Summary
Overview
Work History
Education
Skills
Timeline
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Kanchana Rajaram

Lake Hiawatha,NJ

Summary

  • Over 16 years of IT experience architecting, leading, designing, developing applications across various software and hardware platforms for Telecom industry Provisioning, Fraud Monitoring systems.
  • Adept at working in 24/7 mission critical application projects with onsite-offshore model and distributed teams
  • Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.

Overview

22
22
years of professional experience

Work History

01.2016 - 01.2023
  • Enforce Credit System
  • Architect and lead for the design to implementation of the Credit system which is part of Identity Fraud Monitoring system
  • Designed to handle high performance SLA of 300 ms with ~150 transactions per min
  • System helps to mitigate the fraud loss in millions
  • Handled multiple business projects to enhance the system in tight timelines meeting the delivery schedules
  • Designed the database objects and also processes to interface with the database in an efficient way
  • System evolves on regular basis to mitigate the continuing fraud activities
  • Technologies used - Java, MQ, Oracle, SQS, Redis Cache, groovy,
  • XML parsing, Apache Kafka
  • Active - Active architecture
  • Architect and lead for converting the system into Active - Active architecture
  • The implementation was done in phases and on selected modules
  • Phase 1 involves getting DB active-active mode using SharePlex
  • In Phase2 credit system is converted to active/active by making changes in SOA services, Backend alarming process.
  • Designed processes to use Global Redis cache to interface GUI with backend

Architect

Verizon Wireless
01.2005 - 01.2023
  • Network Fraud Detection System
  • Architect and lead development, Migration and Implementation of Network Fraud Monitoring System to detect Cloning and Subscription fraud using Call Details for both wireline, wireless customers and retail, resellers
  • Designed to handle billions of records per day in real time keeping system availability 24/7
  • Designed database to handle ~100 million records per day with insert and update performances in milliseconds
  • Designed dynamic alarming system where new fraud patterns are updated as it happens
  • System helps to catch ~500K on wireless loss every month and ~800K on wireline
  • Backend application collects real-time cellular call activity for wireless from all home switches Lucent, Nortel, Volte from Usage Broker, Data Mediation and roam switches connected to RoamEx network and GSM through Syniverse, MARS
  • Switch activities for customers lines are received through MQ from MTAS
  • Wireline call detail records are collected from various sources ETS, NIC, IPTS, INMP, CONF
  • Customer and ANI data for wireline customers (ESAP, NETCAP, OBUS, Optix, NETCAP are retrieved from Wireline DW
  • Lead for system migration and rewrite 3 times over last 15 years as part of technology refresh and to handle increasing volume.
  • Technologies: Python, AWS EC2, SQS, Lambda, Redis Cache,
  • PostgreSQL, Springboot, Unix/Linux, IBM MQ, Informatica

Comptech Consulting Inc, Verizon Wireless
01.2001 - 01.2005
  • Involved in the design and development of enhancements to Verizon Wireless Provisioning system MTAS (Mobile Telephone Activation System)
  • Supported in the implementation and maintenance of some switch interfaces and multiple billing system interfaces.
  • Technologies: XML, IBM MQ, C++, telnet, Shell scripts, Oracle, AQ .

Education

B S - Computer Science Engineering

Institute of Road And TransportTechnology, Bharathiar University
India

M S - Computer Science

IONA College
Nyack, NY
2003

Skills

  • Design Development
  • Client Requirements
  • Project Management
  • Improvement Recommendations
  • Bug Fixes
  • AWS Services - Lambda, SQS, Redis cache, EC2, Python, IBM MQ, Apache Kafka,
  • Relational Database Management Systems Oracle, PL/SQL, PostgreSQL
  • Operating systems Unix/Linux and Windows

Timeline

01.2016 - 01.2023

Architect

Verizon Wireless
01.2005 - 01.2023

Comptech Consulting Inc, Verizon Wireless
01.2001 - 01.2005

B S - Computer Science Engineering

Institute of Road And TransportTechnology, Bharathiar University

M S - Computer Science

IONA College

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Kanchana Rajaram