Etl Technical Lead. Resume
SUMMARY
- Over 12 years of IT experience in the Design, Analysis, Development, Modeling, Implementation and testing of various applications, Decision Support Systems & Data Warehousing applications and Over 7 years of solid experience in Extraction, Transformation and Loading (ETL) mechanism using Talend, Datastage and Informatica and more than 5 years of experience in data modeling and AWS Redshift, TERADATA. Expert in full life cycle development for building a data warehouse and datamart including 3 years of onshore experience worked with customer in USA and Australia, have worked extensively in AGILE methodology.
- Self - motivated person with strong debugging, problem solving, and analytical skills.
- Good experience on ETL tool like - Talend, Datastage, Informatica
- Worked extensively with AWS Redshift, TERADATA, AWS REDSHIFT and Cassandra - good experience on creating Datamart, FACTS and DIMENSIONS for reporting use.
- Have good experience on creating Semantic layer design.
- Good experience on preparing High level design document like SRS, HLD, IDDD, SIDIA.
- Have good experience in preparing Scope document impact (IA)
- Good experience on tool Erwin 7.3 for DATA MODELLING and DESIGN (LDM/PDM),
- Strong knowledge in Dimensional modeling like Star Schema and Snowflake Schema.
- Very good experience on Mapping document preparation for ETL input for development
- Extensively worked with SVN (Subversion tool.)
- Worked on RDBMS like Sybase, Oracle.
- Worked on OS like Windows, UNIX platforms.
- I have around over 5 years of experience on TELECOM domain, Capital and good knowledge on Banking Applications.
- Having good problem solving skills and leadership qualities, handling the team by resolving their issues and concerns which they raised during implementation, testing and deployment.
- Having direct interact with the business to perform in decision making and requirement analysis
- Worked extensively with the AGILE methodology where need to perform different kind of roles and areas for discovery, analysis, design implementation and testing
- Worked on cost and effort estimation for the new scope where we need to access actual for the business requirements.
- Good knowledge in Ataccama data quality tool for data profiling and data analysis using DQC and DQ Dashboard.
- Having good experience with Control-M, Appworx and TIDAL scheduling tool
- Good knowledge on Alteryx analytics for data preparation and analytics process
TECHNICAL SKILL SET
Development Tools: ETL tools like Talend, Datastage and Informatica.
Big data capabilities: Spark, FiloDB, Cassandra, Hadoop.
No SQL Tools: Cassandra.
Data Management Tools: Teradata, AWS Redshift, AWS S3, Oracle, Sybase.
Data Modelling Tools: Erwin 6.5
DQ Tools: Ataccama
PROFESSIONAL EXPERIENCE
Confidential
ETL Technical lead.
Responsibilities:
- Prepared Technical Design documents for the various gaps identified during the Fit-Gap phase.
- Analyze the source data, do impact analysis, see how the data would fit into the data model designed and how it would help in feeding the reports
- Provide data flow diagram for multiple source systems for understanding the data lineage.
- Do the impact analysis based on the requirements and existing source data
- Perform ETL design activities, creating high level design for ETL implementation
- Having daily interaction with the customer and offshore team to implement the requirements using Talend ETL.
- Clarify the concerns raised from development team as ETL Lead.
- Perform code review, impact analysis, involving in problem solving,
- Optimizing the code, optimizing source query to take less time, test case review, suggestion to include important test cases particular to particular ETL logic
- Mentor the offshore team members by providing assistance with the functional environment/Technical aspects
- Understand the Redshift architecture dat includes S3, FACT, DIM data load and Unload data back to S3 from target tables
- Automate the metadata driving mechanism thorough Talend ETL
- Capture the audit log for each flows from source to target
- Implement the restart ability process from where it failure by using Talend
Environment: Talend 9.6.2, AWS Redshift, Tableau reporting.
Confidential
ETL Lead.
Responsibilities:
- Analyze the source data, do impact analysis, see how the data would fit into the data model designed and how it would help in feeding the reports
- Provide data flow diagram for multiple source systems for understanding the data lineage.
- Do the impact analysis based on the requirements and existing source data
- Perform ETL design activities, creating high level design for ETL implementation
- Having daily interaction with the customer and offshore team to implement the requirements using Talend ETL.
- Clarify the concerns raised from development team as modeler.
- Perform code review, impact analysis, involving in problem solving
- Optimizing the code, optimizing source query to take less time, test case review, suggestion to include important test cases particular to particular ETL logic
- Mentor the offshore team members by providing assistance with the functional environment/Technical aspects.
Environment: Talend 9.6.1, Cassandra, Spark, FiloDB, Sybase.
Confidential .
Technical Specialist
Responsibilities:
- Perform ETL design activities, creating high level design for ETL implementation
- Having daily interaction with the Onsite co-coordinator and offshore team to implement the requirements
- Perform code review, impact analysis, involving in problem solving,
- Come up with ETL requirements based on existing ETL CODE developed based on Bankware Rate Driver ETL
- Come up with analysis documents based on comparison between existing ETL and TOBE ETL
- Creation of ETL Detailed Design documents, Mapping Specification, Data Flow Diagram documents
- Created Teradata BTEQ scripts
- Optimizing the code, optimizing source query to take less time, test case review, suggestion to include important test cases particular to particular ETL logic
- Analyze the source data, do impact analysis, see how the data would fit into the data model designed and how it would help in feeding the reports
- Mentor the offshore team members by providing assistance with the functional environment/Technical aspects
- Also performed PDO based optimizations on the ETL Code
- TEMPEffectively utilized various TPT connection operator connections for resolving the performance bottleneck issues
- Performed detail analysis for existing SPS Fleet and come up with design for TO BE approach.
Environment: Talend 9.6.1, Teradata V13, UNIX.
Confidential
Technical Consultant
Responsibilities:
- Perform ETL design activities, creating high level design for ETL implementation
- Having daily interaction with the Onsite co-coordinator and offshore team to implement the requirements
- Perform code review, impact analysis, involving in problem solving,
- Come up with analysis documents based on comparison between existing ETL
- Creation of ETL Detailed Design documents, Mapping Specification, Data Flow Diagram documents
- Created Teradata BTEQ scripts
- Optimizing the code, optimizing source query to take less time, test case review, suggestion to include important test cases particular to particular ETL logic
- Analyze the source data, do impact analysis, see how the data would fit into the data model designed and how it would help in feeding the reports
- Mentor the team members by providing assistance with the functional environment/Technical aspects
Environment: Talend, Teradata V2R5, Erwin 7.3.
Confidential .
Solution Designer
Responsibilities:
- Performing Semantic layer design
- Developing facts and dimensions
- Identifying source data to map them into target
- Designing activities like creating LDM and PDM
- Creating Mapping document which input for development activities for the developer
- Clarify the concerns raised from development/production/testing team as modeler
Environment: Datastage 7.5, Teradata V2R5, Erwin 7.3
Confidential .
ETL Developer
Responsibilities:
- Developing the DataStage Parallel jobs to populate source data to staging tables.
- Source File Validation and Extraction.
- Exception and Rejection Handling
- Developing the jobs extensively on different stages like Mload and Transformer stages.
- Handling the rejected data.
- Creating and executing the unit test cases.
- Involved in QA/Test and Production Support.
- Perform performance tuning for Bteq queries
Environment: Datastage 7.5, Teradata V2R5Signet banking Corp.
ETL Developer
Confidential
Responsibilities:
- Participate in technical fit/gap workshops.
- Source File Validation and Extraction.
- Understand the requirement and design provided by modelling team and implement the ETL job using Datastage
- Perform sort, aggregation, lookups and transformation to process the data from source to target
- ETL specification document preparation
- Exception and Rejection Handling.
- Design and various transformations are implemented through designer.
- Incremental Loading.
Environment: Datastage 7.5, Oracle 9i, UNIX.