Abhishek S

• Designed and implemented scalable microservices using Java and Spring Boot, ensuring high performance and maintainability of backend systems
• Developed RESTful APIs to facilitate seamless data exchange between frontend applications and backend services, adhering to industry best practices
• Optimized complex queries and implemented efficient data retrieval mechanisms from Elasticsearch, improving response times and system performance
• Collaborated with UI team/PM to define and implement business logic and data filtering requirements, ensuring alignment between frontend needs and backend capabilities
• - Assumed interim Technical Product Manager responsibilities for 6 months:

- Collaborated with Product Managers to translate requirements into user stories

- Managed feature development and backlog prioritization in Rally

- Facilitated scrum meetings and agile ceremonies

- Bridged communication between development teams and stakeholders

• - Led a team of 4 in streamlining operations through task automation and report generation
• Implemented automation solutions for manual processes, enhancing operational efficiency and minimizing error rates
• Led and managed the Operations team in executing comprehensive monitoring and operational tasks
• Developed scripts for new data feeds and collaborated with DevOps to establish SFTP/API connections for seamless data consumption
• Spearheaded the development and automation of reports, monitoring systems, and data quality assurance processes

Company Overview: Worked as a Data Engineer with GE transportation, a Wabtec Company

• Mainly responsible for data ingestion and consumption using complex reconciliation logics and calculations from heterogeneous sources for reporting in web portal
• Responsibilities include:
• Analysis of EDI files to ingest them into stage and consume all the way into data model to be projected on the end BI product created by the product team
• Planning Talend DI as well as ESB mappings for conversion of EDIs to Json and also perform incremental load into stage and end data model
• Correcting and working on data quality of source files using Python scripting for bad or rejected files so that meaningful data could be extracted from same
• Performance tuning and refurbishing of the existing data consumption process for rectification of reporting issues
• Communicating with the business users/ client technical specialists to get a clear view of the impacts and providing technical solutions accordingly
• Monitoring and reporting using python
• Tools and technologies exposure include Talend Data Fabric, PostgreSQL, AWS S3, AWS EC2, Python scripting and Unix scripting
• Worked as a Data Engineer with GE transportation, a Wabtec Company

Project 1: Consolidated finance data from multiple warehouses into a unified Hadoop repository, leveraging HDFS, Hive, and Spark for improved data management and analytics capabilities.

Project 2: Provided L3 production support for Microsoft's internal applications, managing time entry, utilization, payments, and product subscriptions for employees and customers.

• Writing Sqoop commands to fetch data from source database
• Prepare DDLs for loading data from Flat Files
• Creating HIVE table to load data into it and analysis over it
• Put flat files in local server using WinSCP
• Involved in writing Sqoop command to ingest data from RDBMS database like MSSQL into Hadoop
• Worked in data ingestion of transactional data into HDFS using Sqoop
• Worked in data ingestion from SQL server using Spark.
• Developed and maintained backend components using .NET Core and C#, contributing to the enhancement of Microsoft's internal time entry and product purchasing applications.
• · Worked with Azure DBs, monitoring and debugging the issues related to App insights,.Managing cloud services, web apps, traffic managers in Azure.
• Process User requests that come in the form of tickets through ITSM, ICM and Service Now tools.
• · Support the application end to end and address the issues and resolve with in SLA’s.
• · Hands on experience on various functional skills like Change Management, Problem Management, Incident Management.