- Own and manage Citi’s customer and marketing domain data for US Personal Banking, driving insights and initiatives through data-driven analysis- Led teams of data engineers and data modelers to build over 1500+ customer 360 features/attributes for data analytics utilizing Spark, Hadoop/HDFS, Hive, Python- Designed and implemented 5 data pipelines to persist data in Snowflake data cloud to optimize cost, storage and compute utilizing Spark, AWS EKS, AWS S3, Snowflake, Kubernetes, Docker- Build extract, transform, and load (ETL) pipelines to convert 7M+ Citi customers from account packages to relationship tiers to support Citi Simplified Banking program, a major initiative by Citi to simplify banking utilizing Spark, Python, Hadoop, Hive.- Derived critical customer centric datasets (e.g., customer-account relationships, multi-relationship customers, customer spending summaries) leveraged by 12 downstream applications to support various US Personal Banking initiatives- Improved data pipelines’ development time by 35% and data availability by 5 hours by building a Data Standardization framework to enable modularity, extensibility and by implementing solutions for late arriving data- Developed and modeled a comprehensive physical E-R Diagram for the marketing domain, identifying 50+ key entities critical to the US Personal Banking business- Designed and implemented customer personas for delinquent customers, modernizing debt collections processes using Spark, Hadoop/HDFS, Hive, and Python- Led and architected real time data ingestion pipeline for ATM transactions to support customer complaints platform, reducing data availability time by 24 hours utilizing Spark Streaming, Kafka, HBase

- Developed ETL data pipelines for a data warehouse application to support data analytics, API search in collaboration with 10+ developers and engineers utilizing Python, Shell script, Oracle - Led, designed and delivered capabilities into a web application to support data related metadata searches, store/renew 20+ data contracts and a web based GraphQL interface to query data stores using Oracle, JAVA Spring Boot, Elasticsearch, Angular - Improved application resiliency by 10% by integrating Hystrix circuit breaker with JAVA Springboot enabling fallback from Oracle to Elasticsearch during down times

Verizon Cloud- Led the development of Verizon Cloud application enabling seamless backup of user content - including photos, videos and contacts information to a cloud database for over 100M customers- Improved and simplified monitoring and maintenance of 3 critical services i,e., Cassandra operations, datacenter inventory, and container health for Verizon Cloud using JAVA Spring, Docker, Cassandra, jQuery, Shell- Improved application resiliency by developing 10+ scripts to self-heal Docker containers and to perform data backups using Shell, Python, Mesos, Marathon APIs. - Participate in several implementation phases of the product development cycle: design, scoping, planning, implementation, and testing.- Configuring/Deploying/Managing distributed database systems: Cassandra, MySql, and Redis clusters.- Develop JAVA Spring Web application for Verizon Cloud operations – Cassandra operations, datacenter inventory, monitoring, etc. using JAVA Spring, Docker, Cassandra, jQuery, JavaScript, CSS.- Development of software/scripts to monitor system behavior using JAVA and Shell scripting and containerizing them using Docker.- Work closely with product vendors to enhance product features and resolve defects.- Actively involved in monitoring system behavior to catch hardware/software failures at the earliest.- Work closely with platform/infrastructure teams for allocating hardware resources required by software applications.

- Designed and developed a data extraction interface for capturing corporate actions on daily basis to make it useful for Nasdaq corporate bond indices using SQL/PLSQL, Shell Programming.- Designed and built Microsoft SharePoint portal for project to better manage PDLC activities to include features for: automating business processes, document management, task tracker, Wiki and project calendar.

- Developed features for a new real estate product using MVC ASP.NET, jQuery, Bootstrap, AJAX, Entity Framework, Umbraco.- Integrated the application with Quartz Server API to schedule notification email jobs as per desired frequency.

- Developed modules to stage users trading information using MVC ASP.NET, C#, jQuery, AngularJS, WCF.- Developed Mock WCF Service to ensure application working in isolation during external changes such as network failure or a server being rebooted / redeployed.- Automated UI testing of MVC Web-Application using C#, Mock WCF, Selenium Web-Driver, Nunit.

Role: Software Engineer (ERS-SEG: Engineering and R&D Services – Software Engineering Group)Client: Symantec Corp.Responsibilities: 1. Gathering requirements and analysis through client interaction 2. Designing functional specification document 3. Designing HLD and LLD 4. Implementing business logic 5. Designing and Implementing Automation Scripts 6. Incorporating code changes for functional defects and security threats after quality analysis