Service Customer

Rama. Gajavalli

Email:

acpkx6@r.postjobfree.com

Mobile: (201) 736-

0212

Professional Summary:

> 8+ years of IT experience in Requirement Analysis, Design,

Development, Unit Test and maintain Enterprise Applications on

Java/J2EE development of telecom Software Product

> Hands-on experience and excellent knowledge on Servlets, JSP, JDBC,

Spring 3.1/2.5, Hibernate, Struts, Quartz, UML, JSR-286, XML,

AJAX, JSON, J Query, Angular JS, JSTL, SQL, Web-services, Web logic

10.3, Apache Tomcat 7 server.

> Having Exposure & Working knowledge on JAX-B, JAX-P, JAX-RPC, JAX-WS,

XML/XSD, SOAP, SOA, REST, WSDL, XPATH, and XSLT.

> Hands-on experience on developing Enterprise Application on MVC

Framework Spring3.2

> Involved in complete Agile/SDLC - Requirement Analysis, Development,

System and Integration Testing.

> Having an experience in Solaris Operating system and UNIX commands.

> Have good communication, analytical, interpersonal skills with logical

approach to problem solving and inclination to learn new technologies.

> Having an extensive experience in troubleshooting issues,

collaborating with multiple teams.

Academic Summary:

> M.C.A (Master of Computer Applications) from Acharya Nagarjuna

University, Guntur, India. 73%(2006)

Technical Skills:

Web/J2EE Technologies JDBC, Servlets, JSP, Spring MVC, IOC, AOP,

/Frameworks Hibernate, JSR-286, Ajax, JSTL, Design patterns, UML

XML APIs/ Web XML, XSD, X Path, XSLT, JAXP, JAX-B, SOAP, SOA,

Services REST, WSDL, Web-services, BPM Tool

Scripting Languages JSON, J Query, Java Script, Angular JS, Shell

Script, HTML, CSS

Telecom Domain / OSS, ATM, FR, DSL, IP, Layer2 Provisioning

protocols

Web & Application Web logic 10.3, Apache Tomcat 7

Servers

Build / Repository Eclipse, Net Beans, Soap UI 4.6, TOAD, IBM Rational

management Tools Clear case, SVN, Log4j, J Developer, Spring Tool

Suite-3.4(STS), Maven, JIRA

Experience Summary

CLM, Claro-Argentina

April 2014 -Present

Senior Java Developer

Today's increasingly competitive telecom landscape challenges the service

providers to redesign and adopt strategic business approaches to stay

profitable and maintain differentiation to be relevant, while keeping costs

low. The operators are now faced with the need of bundling different

products together from a diverse mix of video, voice, data and content

services and selling a customized solution to customers. Consumers today,

have high expectations and want complete visibility and control of their

subscriptions, quick answers to their queries, instant registration and

resolution of their problems and immediate response to their requests. To

address the expectations of the customer and provide effective customer

service the operators are looking at different CLM systems. The CRM systems

today have gained tremendous importance and have become the back bone of

superior customer service. These systems address the different

opportunities throughout a Customer's Lifecycle and helps in managing a

customer throughout the association of the customer with the CSP.

Responsibility:

> Implemented the application using Spring MVC architecture and

Coding involves writing Controller Classes/Forms, JSP, map

the XML response which comes from other systems.

> Involved in the design and development of Business Tier using

Service Components and Java Beans, Data Access Layer using

Hibernate. Exposure on consuming web services.

> Involved in designing the system based on UML concepts, which

include preparation of sequence diagrams and class diagrams.

> Implemented and designed user interface for web based customer

application.

> Unit Testing, Integration Testing and Pre-System Integration

Testing of functionality,

Unit testing using SOAP-UI.

Environment: Java, Spring MVC, Hibernate, Web-Services, Ajax, XML, XSLT,

XSD, X Stream, JSON, J Query, JSTL, SOAP-UI,

BPEL, Apache Tomcat 7

Ability Master Application, MTN-South Africa

March'13 to April '14

Senior Java Developer

'Integrated Sales & Customer care Service Framework', Concierge

facilitates customer acquisitions and customer care functions (through Call

Centers, Distributors, Dealer and Sub-dealers) to dramatically alter the

nature and quality of customer interaction. Convergent charging delivers a

highly flexible and feature-rich solution allowing you to effectively

manage your entire subscriber base by rating and charging in real-time for

any service.

Responsibility:

> Design & development Service Catalogue & Business Adapter using

Spring IOC.

> Developed beans to map the XML response which comes from external

systems using JAX-B

> Explored generic AUDIT TRAIL framework to retrieve transaction for

different modules.

> Implemented JSR-286 API for the development of port lets.

> Sending notifications using Batch scheduling techniques (Quartz

schedulers) for CLF customers based on calendar (options of

day/hour) in recurring instances.

Environment: Java, Spring AOP, IOC, JSR-286, Hibernate, Ajax, XML, XSLT,

XSD, JAX-B, JSON, J Query, JSTL, Design Patterns,

Quartz, Apache Tomcat 7

Concierge, MTN

Nov'10 to Feb '13

Senior Java Developer

Concierge offers the flexibility to provide either one consolidated

convergent bill or service wise details. Main functions of the portal are

Manage account information, Consolidates all info regarding account,

billing and services per subscriber, the end-user views displayed by the

GUI which is configurable, allowing Concierge to be designed in-line with a

customer's branding. Concierge has been integrated with CS5 (Charging

system, Ericsson), RBT (Huawei), DMS, @billity (Tecno tree) Systems.

Concierge is an integrated system for Dealer portal (DP), Single Service

Portal (SSP), E-Care portal which serves MTN with GSM and Wi-max Services.

Concierge middleware provides loosely-coupled framework for inter-

application interaction. Multi-Layer approach is followed in Concierge

Middleware Architecture.

Responsibility:

> Developed Business Layer using reflection framework as part of

POC.

> Involved in developing page flow actions using apache beehive

framework & developed Port lets for the application. Client side

development JSTL, J Query, AJAX.

> LLD & UTC Preparation with Test Driven Development (TDD)

approach by using Soap UI.

> Worked on CR's Efforts Estimation (IA), participation in SME &

CCB meetings.

Environment: Java, spring, Ajax, XML, JAX-B, JSON, J Query and Web

Services, WSDL, XSD, JSTL, Oracle Web Logic 10.3

DSL Service Application, Swisscom-Switzerland

Feb'09 to Nov '10

Java Developer

The DSL SA offers automated service creation and activation solution for

providers looking to accommodate the strong demand for DSL services. DSL SA

enables single-step activation of DSL services as part of the new

requirement subscriber was enhanced to provide Loop Bonding support. It

provisions multiple DSL services from service application, user can perform

create, modify, delete, Verify, Repair operations.

Responsibility:

> Involved in development of Loop Bonding feature for subscriber

Object

> Worked on DSL resource model (mapping RM level attributes to SA

level attributes).

> Fix defects, providing solution for Heat Tickets and

enhancements raised by customers.

Environment: Java, jdbc, servlets, jsp, Design patterns, Solaris 8, Web

Logic 10.3

ATM Service Application, Telecom Italia, Rome-Italy

Feb'08 to Jan '09

Java Developer

This Service Application allows provisioning end-to-end ATM services; it

supports different types of ATM services (ATM Connectivity, ATM Multipoint

Master, and ATM Multipoint Slave). P2mp services can provision on CS

Equipment Module, Each service is associated with a service profile

(Default, SE and service enables the user to control the circuit type

that is being created during the service. Atm Connectivity Service is

enhanced to support SLMM feature, so that it will be able to accept user's

input bandwidth values. This Service Application allows provisioning end-to-

end frame relay services FR

Connectivity Service enables the user to control the circuit type that is

being created during the service, all FR Services is enhanced to support

SLMM feature, it will be able to accept user's input bandwidth values, and

it enables the user to perform Import operations (create, modify).

Responsibility:

> Implementation of SLMM Feature.

> Worked on Enhanced Service Topology (Single hop, Multi hop).

> Involved in Analysis, Design, and Implementation and Testing

phases

> Development of Layer2 RM's [RA and R2] modules.

Environment: Java, jdbc, servlets, jsp, Design patterns, Web Logic 10.3,

Solaris 8

FR Service Application, Telus, Vancouver-Canada

March'07 to Jan '08

Core Java Engineer

This Service Application allows provisioning end-to-end frame relay

services FR Connectivity Service enables the user to control the circuit

type that is being created during the service, all FR Services is enhanced

to support SLMM feature, it will be able to accept user's input bandwidth

values, and it enables the user to perform Import operations create,

modify, delete, repair, import, upload

Responsibility:

> Implementation of SLMM Feature.

> Worked on Enhanced Service Topology (Single hop, Multi hop).

> Involved in Analysis, Design, and Implementation and Testing

phases

> Development of Layer2 RM's [RF and R2] modules.

Environment: Java, jdbc, servlets, jsp, Design patterns, Web Logic 10.3,

Solaris 8

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