Parthasarathi Narayana

About Parthasarathi Narayana

Professional Summary:• System Design, Solution Architecting and Development of Java Backend applications using springboot. User/Role Management using Keycloak (oauth2), Role based authentication, Message Queues (ActiveMQ - JMS and stomp) for setting up Server/Client applications or Server/Server communications, Microservice Architecture, Applications deployed on Tomcat/Wildfly containers (on-premise) Rocky Linux and IBM AIX servers, Cloud Ready applications design/development.• Product Design & development : Subscription/Plans Provisioning, REST Gateway Applications, System monitoring and operations application (monitoring is using Grafana, operations is using custom application), Client process using Python (messages received on the socket from server), User migration or configuration tools using shell scripting, Online charging or Prepaid charging systems design and development.• Agile, Project Planning, Scrum and discussions/gathering of Business Requirements.• Writing Customer/Business Requirements, System Engineering, Customer Presentations, Method of Procedure (MOP) writing for Migrations, Upgrade Strategies.• Design, Product Development (Java, Hibernate, Spring and Custom GUI), Customization and L3 (development) support for Charging product involving Telecom protocols Diameter, WIN, CAP, CAP2, INAP, MAP and CAP3.• End to End Testing support, Product integration or launch support at customer location.Skills:Telecom: Business Support Solutions (BSS)| Diameter | Charging | Online Charging System | 5G | WIN | CAP2 | CAP3 | MAP | TMF630Technologies: Java | Spring-boot | ActiveMQ| oauth2 | Keycloak | Shell Script | Wildfly/JBoss | Tomcat | Micro-Services | REST | Mysql | MariaDB | Oracle TimesTen | UnixDev-Ops: Jenkins | JUNIT | Sonar-Qube | Pipeline | Ansible | Test Automation (Fitnesse, Postman)Customers: Tata Teleservices | Telenet/KPNGB (Belgium)| Sprint | Idea | AT & T

Experience

1. Sr Specialist - Software Development

   Ericsson

   Jan 2013 — Present · Chennai, IN

   Design, Development of Spring-boot application as part of modernizing project. oauth, Security (SSL), JPA, async handling as part of the project. Development based on TMF630 specifications.• Writing Customer Requirements, System Engineering, Customer Presentations, Method of Procedure (MOP) writing for Migrations, Upgrade Strategies.• Design, Product Development (Java, Hibernate, Spring and Custom GUI), Customization and L3 (development) support for Charging product involving Telecom protocols Diameter, WIN, CAP, CAP2, INAP, MAP, CAP3 etcetera.• End to End Testing support, Product integration or launch support at customer location.Telecom: Business Support Solutions (BSS)| Diameter | Charging | Online Charging System | 5G | WIN | CAP2 | CAP3 | MAP | TMF630Technologies: Java | Spring-boot | Shell Script | Wildfly/JBoss | Tomcat | Micro-Services | REST | Mysql | MariaDB | Oracle TimesTen | UnixDev-Ops: Jenkins | JUNIT | Sonar-Qube | Pipeline | Ansible | Test Automation (Fitnesse, Postman)Customers: Tata Teleservices | Telenet/KPNGB (Belgium)| Sprint | Idea | AT & T

Education

• Visvesvaraya Technological University

  Bachelor of Engineering

  2004 — 2008

Skills

• Core Java
• Inap
• Testing
• Code Division Multiple Access Method (Cdma)
• Microsoft Crm
• Gsm
• Ss7
• 3g
• Ivr
• Tcap
• Final Cut Studio
• Smpp
• Unix
• General Packet Radio Service (Gprs)
• Signaling System 7 (Ss7)
• 3gpp
• Vas
• Microsoft Dynamics
• Intelligent Networks
• Ussd
• Value-Added Services (Vas)
• Sip
• Diameter
• Gprs
• Final Cut Pro
• Pcrf
• Bss
• Java Script
• Charging
• Cdma