Tanmay Vartak

Architect and Digital Banking Platform

• Designing domain based Microservices to build unified banking as service platform.
• Developing common connector/adapter component to connect microservices to various core banking systems for data retrieval.
• Working with other teams in Fiserv like Transfer Now, ACH, Wires to integrate their Apis in online banking tool to enable various banking operations like Transfer money, Stop check payments etc.

Audit Management Tool

• Designing UI components in React Redux and publishing it as NPM packages.
• Developing restful Web API using ASP NET Core and implementation of authentication using Azure Active Directory.
• Implementation of asynchronous workflow of integration with third party systems (Microsoft App Dynamics) using Azure Functions and Azure Service Bus.
• Troubleshooting of defects and exceptions using Azure App Insights.
• Implementation of persistent storage of binary data using Azure Blob storage. Used Microsoft SDKs to connect to Azure Storage Account and doing operations like blob creation, retrieval ,deletion etc.

Audit Insight Tool

• Designing document structure to store data in Azure Cosmos Database. Used Microsoft recommended best practices to design no SQL data structure using de-normalization and normalization techniques.
• Implemented restful Web API using ASP NET Core 3.1 and authentication using Azure Active Directory. Used Mediator pattern to invoke business logic from Service Layer. Used repository pattern to access data. Used Microsoft SDK to access Azure Cosmos Database.
• Implemented Change Feed Mechanism for Azure Cosmos database using Azure Functions to sync data in other collections. It improved data consistency and reliability.

Content Management Systems

• Implemented Web API using ASP NET Core and used code first approach to generate database. Used c ode first database migration technique to implement versioning of database based on changes required in domain models.
• Implemented data retrieval logic using SQL stores procedures , Entity Framework Core .
• Implemented complex data migration logic using SQL scripts to load data from old database schema to new schema.

Legacy Audit Management Tool

• Implemented data access logic using OData service , Entity Framework 6, SQL store procedures, functions.
• Implemented UI logic using Backbone and Marionette .
• Implemented runtime creation of log files, excel documents using Aspose library.
• Used windows service bus to perform long running tasks like archival of entire engagement data and uploading archived zip file to archive record center. Used techniques to upload large size file in smaller chunks in parallel.
• Created data migration utility using SQL bulk copy to migrate data from various xml files into SQL server database. It helped client to replace Map-Force (third party tool to load data) and save licensing cost.