Senior Software Engineer Resume Fairfax, VA - Hire IT People

SUMMARY

Over 9 years of experience in Design & Development of Software for Large scale enterprise systems, Business & Operations support systems, Web Applications
Programming expertise in Java/J2EE, C, C++ Technologies on Linux & Windows Platforms and DB designing skills on Oracle and Informix RDBMS, design expertise using UML
Sound understanding in Principles of Software Architecture, Algorithms, Design Patterns, Data Structures, OOAD, MVC, ORM, SOA Frameworks
Working knowledge of Telecom Billing Systems, Business Intelligence Systems, Network Management Systems, PCRF, SDP, CMS, CRM, Health Care Systems and Mobile Applications.
Handled integration of Billing system with Charging gateways, Content management systems & several 3rd party systems over SOAP based Web services, REST APIs& Diameter
Exposure to Software Development Life Cycle processes defined by CMM, Agile & SCRUM methodologies
Excellent written & oral communication skills. Experienced in gathering and analysing customer requirements, writing System Design specifications & Acceptance test plans
Handled international assignments, worked with Major Telecom Operators. Experienced in leading product deployment, subscriber migration & UAT activities onsite
Well versed with specifications drafted by standard bodies like 3GPP, IETF, IEEE et al., handled the role of Domain expert & Technical consultant to cross functional teams.

TECHNICAL SKILLS

Programming Languages & Technologies: Java/J2EE, Servlets, JSP, Java Scripting, JSON, AJAX, JSF, IceFaces, HTML, CSS, XML, JAXP, JAXB, WSDL, SOAP, REST, JQuery, Spring 3, Struts 2, Hibernate, JDBC, JMS, Log4j, Slf4j, JUnit, ANT, MAVEN, C++, C, Python, Shell Scripting, AWK, SED

Tools: Eclipse, Source Insight, MS VC++, GCC, GDB, MS Visio, Rational Rose

Application/Web Servers: Apache Tomcat, JBOSS, Weblogic

Test Tools: SOAP UI, HTTP Analyzer, Appscan, FindBugs

Database: Oracle SQL, PL/SQL, In Memory database, DB Visualizer, SQL*Plus

Operating Systems: Unix, Linux, Windows, VxWorks, Android

Protocols/Standards: SS7, CAP, MAP, SIP, SMPP, Diameter, DCC Gy, IMS, LTE

Web: HTTP, SOAP, Web - Services (SOAP JAX-WS/RPC & REST JAX-RS)

Networking: TCP/IP, UDP, SNMP, ASN.1 Telecom

Software Configuration Management Tools: SVN, MS VSS, Rational clear Case, GIT

PROFESSIONAL EXPERIENCE

Confidential, Fairfax, VA

Senior Software Engineer

Responsibilities:

Involved in interacting with Business Analysts to understand the operator requirements & prepared feature design specifications and functional flows using UML
Developed SOAP based Web services & REST APIs to enable management of end user services
Developed Server side business logic using Spring IOC, Dependency Injection & AOP, handled logging requirements using Log4J
Prepared SQLs and Stored Procedures to create tables & load service data to the Oracle data base
Used Hibernate ORM to implement DAOs for persistence of service related data in the Data base
Extensively used Java Collections APIs & Multi-threading in handling batch service requests

Environment: Java 1.5, Linux, JBoss, Oracle 10g, Spring3, Struts2, Hibernate, Maven

Confidential

Systems Engineer

Responsibilities:

Worked closely with teams in multiple R&D centres responsible for development of different modules of Online Charging System and coordinated version & deployment management
Worked on Service data management module using Struts MVC for GUI
Developed Web services over SOAP using WSDL, XSD & Apache AXIS2 libraries to enable Provisioning, CRM, CMS&VAS systems to communicate with Billing System
Worked on the multi-language support(I18N) module for GUI, designed & developed feature configuration module based on XML using JAXP
Worked on dynamic rendering of pages with form validation based on partial submitfunctionality & AJAX Push using JSF, ICEFaces
Implemented DAOs using JDBC Template to maintain Service data on Oracle Database.
Designed & developed the dynamic tariff feature based on the data pushed by Business Intelligence systems using Event, Listener model.
Resolved several Concurrency issues & implemented optimizations during product evolution

Environment: Java 1.5, Linux, Apache Tomcat, Oracle 10g, Spring3, Struts2, Axis2, ANT

Confidential

Software Engineer

Responsibilities:

Developed SIP based services using JAVA SIP Servlet.
Developed GUI using JSPs, Servlets & Java Scripting for Enterprise VPN feature
Used Shell scripting, SED & AWK to generate revenue reports based on CDRs
Worked on Voice, SMS, USSD, IVR Call flows over CAP, MAP, SS7 protocols using iSCE.
Implemented a real time charging interface to charge for data usage of subscribers over the Multiple Services Credit Control Mechanism of Diameter credit control (3GPP 32.299)
Worked on several features like Friends & Family, incoming call screening, Policy Control & Charging (PCRF), Location based services etc.,

Environment: Java 1.4, JBuilder, iSCE (Service Creation Environment), C++, Linux

Confidential

Software Engineer

Responsibilities:

Handle Product Maintenance
Implement Enhancements & Bug Fixes

Environment: C, VxWorks

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Senior Software Engineer Resume

Fairfax, VA

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