Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Languages
Timeline
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Parveen Pahuja

Summary

Principal Software Engineer with 15 years+ of experience in billing and subscription management systems including Singleview, Salesforce, SAS, and Oracle Cloud Fusion. Expert in Quote-to-Cash, digital transformation, billing integrations, microservices, and cloud-native architectures. Strong analytical thinker with deep expertise in ETL, data migration, AI enthusiasm, and AWS architecture, combined with prior experience in Microsoft web technologies.

Overview

20
20
years of professional experience
1
1
Certification

Work History

Principal Software Engineer

Equinix
04.2013 - Current


  • Lead end-to-end digital transformation across billing platforms, system integrations, and subscription lifecycle workflows to drive operational efficiency and revenue growth.
  • Architect scalable, future-ready billing solutions using Singleview, Oracle Fusion Subscription Management, and Oracle Integration Cloud (OIC) that enhance billing accuracy and profitability.
  • Drive the Quote-to-Cash strategy with seamless integrations across CRM, billing, revenue, and finance systems to accelerate cash flow and reduce leakage.
  • Design enterprise integration patterns, microservices, and cloud-native components that improve system performance and reduce technology costs.
  • Lead large-scale data and billing migrations—including ETL design, execution, validation, and QA—while simplifying complex business and technical challenges into modular, high-impact solutions.
  • Drive AWS cloud architecture, CI/CD automation, and DevOps best practices to enhance platform reliability, optimize costs, and increase engineering productivity.
  • Mentor engineering teams and design UI/API layers using Microsoft technologies to deliver production-grade solutions that contribute to organizational efficiency and profitability.

Sr. Technical Consultant

Tech Mahindra Pvt. Ltd.
06.2010 - 04.2013
  • Worked on the Hutchison Charoen Pokphand Telecom (HCPT) project involving SingleView CB 6.01, Customer Management, UNIX, Perl, EPM, and TUXEDO, including high-level design, development, unit testing, debugging, and UAT/production issue resolution.
  • Delivered rating change requests, implemented BYPASS functionality for real-time events from the Guidance and Rating Server, and resolved complex rating and discounting production issues.
  • Designed high-level architecture for all postpaid interfaces, including TIBCO, Siebel, Payment Gateway, and IVR/USSD.
  • Developed postpaid inbound and outbound APIs, and supported SIT, UAT, and production for both prepaid and postpaid systems.
  • Built Perl-based migration scripts to extract, clean, validate, and parse customer data, invoking SingleView APIs using multithreading to create full customer hierarchies with historical records.
  • Worked in the Real-Time Team to resolve production issues instantly, and maintain high system availability.
  • Improved SingleView system performance using tools such as getstats, sarc, and query optimizers.

Developer Consultant

Fujitsu Consulting India Pvt. Ltd.
09.2009 - 06.2010


  • Worked on the Verizon UK project using SingleView CB 6.01, Customer Management, UNIX, Perl, EPM, and TUXEDO, handling multiple interface-related CRs independently.
  • Analyzed client-provided Functional Specification Documents, and translated them into scalable technical designs and implementations.
  • Developed and enhanced key billing interfaces, ensuring seamless data flow between Prime Biller and external systems.
  • Designed and implemented the Traffic Data Mart (TDM) interface, which extracts usage event records from Prime Biller based on input parameters.
  • Built Perl scripts to generate CSV files from PB database events, and automated SFTP transfer to the external TDM server.
  • Performed unit testing, debugging, and validation of interface outputs to ensure accuracy and compliance with client requirements.
  • Provided SIT, UAT, and production support for interface-related deployments, ensuring stable and reliable system performance.

Developer Consultant

Independent Technology Systems (India)
06.2007 - 09.2009


  • Worked on Alfa MIC1 (Lebanon) and Polkomtel projects using SingleView CB 6.01, Commerce Engine (PE), UNIX, Perl, EPM, and TUXEDO, primarily focusing on interface design while supporting rating, billing, and normalization modules.
  • Designed and developed key interfaces, including the Provisioning Interface, PPAS–PAMI Interface, Inbound SOAP (Web and Non-Web) APIs, and Intec reporting solutions using CB one-off tasks.
  • Participated in system testing, SIT, and UAT phases, resolving issues across rating, normalization, and billing components.
  • Fixed functional defects related to free units consumption, loyalty/spend encouragement, and interconnect charging.
  • Developed and maintained batch monitors in Perl and SQL to manage product expiry, renewals, and subscriber lifecycle processes.
  • Supported FAF, Package/Promotion, Network Service, and Periodic Fee monitors, ensuring accurate subscriber status and product behavior.
  • Collaborated with cross-functional teams to ensure seamless integration, stable performance, and successful interface deployments.

Software Developer

Optimal Solutions, Bangalore
03.2007 - 05.2007


  • Worked on the LAOMV project for the State of Louisiana using ASP.NET, C#, ADO.NET, JavaScript, SQL Server 2005, IIS, UML, and Rational ClearCase.
  • Designed complete UI screens aligned with user experience and business requirements.
  • Developed business logic components and a robust Data Access Layer, including all ADO.NET integrations.
  • Created database structures, including DDL/DML scripts, table designs, stored procedures, and optimized SQL queries.
  • Performed unit testing by preparing detailed test cases, and executed module-level integration testing.
  • Collaborated closely with cross-functional teams to ensure smooth development, testing, and deployment of system modules.
  • Delivered stable, scalable application components, meeting state-level compliance and quality standards.

Software Developer

Eastern Horizon Solution Pvt Ltd, N-Delhi
01.2006 - 02.2007


  • Worked on the REES Valuation project for GMAC (USA) using ASP.NET, C#, ADO.NET, JavaScript, SQL Server 2000, and IIS.
  • Contributed to a financial valuation system that performs quarterly property and asset evaluations based on current market conditions.
  • Developed secure modules with multi-level security controls at the asset, property, and screen levels.
  • Built functionality to import Excel data into ASP.NET pages, apply validations, and manage errors through a structured error-handling framework.
  • Designed and implemented stored procedures, optimized SQL queries, and supported database-related components.
  • Developed security screens for asset, property, and valuation workflows.
  • Conducted comprehensive unit testing using detailed test cases, and supported module-level integration testing for smooth deployment.

Education

Bachelor of Technology - Information Technology

Maharishi Dayanand University
Rohtak, India
01.2005

Skills

    Billing & Subscription Platforms

  • SingleView Convergent Billing (CB 6015), Customer Management (CM/PE)
  • SAS Billing
  • Oracle Fusion Subscription Management
  • Oracle Integration Cloud (OIC)
  • Quote-to-Cash Processes
  • ETL Design & Data Migration

    • Cloud, DevOps & Architecture

  • AWS Architecture & Cloud-Native Design
  • Kubernetes & Microservices
  • Integration Patterns & API Design
  • CI/CD Pipelines & DevOps Automation
  • Cloud Cost Optimization & Security Best Practices

    • Programming & Databases

  • Languages: PERL, EPM, C, C#, Core Java, Python, Shell Scripting, Visual Basic
  • Databases: Oracle 9i, SQL Server (70/90), SQL / PL/SQL
  • Operating Systems: UNIX, Linux, Windows

    • Analytics & AI

  • Tableau (Dashboards & Data Visualization)
  • AI & Data Science Enthusiast
  • Advanced Analytical & Problem-Solving Skills

    • Microsoft Technologies

  • NET Framework (11, 20), ASPNET, VBNET, C#NET
  • ADONET, Web Services, HTML, JavaScript, VB Script, XML, XSLT

    • Tools & Middleware

  • TUXEDO 81/103, SOAP UI, Putty, Felix, Toad, ECCS, CVS, Wireshark
  • IIS Web Server

    • Other Skills

  • Enterprise System Design & Architecture
  • Technical Leadership & Mentoring
  • Cross-Functional Collaboration

Accomplishments

  • Finance
  • Billing
  • Telecom
  • Data Center
  • Quote-to-Cash (Q2C)
  • AWS
  • DevOps

Certification


  • Oracle Integration Cloud Certified
  • Oracle Fusion AI Agent Studio – Certified Foundation Associate
  • TUXEDO Certified Professional
  • Microsoft Certified Professional (MCP)

Languages

English
Bilingual or Proficient (C2)
Hindi
Bilingual or Proficient (C2)

Timeline

Principal Software Engineer

Equinix
04.2013 - Current

Sr. Technical Consultant

Tech Mahindra Pvt. Ltd.
06.2010 - 04.2013

Developer Consultant

Fujitsu Consulting India Pvt. Ltd.
09.2009 - 06.2010

Developer Consultant

Independent Technology Systems (India)
06.2007 - 09.2009

Software Developer

Optimal Solutions, Bangalore
03.2007 - 05.2007

Software Developer

Eastern Horizon Solution Pvt Ltd, N-Delhi
01.2006 - 02.2007

Bachelor of Technology - Information Technology

Maharishi Dayanand University

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Parveen Pahuja