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Senior Datastage Developer Resume


  • 7+ Years of experience in Data warehouse, ETL processing and data analysis in Retail market research and Telecom domain for TCS both at onshore and offshore at various capacities.
  • Extensive experience in using IBM datastage and use the same for implementing various data warehouse concepts.
  • Very good knowledge in Netezza hardware, concepts and designing of SQLs making use of appropriate query tuning methodologies.
  • Working experience with big data technologies like Sqoop, Hive, Impala and Pig as well as python scripting.
  • Experience in UNIX shell scripting and involved in implementation of the file manipulation logics and invoking of Netezza commands, SQL commands and datastage commands from UNIX.
  • Led multiple support, BAU, migration and enhancement projects
  • Strong problem solving skills and analytical skills and have handled many production Sev - 1 tickets/lower environment issues.
  • Quick learner of new technology and processes and great training skills.
  • Working experience in Agile working model and DevOps
  • Have very good knowledge of Software Development Cycle Lifecycle (SDLC).


ETL Tools: IBM InfoSphere DataStage 8.5, Datastage 11.5

Programming Languages: UNIX Shell Scripting, NZSQL, SQL, PL/SQL, Python

Database: Netezza, Oracle, Hive, Pig, Impala, Teradata

Version Manager Tools: Tortoise SVN, ADLM Bit bucket

Tools: Atlassian tools, Aginity Workbench, PL/ SQL Developer, Query Analyser,Datastage, Putty, Sqoop, Hue

Domain Knowledge: Retail market research, Telecom

Operating System: Linux 5.x



Senior Datastage Developer


  • Datastage migration from datastage 8.1 to datastage 11.5 for multiple modules
  • Datastage projects migration from Oracle to Postgres database.
  • Datastage to Talend migration POC.
  • Identified scratch disk space utilization and suggested process improvement to clean up the scratch disk files
  • Propose and implement cleanup of intermediate datasets used in the project and save disk space.
  • Convert transformer stage to copy, filter or modify as and when applicable.
  • Attended Talend workshop conducted by Talend business team on the benefits of the product
  • SQL queries tuning to reduce the full table scan scenarios and improve performance.
  • Reduce the number of database connections by writing multiple SQLs into a file and execute at one shot.
  • Reduce dependencies in the process to enable prod support to run numerous processes ahead of time.
  • Chunking and parallelism of database operations by spawning multiple threads.
  • Enhance processes to track multiple configurable threads and introduce auditing wherever possible
  • Provide performance improvement proposals and implement the same.
  • Data migration from Netezza to Hadoop using sqoop commands
  • Reduce manual touch points in the application and integrating them into TIBCO orchestration
  • Automating the process/jobs using TIBCO.
  • Retire legacy code and onboard all clients to core platform
  • Work on POCs to migrate to freeware and cost effective tools and Hadoop open source platforms.
  • Move most database operations to UNIX file level operations to reduce connection times.

Datastage Developer



  • Design,Analysis,Development and Implementation of datastage code.
  • Requirement Analysis and preparing low level design documents based on high level design documents.
  • Involving in estimation preparation
  • Preparation of Unit Test Cases and Perform Unit Testing and support activities
  • Performance tracking and improve the quality of the code by working with Performance engineering team.
  • Provide KT documents and sessions and prepare deployment checklist with comprehensive list of activities/dependencies and track each activity of the deployment at a granular level.
  • Work on POCs to migrate to freeware and cost effective tools and Hadoop open source platforms.
  • Build connected Buy platform with data from various countries and process it using big data tools like Hive, Pig and Sqoop
  • Write Python scripts to replace unix shell scripts and enable easy code maintenance.

Business Analyst/Tech lead



  • Understand the business requirements and convert the same into technical requirements.
  • Gather the business requirement of the client from the onshore business analyst team and convert them into configurable components in the common shared path
  • Providing solutions that reduce the redundancy in the manual work involved in configurations.
  • Prepare modelling document for purpose of security enablement at user group level
  • Maintain the integrity of configurations across environments.

Tech Lead



  • Execute the process end to end -- from backend refresh to front end enablement
  • Prepare the comprehensive standup document with the list of all tasks to be performed
  • Work closely with development team in ASM environment to understand the execution process
  • Onshore offshore coordination
  • Provide KT to operations team on the end to process flow and prepare handoff documents
  • Analyze the issues that are faced during standup, find root cause and redirect to the appropriate team.

Production Support Analyst



  • Maintain the day to day activities in the application and cater to the requests from the partners
  • Participation in weekly and monthly status reporting to discuss and fine tune the work in progress activities
  • Writing queries for extraction of data for high-end business users for taking important business decisions
  • Ensuring synchronization of data between upstream and downstream systems and swiftly take necessary actions in case the systems are out of sync.
  • Communicating planned and unplanned downtimes to business users and downstream systems

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