed system with a full validation, cleansing, editing, transformation and auditingThe project was done on the aggressive schedule.
- Designed sophisticated SSIS solutions by combining and transforming multiple data sources.
- Designed SSIS System to reload Production data into the Test database on the Daily basis.
- Developed SSRS Data warehousing, analytics and reporting.
- Designed a special methodic to transfer un-indexed files and holding a given row order.
- Build new features and capabilities for the Training Daily Tracking System.
Environment: SQL Server 2005/ 2008, Transact SQL, VB.net, DBA, ETL, SSIS, SSAS, SSRS
SR Database DeveloperConfidential, New York, NY
Responsibilities:
- Developed, maintained and tuned a Data Warehouse for insurance/reinsurance data.
- Performed extensive data modeling and analysis of database relationship and attributes.
- Designed the table-driven business rules to validate the client incoming data.
- This functionality improved data quality and reliability and resolved business problems.
- Analyzed Data Warehouse Processing using database tracking logs, traces and SQL Profiler.
- Performed analysis to find resource consuming programs and the system bottlenecks.
- Redesigned, Optimized and Tuned the queries to improve system performance up to 200%.
- Developed the stored procedures to calculate premiums, commissions and various fees.
- Designed business analysis and management statistical reports using SSRS utility.
- Designed highly productive ETL SSIS System to load the various data to SQL database.
- Developed and implemented the Data Migration from the old system to a new system.
Environment: SQL Server 2005/ 2008, Transact SQL, DBA, ETL, SSIS, SSAS, SSRSMDX, OLAP, VBScript, Crystal Reports, Access, Websphere Portal
SR Database DeveloperConfidential, New York, NY
Responsibilities:
- Researched and Analyzed multi-department financial data and then using Business Intelligence methods modeled the business process to the SQL server relational database.
- Designed Data Upload SSIS System to load the various data files to SQL databases.
- Created Data Extract SSIS System to download data from SQL databases to various systems.
- Designed multichannel SSIS packages with a speed balancing element for all DB Constrains.
- All SSIS packages were completely automated and executed on the schedule basis.
- Designed Budget Data Warehouse using Dimensional modeling, OLAP, SSAS, SSIS, SSRS.
- The Budget Data Warehouse provided the Data Quality and data analysis.
- Designed a full data Audit and Report system for all existing databases. This solution helped to solve many production difficulties and security problems.
Environment: SQL Server 2000/2005, Transact SQL, DTS/SSIS, ETL, DBA, ErwinVB.net, C#, ASP.net, HTML, JavaScript, VBScript, VSS,