Software Developer @ Beximco Computers Ltd. Development of Banking software using Visual FoxPro on Windows. From 1996 to 1997 (1 year) Dhaka, BangladeshTelematics Lead Software Architect @ General Motors Delivered multiple GM telematics products as a Lead Software Architect with the expertise in the following area:Automotive Connectivity, Autonomous driving, Software Architecture, Systems Requirements, wireless protocol, Modem software,...
Software Developer @ Beximco Computers Ltd. Development of Banking software using Visual FoxPro on Windows. From 1996 to 1997 (1 year) Dhaka, BangladeshTelematics Lead Software Architect @ General Motors Delivered multiple GM telematics products as a Lead Software Architect with the expertise in the following area:Automotive Connectivity, Autonomous driving, Software Architecture, Systems Requirements, wireless protocol, Modem software, CAN, Diagnostics, Cyber Security, Safety, Emergency Response Systems [eCall / ERA], OnStar, Ethernet, Wifi, GPS, Linux, QNX, TCP/IP and DFSS black belt. Greater Detroit AreaPrinciple Staff Engineer @ Motorola Mobility / Lenovo Delivered modem such as LTE, GSM, UMTS, CDMA, HRPD and EHRPD for Motorola Mobility cell phones, as key participant in modem protocol integration team. Technical Expert in Modem Functionality.• Reviewed QXDM logs to determine source of defects, fix and / or drive QUALCOMM to fix defects, and wrote white papers for network operators. • Designed and implemented software to customize and enhance modem experience.• Delivered revenue blocking solutions such as fix NFC chipset crash on the eve of shipping acceptance. • Key participant in system level discussions, providing test support from modem, discussing risk analysis of defect fixes, in collaboration with cross-functional components.• Supported the following modem functionalities: Call Processing (CP), Supplementary Services (SS), Short Messaging Services (SMS), Session Management (SM), Connection Management (CM), Non Access Stratum (NAS), SIM (UICC – USIM, CSIM, ISIM), SIM Toolkit (STK, CAT or USAT), SIM APDU, embedded SIM, SIM Authentication, Ciphering and Integrity Protection, Operator Naming Service, IPV4, IPV6, Roaming, GCF Tests, Carrier Activation, Radio Resource Controller (RRC), Radio Link Controller (RLC), Voice over LTE (VOLTE), IP Multimedia Subsystem (IMS) and Session Initiation Protocol (SIP).• Participated in system level discussions including Network Components such as: eNB, MME, MSC, SGSN, GGSN, PDN Gateway, HSS (HLR) and VOLTE network components.• Participated in many testing efforts using network simulators, such as: Agilent, Anritsu, Spirent, Anite and IT3.• Real time embedded modem software development using C on QUALCOMM RTOS and using QUALCOMM chip-sets, such as: 8960, 8x26, 8939, 9625 and 8916. From 2013 to October 2015 (2 years) ChicagoPrincipal Staff Engineer @ Motorola Mobility / Lenovo Technical Lead /ANDROID QUALCOMM Vendor RIL Software Development/ Integration Team• Provided technical leadership role in defining architectures and interfaces, driving modem functionalities and meeting carrier requirements. • Implemented requirements and fixed many defects based on internal and external testing.• Facilitated team understanding of design and implementation, discussed with modem chip-set vendor QUALCOMM, to meet requirements and define time table for prerequisites.• Provided innovative solutions to reduce modem and WIFI power to support FCC requirements.• Led data connectivity and data stability improvement project by automatically raising defects when modem detects such an issue and drive fixing those defects with QUALCOMM and internal teams.• Led SE13 (PLMN) table consolidation and configuration project and dictate requirements and implementation to QUALCOMM and internal teams to deliver the functionality.• Multi threaded, socket based software development using C and C++ on Linux From 2011 to 2013 (2 years) Libertyville, ILSenior Staff Engineer @ Motorola Mobility / Lenovo Delivered modem such as LTE, GSM and UMTS software for Motorola Mobility cell phones, as participant in modem development team.- Integration Technical Lead/Initial Motorola LTE Modem• Defined interface, requirements and design, and interpreted 3GPP specification for LTE requirements.• Delivered the first industry LTE device on Verizon Networks, as a key participant. • Delivered the first Motorola IPV6 solution for LTE devices as a personal contributor. Facilitated understanding of IPV6 testing within Motorola and external test teams.• Technically led a small team. Monitored schedule and progress of coding in implementing LTE protocol stack software.• Participated in system level discussions including Network Components such as: MME, eNB and PDN Gateway.• Implemented the following modem functionalities: Session Management (SM), Non Access Stratum (NAS) REG, SIM (UICC), IPV4, IPV6, default and dedicated bearer, QoS and Packet Classifier.• Embedded software development using C and C++ on Linux.- Modem Software Development/ TI Neptune Chip-sets• Mapped internal requirements to TI modem implementation and drove TI modem team to implement requirements.• Real time embedded modem software using C and used Lauterbach / Trace32 to debug extensively during software testing.- Modem Software Development/Motorola Freescale chip-sets• Designed, implemented and tested software components in GSM and UMTS modem such as Call Processing (CP), Supplementary Services (SS), Short Messaging Services (SMS), Session Management (SM), SIM (USIM) and SIM Toolkit for Linux Java platform.• Multi threaded socket based software development using C/C++ on Linux. From 2006 to 2011 (5 years) Libertyville, ILQuality Control Engineer @ Motorola Malaysia Quality control and on site technical support for telecom operator Maxis, Malaysia.• Reduced CR backlog and improved customer satisfaction and collaborated with global Motorola GSM Base Station groups.• Met Maxis Malaysia network team to provide status and collect feedback and provide technical support. From 2005 to 2005 (less than a year) Kuala Lumpur, MalaysiaSenior Software Engineer @ Motorola Networks Delivered GSM GPRS functionality, as participant in Base Station Software Development team. • Led Network controlled cell reselection, and Packet Broadcast and common control channel (PBCCH/PCCCH) functionalities.• Developed large scale real time embedded software for GPRS Packet Control Unit in Base Station system. • Analyzed requirements from 3GPP specs and performed high level, low level design, coding, test design and test execution.• Shared in integration effort with base station controller (BSC), base station, SGSN, and operations and maintenance center (OMC) software components.• Key participant in software components such as device management, key performance indicator (KPI) collection, packet processing, cell reselection, packet broadcast control channel, and RLC/MAC and GB protocols.• Real time embedded software development using C on VxWorks. Used Wind River VxWorks Simulation tools to execute testing. From 1998 to 2004 (6 years) Arlington Heights, IL
Beximco Computers Ltd.
1996 to 1997
Telematics Lead Software Architect
Greater Detroit Area
Motorola Mobility / Lenovo
Principle Staff Engineer
2013 to October 2015
Motorola Mobility / Lenovo
Principal Staff Engineer
2011 to 2013
Motorola Mobility / Lenovo
Senior Staff Engineer
2006 to 2011
Quality Control Engineer
2005 to 2005
Kuala Lumpur, Malaysia
Senior Software Engineer
1998 to 2004
Arlington Heights, IL
What company does Tarik Mahmood work for?
Tarik Mahmood works for Beximco Computers Ltd.
What is Tarik Mahmood's role at Beximco Computers Ltd.?
Tarik Mahmood is Software Developer
What industry does Tarik Mahmood work in?
Tarik Mahmood works in the Automotive industry.
Enjoy unlimited access and discover candidates outside of LinkedIn
One billion email addresses and counting
Everything you need to engage with more prospects.
ContactOut is used by
76% of Fortune 500 companies