Reshma Shaik

Overview: Tata Consultancy, New York, USA

• Worked on building a data ingestion tool which can ingest data from various sources like API, Teradata, Files, Kafka using Pyspark programming
• Addressed challenges like updating the structure of existing tables in Azure Datalake/hive according to incoming data for incremental loads, data type conversions and finding the error records for file ingestions, extracting data from complex API’s during the proof of concepts before building the tool
• Increased the performance of ingestions by 20 times faster than existing vendor tool(streamsets) by utilizing multiple cores based on the size of data the pipeline is handling
• Optimized SQL queries for reading the table as partitions to achieve better performance with parallel read
• Solved challenges with data manipulations that must be done on data stored as Parquet and Avro files
• Developed Pyspark and SQL scripts in Azure Databricks to create sales reports specific to each state which will be used by the business for analysis of overall sales and serving customers based on their report history
• Worked on Azure Data pipeline to configure data loads from SAP S4.
• Handled importing of data from various data sources, performed transformations using spark and storing into Hive and S3 buckets
• Scheduled TWS/Airflow jobs to run multiple spark jobs with shell scripts, which independently run with time and availability of resources
• Worked flexible hours across night, weekend, and holiday shifts
• Participated in team projects, demonstrating an ability to work collaboratively and effectively
• Responsible for handling critical issues going on in portfolio
• Consulted regularly with customer on project status, proposals, and technical issues
• Proper knowledge of ITIL framework and Change, Incident management
• Monitoring and supporting the job that are running through ESP/Control-M/Autosys schedulers
• Create weekly report for business meetings.

• Company Overview: NTT DATA Hyderabad, India
• Participating in Software Development Lifecycle (SDLC) right from requirement analysis, documentation (functional specifications, technical design), coding and testing (preparation of test cases along with implementation) to maintenance of applications.
• Handling requests from Onsite SME's (Subject Matter expert) which comes in form of Request Module Project Organizer (RMPO).
• Executing Work requests which involve analysis, coding, testing, implementation, and documentation of rate changes for current effective date with respect to states.
• Issue policies in UAT and other test environments to achieve desired rates for a particular LOB.
• Evaluated and implemented enhancement design solutions to improve cost, quality, and performance of software applications.
• Developed and executed complex system test plans to support quality.
• Collaborated with business lines to understand business requirements and participate in development for SDLC documentation.
• Tested and deployed scalable and highly available software products.
• Collaborated effectively with cross-functional teams to deliver high-quality mainframe software projects on time.
• Conducted comprehensive user training sessions on new mainframe features and functionalities; streamlined adoption process for end users.
• Troubleshot business logic and performance issues in existing mainframe applications.
• Implemented CICS transaction management strategies to optimize performance within high-traffic environments.