kiran

kiran

ETL Developer, IICS
India

About Me

5 years of Experience in IT industry, related to various aspects involving Data integration and Data warehousing techniques, using ETL tools like Informatica Power Center, Informatica Intelligent Cloud Service (IICS), Ha…

Experience

Informatica Developer

capgimin
May 2019 - Present · 7 years 1 month

5 year of Experience in IT industry. related to various aspects involving Data integration and Data warehousing techniques. using ETL tools like informatica power center, informatica Intelligent Cloud Service (IICS), and Snowflake.

ETL Developer, IICS

Capgemini India Pvt Ltd
May 2019 - Present · 7 years 2 months

Involved in preparing High level design document, technical document and Mapping preparation.
Extracted data from Legacy systems and load to a staging database.
Created mapping documents with detailed source to target transformation logic, Source data column information and target data column information.
Designed, Developed and Implemented ETL processes using IICS Data Integration.
Extensively used performance tuning techniques while loading data into Oracle using IICS.
Extensively used cloud transformations – Aggregator, Expression, Filter, Joiner, Lookup, Rank, Router, Sequence Generator, Sorter, Update Strategy, Union Transformations.
Extensively used push down optimization option to optimize processing and use limitless power of Oracle.
Extensively used parameters (Input and IN/OUT parameters), Expression Macros and source partitioning partitions.
Developed complex informatica cloud Taskflows (parallel) with multiple mapping tasks and taskflows.
Automated/Schedule the cloud jobs to run daily with email notifications for any failures.
Implemented SCD Type1, SCD Type2, CDC and Incremental load strategies.
Experience in Snowflake, Data Cloning and Time travel, Data sharing, Access Control.
Experience in multiple aspects of Snowflake, Data Warehouse, ETL and Legacy Modernization.
Experience loading data into Snowflake Table as a part of flat files to Snowflake migration.
Used Snowflake SQL queries to validate the data after loading.
Involved in Development, Unit Testing and UAT phases of project.

ETL Developer,IICS

HSBC, US
Jun 2019 - May 2022 · 2 years 11 months

Extracted source data from, flat files, Oracle and loaded to a relational warehouse.
Created Transformations like Source Qualifier, Aggregator, and Normalizer, Sequence generator, Rank, Joiner, and Update Strategy transformations in Informatica Designer.
Developed Informatica Mappings and Mapplets to load data using various Power Center transformations.
Created transformations starting concurrent batch process in server and performed backup, recovery and tuning of sessions.
Involved in tuning the Mappings for Optimum Performance.
Involved in Optimizing the Performance by eliminating Target, Source, Mapping, and Session bottlenecks.
Establishing and monitoring issue management, change management and quality management processes.
Monitoring the Workflows using Workflow Monitor.
Performed Unit testing.

Skills

Structured Query Language (SQL) UNIX Informatica PowerCenter ETL IICS Informatica Cloud Informatica PowerCenter ETL Data Warehouse Oracle Snowflake PL/SQL Airflow Automic Unix Windows 11 Linux JIRA WinSCP PuTTY Oracle SQL Developer Data Integration Data Modeling SDLC Unit Testing UAT Performance Tuning Pushdown Optimization Partitioning Taskflows SCD Type 1 SCD Type 2 CDC Incremental Load Data Cloning Time Travel Data Sharing Access Control Workflow Monitor Mapplets Source Qualifier Aggregator Normalizer Sequence Generator Rank Joiner Update Strategy Expression Filter Router Sorter Union
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