Lalithasri CM

Experience

• 

  Nokia

  Feb 2008 - now

  Experience in design & development of Application Modules on the One-NDS using Core Java & the Spring Framework.• Responsible for Design, Development & Delivery of Application Modules on the One-NDS for various NT HLR features like Change-Identifier, UE-Reachability, etc. • Responsible for resolving trouble tickets/queries arising from the customer's Live systems.• Experience in Core Java, Spring Framework, J2EE, Eclipse IDE, • Knowledge of One-NDS network architecture, LDAP, MAP Protocols. Show less Experience in Development of charging and billing solutions (Intelligent Network applications) for pre-paid services in Core Java. • Responsible for Design & Development of the Unified Data Charging Solutions [GPRS, MMS, SMS, via Diameter] for the NSN IN for customers namely IDEA Cellular India, Vodafone India.• Worked on the Development of Credit Control Application in Diameter for the NSN IN, development of Recharging scenarios on the SS7 network for the client BSNL India.• Responsible for resolving customer trouble tickets/queries raised from the Live systems. - Architectural knowledge of GSM, GPRS, CAMEL, SS7 Signaling, DIAMETER protocol.- Knowledge of Core Java, Unix, XML, Rational ClearCase. Show less

  • Engineering Manager

    Jan 2022 - now

  • Engineering Stream Lead

    Dec 2017 - now

  • Solution Specialist

    Oct 2012 - Dec 2017

  • Solution Engineer

    Jul 2011 - Oct 2012

  • R&D Engineer

    Feb 2008 - Jul 2011