L2 production Support, LTE Test Engineer, Java & .Net Experience

Sahithi Maddasani

Email Address: *******.*********@*****.***

Phone: 516-***-****

OBJECTIVE

Dedicated software professional seeking a challenging assignment and responsibility, with an opportunity for growth and career advancement.

EDUCATION

Master of Science, Software Engineering Dec-2015

Sacred Heart University, Fairfield, CT, USA (GPA: 3.7)

Bachelor of Technology in Computer Science And Engineering May-2011

JNTU Kakinada, INDIA (GPA: 3.5)

PROFESSIONAL SUMMARY

Around 4+ years of experience in development & Testing of Enterprise Web, Desktop & Telecom applications.

Programming experience in HTML CSS, Java Script, Action Script 3.0, Java, Web services,.NET

Worked on different Application and Web Servers like IBM Web Sphere 8.0, Apache Tomcat and JBOSS

Proficient in using RDBMS concepts with Oracle, DB2.

Expertise in Database writing Stored Procedures, Functions, SQL queries

Experience in writing queries using Splunk.

Experience in Creating plans, scripts and measures and other items needed for testing while applying company and industry standards.

Experience in Analyzing and creating test scenarios used for testing end-to-end flows.

Experienced in developing configurable reporting interfaces.

Proficient in Agile methodology and in Software Development.

Collaborative team player and quick learner.

Excellent communication skills.

TECHNICAL SKILLS

Programming:

Java, SQL, PL/SQL,.NET

J2EE technologies:

JSP, Servlets

Web/App Servers:

Tomcat 7.0/6.0, Web Sphere 8.0x, JBOSS 6.x/5.x

Web Technologies:

HTML

Databases/Technologies:

Oracle, My SQL, SQL Server

XML Technologies/Tools:

XML

Development Tools:

Eclipse, Net Beans

Operating Systems:

Windows XP/NT2000, UNIX

Testing Tools/API:

SOAP UI, Wireshark, Landslide, Ixia,HPQC

Building Tools:

Ant

CERTIFICATIONS

Oracle Certified Core Java Professional (OCJP 1.6 Java Standard Edition Professional).

ACADEMIC PROJECTS & UNIVERSITY WORK EXPERIENCE

Sacred Heart University, Fairfield, CT, USA

Project: Online Examination System Aug 2015 – Dec 2015

The Online Examination System provides a platform for students to test his/her knowledge by their own. It is an online examination system useful to students to interact with the system and participate in taking tests according to subject wise. It is a web-based application that integrates way of taking tests by the students when they want to take the exam.

Responsibilities:

Designed and developed the User Interface screens with HTML5 and CSS.

Designed UML diagrams using VISIO.

Designed Context diagrams and Data flow diagrams for the project.

Developed the code using JAVA.

Performed Unit testing on the code.

Designed and implemented the data base schema for configuration data and the sample data sources.

Environment: HTML5, CSS, Java Script, Core JAVA, SQL Server Management Studio.

Project: Database Development and Administration Jan 2015-Mar 2015

Responsibilities:

Database designed, developed and implemented on all the SQL queries used in courses like SQL server and MySQL.

Database allows users to query and obtain queries based on category, key words and functions.

Database design includes data model, ERR diagram and Normalization and the Implementation included creating database, loading data and exporting the database.

Designed database schema for the project.

Database Conversion and database queries in SQL Server management studio (Joins, Aggregate functions, triggers, procedures, views, indexes and functions).

Designed dimensions and created them on visual studio 2010.

Designed cubes for business analysis.

Environment: SQL Server management studio, Visual studio 2010

PROFESSIONAL EXPERIENCE

Client Name: AT&T Inc.

Role: Test Engineer Mar2017-Till Now

Description: To work on LTE architecture and on Virtualization technologies.

Responsibilities:

Worked with VoLTE based call flows and performing an end-to-end testing..

Preparing High Level Test Plan document

Created plans, scripts and measures and other items needed for testing while applying company and industry standards.

Analyze and create test scenarios used for testing end-to-end flows to optimize the system performance.

Build test cases, test data & ensure test environment is ready for timely execution and quality delivery of projects/products.

Worked with SIP protocol and IMS based services are necessary.

Perform sanity testing across entire application once the application is deployed into production environment

Monitor applications in production environments and provide real time support for analyzing and troubleshooting issues.

Conduct review of Test Cases within team and then by with wider audience

Incorporate review comments and planning the test execution

Configured HSS and troubleshoot PCRF, PGW to make sure the attach procedure is working and UEs are able to make calls.

Environment: Wire Shark, Landslide, IXIA, HPQC, Xshell, Winscp.

Client: JP Morgan Chase

Role: L2 Production Support June 2016-Mar 2017

Description: Resolve and track production incidents and prevent re-occurrences for chase website.

Responsibilities:

To Manage L2 production support across multiple applications (Chase online Trading, Direct to Dealer, Chase personal online, chaseonline.chase.com, Ultimate Rewards etc.) globally.

Provide production and non-production environment support for Vendor Management / Regulatory Applications.

Monitor the overall health of chase website by using Dynatrace, managing and tracking incidents and escalations.

Working closely with Application Development, Testing team and upstream consumers and other L2 Operate teams.

Participate in on-call rotation for application support of production related issues.

Improve productivity, supportability and efficiency using Splunk tool.

Create and improve system documentation i.e., Run books for all supported applications.

Coordinate and perform deployment, installation, configuration, troubleshooting, maintenance and support for production and non-production environments.

Environment: .Net, SQL Server 2012, Java Script, XML

Client: Tech Mahindra, India

Role: Software Engineer Feb 2011 – Aug 2014

Project 1: OSS/J Mediation Framework

Description: Mediation Framework is a platform to expedite different mediations without point-to-point integrations. It is loosely coupled and independent system. OES MF utilizes third party components & tools on top of JBI complaint. It uses Mediation components to transform messages based on the requirement of End customers.

Responsibilities:

Participated in Design, Development and Architecture of OSS/J Mediation Framework Implementation.

Used Maven3.1 for create the project archetype and build the interface modules for create war and ear files.

Performing UNIX commands to get details from the network about traffic and alarms in the network.

Developed user stories using Core Java and expose the Mediation interface using SOAP web services.

Worked on BMC Remedy Web servers.

Used web services for developed OSSJF Visibility interface and consume multiple SOAP web services from external systems.

Worked on SOAP UI for testing request/response client internal/external web service and outbound internal/external web services (provided by NSN).

Defined Client WSDL and Schemas and consume external WSDL and schemas for retrieving the data provided by NSN.

Worked on Web Sphere Application Server 8.0 for deployed interface modules.

Used JUnit framework for unit testing of client inbound and outbound web services and Log4j 1.2to capture the log that includes runtime exceptions.

Environment: EJB 3.0, J2EE, Core Java, XML, WSDL, Web Sphere Application Server 8.

Project 2: Italian Railways

Description: It is End-to-End integration. It uses Mediation Framework. Mediation Framework is a platform to expedite different mediations without point-to-point integrations. It is loosely coupled and independent system. OES MF utilizes third party components & tools on top of JBI complaint. It uses Mediation components to transform messages based on the requirement of End customers.

Responsibilities:

Gathering Requirements from the end customer.

Documenting Interface Specification documents and Use case documents for the end customer.

Designing High Level Documents required for the project.

Developing code (JAVA) for the project and performing Unit Testing on the developed code.

Designing Integration Test Plan and performing Integration Testing from both ends.

Environment: Core Java, XML, WSDL, Web Sphere Application Server 8.0

Project 3: EDAP Expansion Use case (JBOSS-SOA)

Description: The JBOSS Enterprise SOA Platform (or JBOSS SOA Platform) is free software/open –source JAVA EE-based service –oriented architecture.

I have developed the applications using the ESB framework. The JBOSS Enterprise SOA Platform enables enterprises to integrate services, handle business events, and automate business processes, linking IT resources, data, services and applications.

Responsibilities:

Performing MML commands to get details from the network about traffic and alarms in the network.

Developing code (JAVA & Free Marker Template) and business process for all the available (free) BST’s and BSC’s in the network.

Deploying the code on to the server and testing the code.

Monitoring all the network elements.

JBOSS 5.0 Administration

Creation of JMS Queues and JMS QCF’s

Creation of Data Sources

Deploying Applications in JBOSS

Environment: EJB 3.0, J2EE, Core Java, XML, WSDL, JBOSS 5.0, ANT.

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