Balasubramanian Viswanathan Email & Phone Number

Bengaluru, Karnataka, India

Responsible for setting up a product and technology site in Bangalore, India for Booking.com and Booking Holdings.Deliver Technology solutions on critical and strategic priorities of Booking.com and Booking Holdings, with specific emphasis on the Fintech solutions.Collaborate & Work alongside with finance, product and technology leaders across Booking Holdings to innovate finance, payments and financial services infrastructure.

On a planned break after a couple of decades of non-stop working.Learning new domains and business areas.

Bangalore, Pune, Sittard

Led the R&D team as Head of Engineering, responsible for building a digital product suite, providing an end-to-end omni-channel solution.The digital product suite, built following an agile engineering process for way of working and state of art DevOPS, addressed multiple business domains and covered several parts of the Business SupportSystems(BSS) including a Product Catalog, a Commerce engine and Order Management integrating with Billing,Charging,Care,Payments and Service Provisioning.Product architecture leveraged micro-services, event sourcing pattern, open source components, cloud native designs and built for horizontal & vertical scale, with massive real time processing & availability.Delivered the product for multiple customers across the world on different cloud platforms(AWS,OpenShift,Azure), thereby doubling the revenue stream in 2 years.Responsible for developing and delivering the integrated product suite to customers across the globe.

Sittard, Netherlands & Bangalore, India

Led a global product R&D team as Head of Product R&D to deliver an end-to-end omni-channel solution for Telecommunication, Cable, Media and Utility companies across the globe.Initiated, setup and led the India entity with focus on Finance, HR and Legal aspects.

Bangalore, Berlin,Wroclaw, Pune, Toronto

Led a global team as Director R&D, with product and engineering accountability for further adoption in existing and emerging new market segments for a Real-time Monetisation Platform.Key Contributions- Started with responsibility for the Charging and Policy platform and later took on additional responsibilities for Billing, CRM and other functions, building them into an integrated Product suite.- Increase of the customer footprint and deployment of product both as a standalone charging as well as the integrated solution.- Drove Process & Technology Change Management for the R&D teams working with CRM, Billing,Analytics, Real Time Campaign Management, Enterprise Service Integration.- Coached & guided the teams to achieve higher efficiency and productivity by adopting Agile Practices and supporting Development Managers in People and Leadership Development

Bangalore,Berlin,Wroclaw,Jakarta

Delivered in different global roles for multiple product platforms, starting as a Senior Manager and worked my way through Head of Product Development, Head of Customer Engineering and graduating to Head of R&DKey achievements, while leading a global team as Head of R&D for Unified Charging & Policy, include delivering one of the world's largest data charging solution in terms of subscribers and transactions, deployed on a highly available platform (including disaster recovery) across 6 different data centres spread over several hundreds of kilo-meters.Key Contributor to increasing the customer base for Unified Charging Platform by a factor of 250% & the end subscribers on the same by a factor of 300% over a one year periodLed a global team as Head of Customer Engineering for Prepaid Platforms, with project teams in multiple time zones across 7 locations & delivering to customers spread across Europe, MEA, APAC, China & IndiaKey Contributor for consolidating the R&D footprint by 50% and made it more effective & efficient.Setup from scratch and contributed to creating the end-to-end Product Lifecycle/function eco system and the teams at Bangalore, for the new product suite in the Unified Charging & Billing Area addressing the Enterprise segment (CRM, ERP, Self Care, Analytics), as the Head of Product Development -Business Support Applications.Led the local team & collaborated with global teams to define the architecture, design and development of the new product suite.Built Teams and Scaled them Up from scratch (100+), for supporting development of R&D Solutions and Applications, addressing Customer Experience Management, Network Optimization, Self-Organising Networks & Service & Subscriber Provisioning, while playing the role of Senior Manager for OSS Service Management.

India (Bangalore), Germany (Bad Hersfeld, Berlin, Munich), Austria (Vienna)

Learnt,Developed,Built,Led & Delivered over a 10 year period, across different areas of Core Mobile Networks & Fixed Networks, playing various roles starting from a Development Engineer all the way to that of Head of an R&D Group.Scaled the team and delivered releases for a diverse base of products like the HLR, HSS, IMS and Policy (PCS), including setting up the teams from scratch for Policy Control R&D, functional teams for System Test, System Integration & Technical Support for the HLR Product at Bangalore locationKey Contributions to HLR and HSS include,Transformation to a Distributed and Highly Scalable Architecture based on the industry leading One-NDS Database Technology.Designing and building a Mated Pair Solution for the HLR based on a proprietary TCP based mechanism.Design and development of the GSM/GPRS Location Update subsystem in the Call Processing Domain of the HLR.Guiding and managing the architecture team.Process Owner for the Overall Process Modelling and Design using the Rational UML Modelling & Principles, with specific focus on setting up the basis for automatic code and document generation based on modelled entities.Bridge Head between the development teams at Germany and India.Key Contributions to Fixed Network Applications include,Development of CSTA Compliant Open Interfaces for third party Call Control on top of the Call Processing Application.Developed the Administration functions & parts of the Call Processing function for a Call Center Application for the Siemens Fixed Line Digital Switch.