Subarna Bhattacharya

• Lead end-to-end technology delivery for the Agency Execution business across 70+ markets, covering US Equities, Futures, and Options on the DEC platform.
• Manage and mentor a local team of developers, business analysts, and FIX onboarding specialists, while collaborating globally (U.S., Paris, Lisbon, Singapore and India) to ensure 24/5 platform stability and alignment with U.S. business goals and global objectives.
• Key Achievements: Drive the end to end CME exchange connectivity migration, upgrading 97 connections (OMS, vendors, clients), resulting in 10% improvement in speed and performance, enhanced scalability, and a notable reduction in production incidents.
  Led the decommissioning of a legacy post-trade downstream data transmitter, replacing it with a modern, scalable solution—eliminating 10 obsolescence risks, enhancing regulatory reporting, and reducing maintenance costs by 40%.
  Drive the Automation of FIX client onboarding process using Automated testing tool VeriFIX, reducing onboarding time by 20% and increasing platform reliability.
  Partnered with FIA Tech vendor for Trade Data Network (TDN) implementation—a client-facing platform providing end-to-end trade lifecycle visibility. Led the successful delivery of TDN, enabling drop copy, cleared confirmations, and allocation workflows—a key enabler for onboarding T30 client.
  
  U.S. Equity Option CPM Expansion: Increased CPM coverage from 230 to 656, driving an estimated $2.5M–$3M in annual savings through improved efficiency, volume optimization, and expanded product coverage.
  
  

• Lead the U.S. Development team for Derivative Clearing platform, collaborating with global counterparts in Lisbon, Paris, and Mumbai to deliver a stable, scalable, and globally aligned platform.

Extensive front-to-back expertise across the commodity derivatives lifecycle—including front-office, middle-office, clearing, and regulatory systems—with a strong track record in designing and managing end-to-end clearing processes.

Delivered critical platform improvements: automated margin processing via the DECUS Cash Digitalization project.

Led the development team for U.S.-FCM merger project across 3 regions, and built a reconciliation tool delivering 45+ key reports across intraday trades, positions, fees, and margins.

Partnered with client service and business teams to onboard platinum clients onto BNP’s clearing house—providing integrated IT services for trade, risk, collateral, and reconciliation workflows—driving operational efficiency and enhancing client experience.

Built Client Dashboard for billing using Java, Python, Oracle, automating data processing.

• Responsible for full project life cycle development and support of a Core java multithreaded Linux based intelligent search application that connects to Oracle and MySql backend.
• Develop the front end pages using jsp,html,css for Knowledge Based tool.
• Implemented an ft-pipe line core java reporting module that includes different stages of processed articles like how many articles are fetched from different content provider, how many articles are filtered out in different stages, duplicates articles found and at end how many articles are finally send to the index server. Implemented convert the different format xml file into FTSearch generic format xml file using XSLT, XML and Java . Also convert pdf, txt file into FTSearch generic format XML.
• Technology: Java, JMS, XML, XSLT, JSP, MYSQL, Oracle 10g, Linux, shell script, python.

• Worked as an intern in NetWeaver Advanced Prototyping Design Research Team.
• Develop Prototype in Google Android Open Source Mobile Enterprise System. Sending personal SAP Alerts into Mobile phone and using SAP’s situational application platform “Eventus” resolve the issue. Create the “Eventus” task from Mobile phone and launch it into the browser. I added extra features like GPS, voice/video recording, SMS storage, camera functionality in the Android Mobile emulator.
• Technology: Google Android, Java, XML, CSS, HTML, Servlet, Netweaver 7.1, SAP Alert Management System

• Client: Metavante Corporation, Wisconsin, USA
• Develop retail banking product for “Metavante” financial Solution provider and providing banking solution to 250 banks.
• Metavante Consumer e-Banking is a comprehensive, cutting-edge Internet Retail banking product. CeB is web enabled Core Java based distributed system having n-tier architecture. It is highly scalable with high performance. Actively working with the following Modules: Stronger Authentication System for online banking login, Bill Pay Management System, Online banking Enrollment System.
• Technology: Java, python, Servlet JSP,JDBC, Unix ,Linux, Windows, SQL, Oracle 10 g, Applet, EJB, Java Script, Java Beans, Xml, Html

• Client : Scalable Network Technolgies,USA
• This project is about developing a world-class network simulation software networks. QualNet (product of SNT) is a powerful tool to efficiently test and roll out new networking technologies. This back-end engine is the fastest one on the market for real-time traffic modeling. It supports a large set of network protocols. The simulation allows you to run actual code on top of a simulated network stack. Simulator is extremely scalable, accommodating high-fidelity models of networks with more than 10,000 network nodes.
• Development and implementation for ODMRP (On Demand Multicast Routing Protocol) and run it over UDP protocol using C++ and shell script.
• Development of detailed Test Plan and Test Cases for ODMRP protocol.
• Researching the comparative study of UDP and TCP protocol.
• Technology: C, C++, Rational Purify, UNIX.