## BIO
**Professional Experience**
April 2009 - date NetTech India
1. Symbian OS development, iPhone apps, Android apps
2. FreeSwtich/Asterisk related development
3. Joomla, Drupal CMS for web design&
## Area of Expertise
**Operating Environment**
Symbian, iPhone, Android, NDIS, .Net, uClinux, VxWorks, FreeBSD UNIX, RedHat Linux, Windows NT4.0, Win2000, Solaris, GHS Integrity OS, Symbian, Mobile OS, J2EE, Design Patterns, Service Oriented Architecture (SOA), Content Mangement System
**Programming Environment**
C, C++, C#, Java, Tcl, Perl, NDIS, Visual C++, COM, .Net, Joomla, Drupal
**Networking Knowledge**
VoIP, SS7 ISUP, TCP/IP, MPLS, Martini L2MPLS, Unicast Routing, IGMP, DVMRP, PPTP, L2TP, ATM, Gigabit Ethernet
**Hardware / Platforms**
Blackfin, Thomson SH4 AP, Spectra INET, Agilent Routertester, QaRobo, Midnight Networks' ANVL, PC architecture, SUN Sparc Station, Apple MAC, iPhone
| July 2007 – April 2009 | **SoftDEL Systems Pvt. Ltd.** | Mumbai, India |
| | Sr. Developer
· **(VxWorks 6.3/RTP development/debugging, July 2007-Nov-2007, March 2008-May 2008)** Co-designed, developed and debugged maintenance mode state machine, gripper, catcher statemachines for z-loader component of FabEx controller (FEC) as part of the I-loader project for Aquest System’s FabEx manufacturing system. The z-loader VxWorks 6.3 executable communicates with a motion sensing device (MSD) using Magellan MC58240 chipset to control various movements of the z-loader as well as other hardware components attached to the z-loader (gripper plate, catcher etc).
<font size= "2">· **(Design/Embedded Linux – Dec2007 – June 2008)** Designed the python based communication interface by integrating C/C++ UNIX implementation of message queues with python. Implemented python/XML based weather client that talks to a dedicated WSDL server.</font>
<font size= "2">· **(Green Hills Software Integrity OS – July 2008-date)** Bug fixing of flash file system corruption, enhancements such as to fetch numerous network nodes to the DMS GUI in Checkpoint’s Emerald Electronic Alarm Surveillance (EAS) system based on BlackFin 536 processor.</font> |
| March 2005 – April 2006 | **Veraz Networks**
**Staff Engineer (Contract to Perm position)** | San Jose, CA |
| | <font size= "2">· **(SS7/Class 4 Soft switch – July 2005–December 2005, Solaris, Application Space)** SS7 ISUP feature development and bug fixing for various flavors of ISUP such as ISUP-ETSI-V1, ISUP-Russia, C7 and A7. The work was done mainly for the signaling gateway and call control elements of the soft switch.</font>
<font size= "2">· **(SS7/Sustaining – January 2006– April 2006, Solaris, Application Space )** Bug fixing and sustaining of the signaling gateway and call control element Veraz class 4 softswitch</font>
<font size= "2">· **(SS7/Scripting/Configuration –March 2005–July 2005, Solaris, Application Space)** Scripting, ISUP and PRI related configuration using INET Spectra.</font> |
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| March 2004 –Oct 2004 | **Thomson Electronics, **
**Multimedia Research Lab** | Princeton, NJ |
| | <font size= "2">· **(uClinux – May 2004–Oct 2004, firmware development) –** Developed hidden multiple SSID support to Thomson’s SH4 based 802.11g AP using Intersil’s FullMAC uAP driver and port access entity daemon (paed). </font>
<font size= "2">· **(uClinux – April 2004, firmware development)** Ported Conexant’s FullMAC uAP driver based on ISL3890 chipset from x86 environment to Thomson’s SH4 based Access Point running embedded linux (uClinux).</font>
<font size= "2">· **(uClinux – March 2004)** Tested and evaluated ISL3893 based WiSoC APDK and Conexant’s ISL3890 based SoftMAC driver for multiple ssid support.</font> |
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| Sept. 2000-April 2003 | **Agilent Technologies – Advanced Networks Division (AND)
**
<p style= "TEXT-ALIGN: justify; TEXT-INDENT: -0.25in; MARGIN: 0in 0in 0pt 0.25in; mso-list: l0 level1 lfo1; tab-stops: -1.0in list .25in" class="MsoNormal"><font size= "2">
**· (VxWorks/FreeBSD Protocol development, Application Space)** Designed and developed Martini L2MPLS protocol software for Routertester’s embedded slave. VPLS study</font></p> <p style= "TEXT-ALIGN: justify; TEXT-INDENT: -0.25in; MARGIN: 0in 0in 0pt 0.25in; mso-list: l0 level1 lfo1; tab-stops: -1.0in list .25in" class="MsoNormal"><font size= "2">**· (VxWorks/FreeBSD Protocol Development, Application Space, VoIP)** Tcl scripts, modified protocol stack as needed for VoIP SIPv1 client side protocol testing. Designed and developed RTP/RTCP support to extend the SIP functionality in the routertester. </font></p> <p style= "TEXT-ALIGN: justify; TEXT-INDENT: -0.25in; MARGIN: 0in 0in 0pt 0.25in; mso-list: l0 level1 lfo1; tab-stops: -1.0in list .25in" class="MsoNormal"><font size= "2">**· (VxWorks/FreeBSD Protocol Development, Application Space, PIM, IPv6)** Extended the COM/ATL layer and embedded VxWorks slave for multicast for PIM over IPv6 **(Routing protocols)** configure BGP, OSPF, ISIS in MPLS nodes and test BGP-MPLS, L2 MPLS and L2TP implementations.</font></p> | Andover, MA |
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