N MURUGESAN
Technical consultant from May-2009 to Aug-2023
B.E COMPUTER SCIENCE
Opensource: [email protected]
Experience: 13+ years at IT
C C++ Linux UNIX AIX SunOS HP-UX CYGWIN_NT MINGW
a. g++.exe/CC/cc/xlC/g++/aCC C++/C Compilers at all Operating Systems(OS)
b. -lrfcsdk/-lnwrfcsdk SAP IDOC files library
c. make/gdb.exe/gdb/dbx -g -O3 Compile/debut at all OS
d. openssl.exe speed -multi 900000000 => open source bug 2004
e. openssl speed -multi 900000000 => open source bug fix 2018
Summary
SENIOR IT/TECHNICAL CONSULTANT/TEAM LEAD having 13+ years of experience to work with a product/release-based IT company which used to promote product quality and services using TCP/IP/SSL oriented protocols, learning knowledge management and approvals across the world using OPENSSL security.
Professional summary:
• Integrated multiple products across all platforms (Linux/HP-UX/SunOS/AIX/Cygwin) to work with business owners and clients when required.
• Develop/resolve the enhancements/bugs using common data history including related approval for each developer before applying the changes/enhancements.
• Experience in handling team work, knowledge transfer, documentation, automation using C++/C/debugger/gdb.exe/gdb/dbx/shell script based on required operating system on time.
• Received Award of Excellence in Q2 for excellent contributions in the C++ and C product release.
• Obtained appreciation on:
• Resolving application due to segmentation crash using debugger at all operating systems.
• Knowledge transfer across the world and obtained four certificates.
• Implemented shell script which was invoked by few lines python code for automation.
• Remote logon from one OS to other OS using automated shell script
• Porting an application from Linux to windows within 1.5 month using Cygwin.
WORK EXPERIENCE:
Enterprise Resource Planning(ERP)
01. Handle finance products for transfer of money using sftp
02. (C and C++ at all operating systems)
03. Handle bug report and fix based on priority, new SAP IDOC enhancement, documentation
04. team work (30 members) and svn.
05. AIX 7.1 FTP enhancement using updated openssl using sftp.
SAP_RFCSDK
SAP_NWRFCSDK
OTX
TCP/IP
UDP/IP
HTTP
HTTPS
SFTP
ERP product having:
EDI/IDOC multi language files support to buy items at shopping
01. sftp to support trading partner actions to send/receiving money Cleared all bug fix from 2005 till 2007
02. Initially test team were there.
After few years testing team for our ERP product has been moved to test other teams
Reason: my good factor at development and testing at all OS.
03. Good documentation using integrated development authorization
This supported future team to handle our product using IDA document search
instead of using network search
04. Handled remote functions using RFCSDK/NWRFCSDK (SAP) libraires to use *.idoc files.
05. Example test:
remove all memory leak
06. Release a bug binary using +O3(HP-UX) option
wait for server to go down, take a backup and update binary
send a mail to that particular client
client submitted that(edi) file
Replace and restarted original binary
Found the issue due to for loop having invalid conditional checking
This happened only due to that particular edi file alone.
07. Transferred ERP to Windows using CYGWIN at windows.
08. Created depot at HP-UX using opensource including openssl/openssl.exe at Windows.
09. 53 teams used to release product
1. Completed onboarding, Induction process and all assessment process
2. knowledge management and related documentations.
3. Status report using SSL security including emails.
SSL protocol
Windows SSL
using:
Makecert.exe
Certutil.exe
Pvk2Pfx.exe
AXUtil.exe
ldd.exe
dumpbin.exe
BIDRECTIONAL KNOWLEDGE TRANSFER.
SSL axutil and Makecert to handle SSL Authorization and data engine product.
IDA documents.
Automation to create SSL certificates and license key files using batch file.
Shared documentation at bug reports related steps before and after bug reports from developer side.
1. Parsing mobile recharge usages at database from ALTAN.
2. Handling team work using dynamic library to upload/receive receipts
using C++ program at Linux
3. Release updated code on time
4. svn usage to approve updated enhancement.
5. Team member (4 members) rewards and team shares.
6. Using common make to compile using PROC C++ and C,
including debugger.
TCP/IP protocol
using opensource libraries:
libcurl
libssl
libcrypto
Included wrapper class to parse user input for new post paid requirement
Included libcurl library enhancement supporting SSL certification versions at https/external at client/server.
Handling IDA documentation and the team work.
Shared gdb/vim/make/Makefile documentation to the team
SONATA
24950
TECHNICAL CONSULTANT
Fri 28-Apr-2023 to Thu 17-Aug-2023
PLINTRON/QUESS LYCATECH
C025
TEAM LEAD
Thu 22-Sep-2022 to Mon 24-Apr-2023
COGNIZANT(ESLABS)
2012126
SENIOR MANAGER

Tue 09-Mar-2021 to Fri 31-Dec-2021
ACCENTURE: TEAM LEAD
Mon 30-Dec-2013 to Tue 31-Dec-2019
VISOLVE/SENAS.NET
SNT/HRS/1213/OH/1748
TEAM LEAD
Mon 05-Aug-2013 to Fri 27-Sep-2013
GLOBAL EXCHANGE SERVICES GXS/G.E
1229
SENIOR SOFTWARE ENGINEER
Fri 08-May-2009 to Fri 02-Aug-2013
Skills: C++, C, openssl, HTML version4/and basic javascript, common Makefile, valgrind, gdb/dbx/gdb.exe, bash.exe, bash, mksh.exe and ksh shell scripting.
Certifications:
01. Certified Linux Guru 02. Certified Expert 03. Certified Linux Master 04. Certified Shell Scripting.
05. Received (OS Master and IT knowledge transfer) ten certificates due to my knowledge transfer to persons across the world and for new joiners.
BUG FIX AT OPENSOURCE CODE openssl/g++/gcc during 2004,2018 and 2023.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94810 std::cout segmentation fault in __attribute__((constructor)) function g++ 13 resolved
https://github.com/openssl/openssl/pull/6322 openssl archive for one of the bug fixes
https://openssl-dev.openssl.narkive.com/RYmuCP1T/openssl-org-906-re-re-openssl-pkcs8-in-rsakey-topk8-v2-rc4-problem
https://markmail.org/message/wnvy75yf6vhyuhnw openssl archive for multiple bugs reported
Fri 03-Feb-2023
Mon 21-May-2018
Wed 17-Mar-2004
Wed 25-Feb-2004
EDUCATION DETAILS
Qualification College/School Year Percentage
BACHELOR OF ENGINEERING COMPUTER SCIENCE, GOVERNMENT COLLEGE OF TECHNOLOGY, COIMBATORE TAMINLADU INDIA 1999-2003 72.70%
HIGHER SECONDARY XII SRI VIJAY VIDHYALAYA MATRICULATION HIGHER SECONDARY SCHOOL, DHARMAPURI TAMILNADU INDIA 1998-1999 92.75%
MATRICULATION 1996-1997 82.36%
Personal details:
Passport No NOT SHARING AT PUBLIC SITE(SSL) Last job location Bengaluru (work from home)
for Bengaluru project.
Notice period IMMEDIATE JOINER Languages (Speak/Read/Write) English and Tamil
Immediate Joining Yes. Languages Read Hindi and Kannada
House address No. 974 L.I.G, SATHYAGIRI NILAYA, SURYANAGAR, JIGALA ROAD, BLOCK 03, PHASE III,
BENGALURU URBAN 562107
KARNATAKA
INDIA
Expected CTC: I ALWAYS USED TO AGREE THE TERMS AND CONDITIONS FROM RELATED HUMAN RESOURCE TEAM.
My Hobby
01. MAINTAINING http://www.geocities.ws/murugesan where I add information on financial advice, bugs I faced while using third party tools and ways to fix them.
02. SOAP(like simple object access protocol) CARVING
03. PIXELS using TurboC++
I hereby state that all the information provided above being true to the best of my knowledge.
Regards,
N.Murugesan
Site developed and maintained by Murugesan Technical Enterprise knowledge transfer solutions © 2003 to 900000000/0(infinite). All rights reserved. PrivacyPolicy