Sanjoy Das work email
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Sanjoy Das personal email
- Technical leader with proven track record to implement and deliver quality products on schedule.- Several years of software design & development experience.- Emphasis on High Availability, Client-Server architecture and system level infrastructure.- Ability to create innovative customer-focused architectures and turn these into products.- Skilled at analyzing and finding solutions to technical problems including performance bottlenecks.- Passionate about software quality, debuggability, maintainability, end user interface with focus on educating and mentoring others
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Sr Tech LeadCiscoCupertino, Ca, Us -
Senior Technical LeaderCisco Nov 2011 - PresentSan Jose, Ca, UsAs part of converged switching/routing OS team, worked on- Runtime defense (ASLR, XCHECK, etc) against vulnerability attacks- SELinux policy definitions- Trustworthy Systems to reduce attack surface- Serviceability infrastructure- Awarded 2015 Security Award at Cisco SecConAs part of Connected Energy Network BU, worked on ASR903 and CGR1000 platforms- Led design and development of a serial linecard on ASR903 and BinOS (IOS-XE).- Member of hypervisor based CGR1000 router (that allows application hosting on LINUX and IOS to execute on two virtual machines) team.- Designed and developed TCP/IP-based infrastructure that allows IOS to manage partner applications running on LINUX without re-compiling the applications.
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Technical LeaderCisco Sep 2007 - Nov 2011San Jose, Ca, UsHeld technical leadership role in architecting and maintaining High Availability, ISSU, system bring up of K5/K10 supervisor-based Catalyst 4500 switches running IOS and IOS-XE- Led design and development of High Availability for K10 supervisor-based Catalyst 4500 switches on Nova (IOS-XE).- Designed High Availability aspect of Catalyst 4500 Virtual Switch- Led design and development of several Layer 2 / Layer 3 High Availability clients.- Led design of several Nova features on Cat4K from serviceability, maintainability and ease-of-use perspective.- Led maintenance of In-Service Software Upgrade (ISSU) that maintained compatibility with 5+ years old release.
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Sr. Software EngineerCisco Mar 2005 - Sep 2007San Jose, Ca, UsLed design and development of In-Service Software Upgrade (ISSU) for Cat4K switchesWon Cisco Pioneer Award
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Sr. Software EngineerGemini Mobile Technologies Nov 2004 - Feb 2005Designed a configurable HTTP Proxy Server as a subcomponent of WAP Gateway for mobile handset
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Software EngineerTimesten Nov 1997 - Oct 2004Held technical leadership role in architecting Client/Server ODBC interface to TimesTen database engine on supported UNIX and Windows platforms- Architected the component based upon C/C++ source code from 3rd party.- Achieved up to 2X speedup by batching up network transmissions and pre-fetching data.- Developed two new IPC using UNIX domain socket and shared memory segment resulting in 40% speedup.- Analyzed and re-architected the code resulting in improved performance, 40% code reduction, and reduced maintenance cost.- Contributed to entire product lifecycle.Took initiative in multiple additional tasks to enhance and improve other parts of the product.- Completely re-architected peer-to-peer replication to achieve high availability and 30% code reduction resulting in significant drop in support calls from customers.- Corrected ODBC/C data conversion routines and provided an automated test tool to verify.- Ported product to 64-bit Windows and vxWorks.
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Software EngineerTracepoint Dec 1996 - Oct 1997Held multiple roles including member of HiProf development team, leading the technical support team, analyzing problems in binary-code instrumentation of customer applications to determine performance bottlenecks, demonstrating the product at trade shows, and taking part in pre-sales customer presentation
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Software EngineerSherpa Feb 1996 - Nov 1996Architected SherpaWorks product data management class library on Windows NT and Windows 95
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Software ConsultantS.W.I.F.T Feb 1994 - Dec 1995Developed ST200 financial message entry and transaction processing system, a magnetic card reader based security system, foreign exchange and batch transaction subsystem. Assisted developers on performance analysis and systems optimization, and interactively trained the development team.
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Software ConsultantHong Kong Bank Of Canada Feb 1993 - Dec 1993
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Software ConsultantS.W.I.F.T. Apr 1992 - Dec 1992
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Software ConsultantUnisys Apr 1987 - Mar 1992
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Software EngineerTata Unisys Limited Aug 1986 - Apr 1987
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Software EngineerOperations Research Group Jun 1985 - Jul 1986
Sanjoy Das Skills
Sanjoy Das Education Details
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Indian Institute Of Technology, KharagpurComputer Science And Engg
Frequently Asked Questions about Sanjoy Das
What company does Sanjoy Das work for?
Sanjoy Das works for Cisco
What is Sanjoy Das's role at the current company?
Sanjoy Das's current role is Sr Tech Lead.
What is Sanjoy Das's email address?
Sanjoy Das's email address is ab****@****bal.net
What schools did Sanjoy Das attend?
Sanjoy Das attended Indian Institute Of Technology, Kharagpur.
What skills is Sanjoy Das known for?
Sanjoy Das has skills like Unix, Operating Systems, High Availability, C++, Cisco Ios, Rtos, Distributed Systems, Client/server, Software Quality, Issu, Replication.
Who are Sanjoy Das's colleagues?
Sanjoy Das's colleagues are Sudha Dubey, Khoi Ngo, Latodd Cade, Wintrr Garcia, Christian Albertsen, Judy Lin, Namuddu Florence.
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