SUMMARY

• Over 8+ Years of diversified experience as MongoDB multi - sharded cluster and monitoring with MMS.
• Extensive experience in design, development and support using StrutsMVC and Spring MVC
• Architecture and Capacity planning for MongoDB clusters.
• Implementing on-premise MMS monitoring and backup solution.
• Data warehouse concepts, ETL, Star Schema, Snowflake, data modeling experience using Normalization, Business Process Analysis
• Excellent understanding and knowledge of NOSQL databases like MongoDB, HBase, Cassandra.
• Extensive experience with JavaScript, Ruby and Python in Linux, UNIX and Windows environments.
• Data modelling for data from RDBMS to MongoDB for optimal reads and writes.
• Have good experience creating real time data streaming solutions using Apache Spark/Spark Streaming.
• Installation of MongoDB on physical machines, Virtual machines as well as AWS.
• Backup & Recovery, Database optimisation and Security maintenance.
• Monitor the daily application reboots and EOD jobs and resolves if any issues.
• Extensive experience in designing MongoDB multi-sharded cluster and monitoring with MMS
• Created map-reduce programs in java script for MongoDB -CRUD: Creating, Reading and Updating Data in MongoDB
• Advanced queries: Query conditionals and aggregation framework -Availability: Configuring and monitoring replica sets in MongoDB
• Performance: Optimizing, monitoring, and understanding of MongoDB in system setting areas as well as by modeling data as required for application
• Scalability: Sharding setup, sharding monitoring, shard key selection, inserting large amounts of data in MongoDB
• Point in time Backup and recovery in MongoDB using onsite MMS. -Upgraded Mongodb from 2.6 to 3.0.6 Mongo.
• Develop reusable solution to maintain proper coding standard across different java project
• Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment

TECHNICAL SKILLS

Operating Systems: Linux, UNIX, windows

Languages: PYTHON, C, C++

Databases: MongoDB, Redis, Cassandra, Neo4J / OrientDB, Oracle

Scripting Languages: VBScript,, IBM Rational Clear Case Cloud Environment, J2EE, JSP, Servlets, Ajax, PL/SQL, Eclipse with Android SDK, OpenFire server, NodeJS, MongoDB, Mongoose API, Smack API, AWS

PROFESSIONAL EXPERIENCE

Confidential, Jersey City, New Jersey

Sr.MongoDB Developer

Responsibilities:

• Developed and tested extraction, transformation, and load (ETL) processes
• Involved with creating script for data modeling and data import and export. Extensive experience in deploying, managing and developing MongoDB clusters.
• Worked on creating JavaScript for using DML operation with MongoDB.
• Investigate issue happened during SOD following Incident Management procedure to resolve the issue.
• Experience in developing Spark with Oracle & MS SQL Server RDBMS
• Focused on architecting NoSQL databases like Mongo, Cassandra and Cache database.
• Works closely with Sr. Database Architect in implement “As a Service” design model for various NoSQL and RDBMS database technology.
• Advanced queries: Query conditionals and aggregation framework -Availability: Configuring and monitoring replica sets in MongoDB
• Installation of MongoDB on physical machines, Virtual machines as well as AWS.
• Initial investigation on the issues that happen on the production environment by actively working with the Autosys, DB or Unix teams.
• Data processing using SPARK.
• Provide technical leadership in database design, development, implementation and consulting to the Application development community.
• Created map-reduce programs in java script for MongoDB -CRUD: Creating, Reading and Updating Data in MongoDB
• Implement Flume, Spark, Spark Stream framework for real time data processing
• Maintain accurate logs of trouble isolation and repair efforts and escalate/communicate issues to management as needed.
• Performance: Optimizing, monitoring, and understanding of MongoDB in system setting areas as well as by modeling data as required for application
• Analysis, Coding, Unit testing and deploying modules
• Scalability: Sharding setup, sharding monitoring, shard key selection, inserting large amounts of data in MongoDB

Environment: SQL Server2008/2014, HTML,CSS3.0, MVVM, XAML,Java Script, SSIS, IIS, WPF, JAVA, Healthcare,REST,SOAPNode.JS,ADO.Net,MongoDB,MySQL,OpenStackAPI,WebServices,Oracle,Linux,,Python,MVC5,Cassandra,JSON, C# .Net, CMS,, Win Forms etc.

Confidential, Virginia

MongoDB Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Setting required system configuration parameters which will optimize MongoDB performance.
• Fixing static data issue following with data providers before business open and making instrument available for Trading
• Provide high availability & database-tuning solutions and work with customers to implement the solution.
• Worked on creating JavaScript for using DML operation with MongoDB.• Setup maintenance jobs in all production servers using Tivoli Workload Scheduler.
• Successfully handled project leader role in completing critical Global Projects
• Resolve and help the traders using Trade Capture Platform on Booking, Cancellation, routing of orders.
• Analyzing FIX message where there might be FIX link broken due to Manual intervention.
• Good Knowledge on real time database tables to fix the day to day trading issues by providing workaround.
• Perform the releases for all the regions and interact with the dev to find the suitable time and coordinate the post checks.
• Investigate issue happened during SOD following Incident Management procedure to resolve the issue.
• Initial investigation on the issues that happen on the production environment by actively working with the Autosys, DB or Unix teams

Confidential, CT

Oracle Database Administartor

Responsibilities:

• Successfully implement merging / consolidation project of ERP 11i databases on Linux and upgrade them to 12i on Solaris.
• Update maps, sessions and workflows as a part of ETL change.
• Experienced in Installation, Upgradation and Support of Oracle ERP on RAC and Non-RAC Databases
• Handled successful hardware rehosting of production instance with minimum downtime
• Involved from planning to completion stage of upgradation 11.5.9 to 11.5.10 for Global Production Instances project
• Expert in Oracle Applications version 11.5.10 in apps administration, configuration, managing Oracle applications Stack
• Perform day-to-day ERP DBA activity Like patching, cloning, monitoring, health checkup, user activity
• Management of multiple databases of Development cycles of project (Dev, QA, UAT and Prod)
• Strong Knowledge in oracle database concepts and administration on large DB 11g & 10g
• Oracle Enterprise manager and Quest tools for Database monitoring & management
• Troubleshooting skills of technical issues with the ERP applications configuration
• Successfully handled project leader role in completing critical Global Projects
• Strong knowledge of back up and recovery, knowledge of configuring RMAN and OEM
• Shared ApplTop for efficient cloning and patching process, reducing cycle time
• Managing and controlling security for various projects in Oracle Database
• Worked on the Peregrine tool to provide time to-time status of the work on the tickets related to any Unix Batch job issues and Neo4J / OrientDB, Redis.

Confidential, Hershey, PA

Sr.Software Engineer

Responsibilities:

• Fixing static data issue following with data providers before business open and making instrument available for Trading
• L2 support 24 x 5.5 for the Equities and Derivatives application globally
• Worked on creating various types of indexes on different collections to get good performance in Mongo database.
• Developed Ruby/Python scripts to monitor health of Mongo databases and perform ad-hoc backups using Mongo dump and Mongo restore.
• Developed and tested extraction, transformation, and load (ETL) processes
• Involved with creating script for data modeling and data import and export. Extensive experience in deploying, managing and developing MongoDB clusters.
• Worked on creating JavaScript for using DML operation with MongoDB.• Setup maintenance jobs in all production servers using Tivoli Workload Scheduler.
• Investigate issue happened during SOD following Incident Management procedure to resolve the issue.
• Initial investigation on the issues that happen on the production environment by actively working with the Autosys, DB or Unix teams.

Confidential

Trainee Software Engineer

Responsibilities:

• Developed web application using Struts 2.X,JSP, Servlets, Java beans that uses MVC design pattern
• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP
• Wrote JavaScript for client side validation.
• Used Eclipse as IDE tool for creating Servlets, JSP, and XML.
• Wrote SQL for JDBC prepared statements to retrieve the data from database.
• Monitored the logs using Log4J and fixed the problem
• The application was deployed on the Tomcat.
• Involved in build and deploying the application using ANT
• Used CVS as version control system
• Worked on bug fixing and Production Support

Environment: Java, JDBC, Struts, JavaScript, Html, CSS, JSP, Servlets, Tomcat, Oracle, Eclipse IDE, CVS, ANT, Log4J.