ABHISHEK DASEnterprise Java Developer (2.9 year experience)

Email: dasabhishek0790@gmail.comMobile: +91-9654789041

PROFESSIONAL SUMMARYI have around 3 years of core software development experience in distributed enterprise systems of Telecom (OSS/BSS) & Digital Media domains.Currently, I’m working on a Digital Media Delivery and Digital Content Management Product which caters 8 Media broadcasting companies all over the world. My role is to provide innovative enhancements and solutions for any new or existing customer using the product.Previously, I have worked on a large-scale Telecom BSS Solution implementation project for a world leading satellite communication service provider headquartered in USA with businesses over North America, Brazil, Middle East and Myanmar. I have developed and delivered many mission critical, business oriented, end-to-end features and enhancements to the existing OSS/BSS system, working closely with client and teams across shores.

TECHNICAL SKILLS

Platforms

Java 6

Java Enterprise Edition

Enterprise Java Beans (EJB 3.x)

Java Persistence API

Hibernate ORM 4.x

ArchitectureService Oriented Architecture (SOA)

Microservices Architecture Pattern

Integration TechnologiesJboss Switchyard

Apache Camel

Web ServicesSOAP (JAX-WS)

REST (JAX-RS)

Application ServerJboss 5.x, 6.x

WebLogic

Tomcat

OO Design

SingletonFactoryAbstract FactoryBuilderChain of ResponsibilityAdapterProxyBusiness DelegateService Locator

Database Technologies MySQL, Oracle 11g

IDE Eclipse

Source Control IBM Rational Clearcase, SVN

WORK EXPERIENCE

Company Designation DurationAccenture Software Engineering Analyst Sept 2016 – PresentAricent Software Engineer Feb 2014 – Sept 2016

EDUCATIONDegree/class Duration Institute Board/

UniversityMarks/CGPA

Year of Passin

gBachelor of Technology(B.Tech |Electronics and Telecommunication Engineering)

August, 2009 to May, 2013

Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar

KIIT University, Bhubaneswar

8.10 CGPA

2013

AISSCE – 2009 (12th Board)

June, 2007 to March, 2009

Kendriya Vidyalaya, Barrackpore Army Cantt.

CBSE 88.00% 2009

AISSE – 2007 (10th Board)

April, 1996 to March, 2007

Kendriya Vidyalaya, Barrackpore Army Cantt.

CBSE 91.00% 2007

PROJECT DETAILSProject #1

Domain : Digital Media Broadcasting & Content ManagementEnvironment : Java 6, Spring Batch, Hibernate ORM, Microservices, RESTCompany : Accenture Services Pvt. LtdDuration : Sept 2016 to Present

I’m a member of the Centre of Excellence team responsible for providing innovative enhancements and solutions to a Digital Media Delivery and Digital Content Management Product which currently serves over 8 leading Media broadcasting companies all over the world.

Roles & Responsibilities: Innovate & design newer features and implement them in the existing system. Provide ideas for newer PoC which can be implemented in the system. Understand and implement any modifications in the product as per requirement of the client. Take full responsibility of any task assigned and complete which minimal support. Responsible to do any PoC which ever assigned in shortest time possible.

----------------------------------------------------------------------------------------------------------------------------------------------Project #2

Domain : Telecom-networking/OSS/BSSClient : World's leading provider of broadband satellite services and productsEnvironment : Java 6, J2EE, SOA, JTEST, JPA, EJB, SOAP, WSDL & XSDCompany : Aricent Technologies Holdings Ltd.Duration : May 2014 to Sept 2016

I have worked on a large-scale Telecom BSS Solution implementation project for a world leading satellite communication service provider headquartered in USA. It has business over North America, Brazil, Middle East and Myanmar. The O/BSS system is developed and maintained by Aricent. It’s a single platform which provides customer administration, order management, billing management, user & access management, & service/subscription administration.

Feature Development/Releases:Note: The feature release names are omitted due to security reasons.Name & Details Technologies/

EnvironmentRoles & Responsibilities

Feature 1:Aricent was responsible to enhance the existing ordering management and service administration modules to support the business operations for a new home automation product to be introduced by

Java 6 J2EE Core JAVA JTEST JPA EJB Java Web-services WSDLs & XSDs

All round feature development in all phases; Design, Coding, UT & SIT.

Discussing the design aspects of the feature and coordinate with developers from other companies working on the same module.

Designed and implemented new module in existing system to provide ordering support for new business model.

client. MS Visio JBOSS ESB

Designed and developed a new interface which is used to communicate with other external systems like CRM and Billing.

Worked as JAVA developer & Web Services designer. Created and executed various SQL DB Scripts & DB

Fits Designing, developing & testing new Web Services. Full-fledged technical/quality documentation update,

such as Service Specification Design & Software Design Document, Unit-level Design & Feature Design Document, Unit Test Plan, System Integration Test Plan.

Unit testing and Integration testing of the system.

Feature 2:Critical production level bug fixes.

Core JAVA EJB JAVA 6

Interacting with the client and delivering the fix in a prescribed time domain.

Taking client calls and reproducing the bug at offshore.

Fixing the code & end-to-end integration testing. Acquired knowledge on how to handle and interact

with client on evening calls.Feature 3:System was enhanced to support upfront charging for an existing business model.

Core JAVA JAVA 4

Worked mainly as a Core JAVA developer with exposure to J2EE.

Individual responsibility of one single module; coding and UT.

Feature 4:Adding extra transport parameters for supporting a new Access Service.

Core JAVA EJB Servlets & JSP

Enhanced the existing ordering flows to support the new features implemented in new transport.

Involved in making changes in Enterprise module, testing and delivering.

Feature 5: Re-designing the code flow from servlet/jsp based module to SOA based module with SFDC interfacing.

IBM BPM Team works SOA JBOSS ESB XSLT XSDs & WSDLs SOAP Web Services CSP

Responsible for redesigning the code flow for customer management from old servlet based module to SOA based module.

Analysing code and providing pre-design phase findings to client.

Finalising feature release plan and date, also share LOE with the client.

Developing and finalizing ICDs for BPM tool and SFDC Developing ESB and writing XSLTs Developing XSDs & WSDLs on both CSP & ESB side. Responsible for taking client calls for finalizing and

closure of design. Write production level code for validations flow.

Feature 6:Implement new scheduler and task monitor for sending messages related to adherence fee to third party.

CSP SOAP Web Service Jboss ESB XSDs & WSDLs Oracle 11g

Responsible for finalizing ICD with third party. Responsible for finalizing design and requirement

from client. Responsible for developing end to end orchestration

logic which includes persisting, retrieval and processing of records.

Responsible for coding, testing, delivering and along with quality documents.

TRAININGS & INTERNSHIPS: Institution Name: Aricent Nalanda Training Center

Project title: String Library FunctionSummary: Design and implement all the string library functions in C

Institution Name: All India Radio & DoordarshanSummary: General Overview of Satellite and mobile transmission & distribution system, the components used and their functions

Institution Name: Innovadors Lab, a start-up focussing on Android app development and providing Android development trainings. Summary: Understanding core concepts of Android system designing and development. Design and develop one application based on Android platform.

Institution Name: KIIT UniversityProject title: Wireless Network Security: Advanced attack vectors in WLAN security

Summary: This project aims at implementing various attacks which are implemented by hackers to puncture WLAN security and expose the vulnerabilities of Wireless Network.

AWARDS & CERTIFICATIONS: Awarded WOW-Team Excellence Award for constantly learning by Aricent. Awarded WOW-Individual Excellence Award for Accountability by Aricent Appreciation for seamless delivery of IAM 3.0 feature release in Aricent for HNS-DSS. PRISM training program completion certificate from Aricent Nalanda, the training school of Aricent. Awarded Certificate of Excellence by Kendriya Vidyalaya, Barrackpore for securing 91% marks in AISSE – 2007,

conducted by CBSE.

Personal Information:Gender: MaleDate of Birth: 7th October 1991Current Address: Flat no. 403, Tower 7, CHD Avenue 71 Residents Apartments, Fazilpur, Sector 71, Gurgaon - 122001