Building innovative Cloud-native Web Applications and Microservices.

• Developed Citi Developer Portal to host Citi’s APIs on a digital platform with OpenAPI/Swagger standard based documentations and API playground in a sandbox system using technologies such as JavaScript, jQuery, SQL, JWT, Git, PHP, DRUPAL, CSS, SASS, Angular, D3.js, Java, etc. in the technology stack.• Full Stack Software Development, developing and maintaining the Drupal website for the open banking project.• Transforming the existing Drupal website into Angular 7 front-end Tech stack for the enhanced UI layer and MVC architecture.• Involved in Front-end and back-end development, data analysis, Software QA/Testing. • Writing Restful web service API’s with Spring Boot and performed API testing for end users, using Postman.• Applied object-oriented methodologies utilizing core J2EE design patterns and used Junit/Mockito to write the unit test cases.• Working on MySQL database schema design with normalization, writing queries, Stored Procedures, etc. Analysis, Coding, testing and implementation of system/infrastructure application components.• Liaising with Product Development, Business Analysts, Design and operations team in order to define new requirement’s and prototype and build software solutions, implementing SDLC and Agile Software Methodologies, system design, data modeling. • UI design, building computer programs, maintaining applications and databases by evaluating client needs, analyzing requirements and developing software systems.• Working on IBM API Management platform while using the product’s Rest based APIs for accessing and manipulating users, developer organizations, apps, subscriptions and to view published Citi APIs. • Development of Splunk log aggregation, alert monitoring and web tracking with Adobe Analytics.• Using AWS IAM users, roles, and groups to control access to pipeline actions and deployed resources. Running web services on EC2 machines using Auto Scaling Groups and containerized the application and migrated it to EKS.

• Responsible for delivering Digital Advertising Data working with Google Campaign Manager ad serving tool and technology solutions using Python for the data analytics team.• Developing, enhancing, modifying and/or maintaining a Big Data Hadoop application in the Digital Media’s Production environment, utilizing Apache Hive for a distributed, fault-tolerant data warehouse system.• Performed ETL process, database partitioning and replication using Talend data integration tool.• Used MongoDB to store the user-based privileges for the end client’s product with a GUI toolkit website.• Worked with a group of engineers, analysts and media planners to optimize the current system, adding new features and troubleshooting bug fixes as needed.

Full stack web development: Created an Employee Performance Management System (Progressive Web App) using theAngular framework, TypeScript, Bootstrap and HighCharts to evaluate an employee’s performance in a company.Created the Backend API using Express.js and Sequelize libraries for ORM modeling using JWT for authentication, hosted the, containerizing using Docker and testing the API using Postman.Development stack including Angular 3+ APIs, routing, data storage, design patterns, caching and security.Performed TDD with Jasmine Test framework and karma for unit and integration testing of the Angular application.• Implemented (CI/CD) pipeline on AWS to initiate automatic builds and then deploying to Amazon EC2 instances.• AWS Lambda functions to execute code in response to triggers by CloudWatch Events, invoking the function on a timer.

• Full stack web development: Analysis, development, testing, debugging, documenting, and peer reviews.• Created and deployed a Node.js app on Docker for the “Stack Reaper Process”, that performs maintenance of the database. It trims the NoSQL database of the company containing nested data objects in JSON format, based on some threshold. • Transformed a legacy PERL script into a Node script to send a notification email to all the internal users about maintenance while logging them out of the session and another script starts execution to get the CouchDB document, update it and display the Data Table to the users.• Developed a cross-device/cross browser web application utilizing React.js, ES6/Babel, Webpack, Node.js RESTful web service in conjunction with Bootstrap.Maintaining CI builds using Jenkins for automating the testing and deployment process of the front-end assets

• Worked on analysis of a “Solar Flare Database” project (Funded by NASA Grant) at New Jersey Institute of Technology. • Created a front-end dashboard using HTML, CSS, JavaScript, jQuery for the user to query the data.• Performed data cleanup and scientific computing using Python scripts, NumPy and SciPy libraries.• Web development and Parsing XML, .txt, .csv files using PHP and storing into MySQL database using SQL query.• Creating a database of the downloaded and parsed files and plotting graphs using Google Chart APIs.• Developed an innovative “Big Data” intelligent databases to develop data analysis and modeling tools in the area of Heliophysics.• Performed Natural Language Processing and machine learning using Python to create a text auto complete search box feature to search for the SQL queries from the solar flare database based on the user text input.• Computer vision tasks for Image Processing using OpenCV libraries in python, SIFT algorithm in MATLAB and performed Visual Feature Detection by creating visual vocabulary from the processed images and matching them with the visual data in the database obtained from the NOAA’s website.

• Worked on RFID technologies in Lab Diagnostics, Generating RFID programmed labels using Motorola RFID API and incorporating it with a Web based Inventory Management System using ASP.Net MVC framework. • Implemented AJAX in the .NET project to retrieve data form the server asynchronously and update parts of the web page.• Developed a 2D Barcode & RFID Reading Application in C# for the Windows CE Mobile OS based Handheld RFID Reader Device.• Created a Database-driven Website with Python’s Django framework to give a friendly GUI of Product status in the SQL Server database. • Developed a REST Web service using C# to allow users to access data in a secure, reliable, and responsive manner.

• Developed a text to speech conversion based app using Python NLTK package.• Analysis of audio and other data using Tableau and used Sharepoint. • Experience working with agile methodology implementations like Daily scrum meetings, sprint planning, resource planning, etc.

• Prepared test plan, oversaw products, performed testing, and provided report to senior management.• Maintained Telecommunication Operation’s Information repository menu board in J2EE, Eclipse.• Collaborated with support groups such as finance and service for improved productivity.• Conducted in-depth performance analysis of the Distributed Archive to meet customer performance requirement.• Worked on development of Computer Based Training Course (CBT) for training purpose of our customersand mechanics at the facility.• Used Maven to build the application and deployed on Apache Tomcat Server.

• Leaded a team of interns in development and testing of an intranet communication application in Core Java.• Worked on Java Networking while developing this internal instant messaging (IM) application using Eclipse.• Analyzed the technical requirements and details required for developing the system and proposed solutionsfor implementing the same.• Involved in all levels of testing from unit level of testing to integration testing and ensured that the finalproduct was delivered with good quality and efficiency.• Involved in System requirement study, conceptual design and designing of Use Cases based on the requirements using UML modeling feature• Involved in troubleshooting technical issues, conduct code reviews, and enforce best practices and department policies. ​ • Used Object Relational Mapping Tool Hibernate for the interaction with the database.