- Responsible for 3 key systems, backend system(Oracle Billing and Revenue Management system -BRM), frontend System (Billing Care UI - BCUI) and reporting tool (Oracle Communication Data Model OCDM) . - Hired and Mentored cross-functional onsite and offshore teams and delivered multiple small (6 months) to large (2 years) billing transformation projects on-time and at less than 30% of cost quoted by Sis(system integrator).- Led design and development effort to consolidate Customer care UIs, dashboards which improved operational efficiency of customer care team by 20%- Collaborate with Business Stakeholders and product managers in defining and prioritizing of roadmap items.- Guide the team in making architecture decisions, mapping of Business requirements to technical/system requirements, assist project managers in tracking delivery milestones

- Led the team to implement utility based billing of Rackspace open public cloud products. - Designed and developed various features which involves customization in Pipeline and Realtime rating/discounting, billing, taxation, AR, invoicing, payment, collections, General Ledger modules of BRM

- Designed and implemented the integration with Paypal, Apple iTunes and Amex gateway which saved ~$100K per month as payment processing fee

- Designed and modified legacy customer account creation flow which improved the signup process by reducing 50 plus calls to 3 calls from signup page to BRM and improved the performance of signup by 300%. - Designed, developed Wi-Fi usage processing system which consolidated 9 different kinds of handlers to 2 handlers in universal even loader (UEL). - Designed, developed and implemented universal pricing model which enabled Boingo’s customers to use multiple devices such as laptop, ipad, smart phones with purchase of single plan.

Designed and developed various features such as Packaged Pricing and customization andupgrade of Sirius XM Radios’ Billing system, Subscriber Management System (SMS) from BRMrelease 6.5 to 7.2.1, sustenance support of BRM production system

Designed and delivered Billing and Revenue management functionalities in Oracle communication Billing and Revenue Management (BRM) product by leading a team of 12 engineering.

Implemented Billing System for several clients all over the globe, including PRTC (Puerto Rico), Lattelekom (Latvia), ARS (Thailand), Site Communication (Norway), Hutchison Telecom (SriLanka), Quantum Communication (USA), Cable and Wireless (Panama)