Debasish Chandra Email & Phone Number

Cambridge, GB

Oxford, England, United Kingdom

Cambridge, England, United Kingdom

• Following Microsoft’s acquisition of Metaswitch in 2021 and the subsequent creation of Azure for Operators (AFO), I have been an integral part of the AFO Voice Core team. My contributions have been pivotal in numerous.
• Spearheading the delivery of a comprehensive VoLTE automation product roadmap.
• Leading the implementation and integration of the VoLTE platform across various AFO customer sites, ensuring seamless service delivery.
• Architecting, developing and deploying the Team Presence Gateway for mobile users at Vodafone Netherlands, enhancing communication capabilities.
• Executing security enhancements and threat modeling for internal products to bolster cybersecurity measures.
• Enhancing CI/CD pipelines and streamlining the product release process to improve efficiency and reliability.

• Metaswitch, now a part of Microsoft, has been at the forefront of delivering cloud-native, NFV-ready software products for next-generation telecom networks. In my tenure, I have played a key role in custom development.
• Architecting, developing, and implementing the Telephony Service Platform (TSP) for Teir1 operator Netherlands, encompassing a suite of services such as: o Emergency Routing (ERS) and Dynamic Routing (DRS) across both.
• Serving as a mentor and technical guide for tier 1operator's (UK) engineering projects, functioning as an embedded developer and utilizing the Metaswitch platform to construct a variety of network services.

Cambridge, United Kingdom

• OpenCloud, subsequently acquired by Metaswitch, was renowned for its cutting-edge software products tailored for telecom networks, grounded in the open standards of JAIN SLEE. My role involved spearheading custom.
• Engineering an SMS Gateway for tier 1 operator UK, enhancing messaging infrastructure.
• Developing and deploying Local Number Portability for tier 1 operator, facilitating seamless number transitions for customers.
• Implementing a robust Emergency Number Routing system for tier 1 operator, ensuring critical connectivity during emergencies.
• Creating and launching a Community Tone feature for tier 1 operator, enriching the user experience with personalized call tones.

New Delhi Area, India

• As the former CTO of Telemune, a software company specializing in telecom value-added services, I was responsible for their product roadmap development, leading the development team and driving technical strategy. In.
• Reengineered the technology infrastructure into a distributed, multilevel architecture, enhancing system resilience and scalability.
• Developed a service delivery platform for advanced call control and messaging services, significantly improving operational efficiency.
• Strategically integrated numerous open-source components to supplant third-party software, optimizing performance and reducing costs.
• Provided expert debugging, troubleshooting, and technical guidance, resolving critical issues and ensuring system reliability.
• Championed the adoption of agile software development processes, fostering a culture of agility and continuous improvement.

London, United Kingdom

• RedMatter, a product-centric company, specializes in providing SaaS telephony solutions for SMEs and professional individuals. The company offers a comprehensive suite of hosted voice services, including Hosted PBX.
• Engineered a distributed redundant file system utilizing FUSE (Filesystem in Userspace), enhancing data reliability and accessibility.
• Collaborated with the Freeswitch platform, an open-source softswitch, to develop essential internal modules such as voicemail, MRCP client, and CTI adapter.
• Created UniMRCP plug-ins for Loquendo, a renowned TTS and speech synthesizer library, expanding the system’s voice capabilities.
• Designed and implemented a billing platform using JBilling, an open-source billing system, to streamline financial operations.

New Delhi Area, India

• As the lead architect at Telemune, I was deeply involved in the end-to-end development and delivery of our product suite. Telemune embarked on its journey with CRBT for BPL Mumbai and expanded to provide a diverse.
• Crafting MAP, TCAP, INAP, and CAMEL user libraries to facilitate high-level abstraction.
• Engineering and deploying key applications such as SMSC, USSD Gateway, Welcome SMS, CRBT, Voice Mail & MCA, and IN Charging Gateway.
• Leading the development and presentation of several Proofs of Concept (POCs) to network operators, demonstrating Telemune’s capabilities.
• Authoring comprehensive technical proposals in response to RFPs, effectively communicating the value and technical prowess of our offerings.

Hyderabad Area, India

• Satyam Computer Services Ltd., which is now Mahindra Satyam, is a globally recognized consulting and IT services firm. I embarked on my professional journey as a Software Engineer at this company where my role involved:
• Providing troubleshooting and offshore client support for BSCS, a comprehensive BSS and OSS system for telecom operators.
• Managing and executing change requests, new feature development, and implementation and testing of the Online CDR collection system, enhancing data accuracy and billing processes.
• Overseeing change requests, new feature development, and implementation and testing of the Vendor Mediation system, streamlining interactions between customer care and HLR.
• Handling change requests, new feature development, and implementation and testing of the roaming clearing house system, ensuring precise encoding, decoding, and validation of TAP & RAP files for international roaming.