From:                              route@monster.com

Sent:                               Tuesday, June 14, 2016 5:17 PM

To:                                   hg@apeironinc.com

Subject:                          Please review this candidate for: IMS Integration

 

This resume has been forwarded to you at the request of Monster User xapeix03

woongjin lim 

Last updated:  01/07/16

Job Title:  no specified

Company:  no specified

Rating:  Not Rated

Screening score:  no specified

Status:  Resume Received


Lincolnshire, IL  60069
US

Mobile: 2243588580   
woongjin.lim@gmail.com
Contact Preference:  Email

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RESUME

  

Resume Headline: Resume woongjin lim 2015.12.18

Resume Value: hskx93qhmuq53d3g   

  

 


WOONGJIN LIMwoongjin.lim@gmail.com224-358-8580

Staff SW engineer – System SW SME in Engine team (2009 - 2010)

Analyzed, designed, developed and verified GPS/WPS requirement and carrier protocol requirement. Planned certification schedule and supported issue debugging. Collaborated with Qualcomm and 3rd party vendor.

·            Improved GPS performance by developing  and integrating WPS provider and 2nd SUPL algorithm in Android framework for SKT.

·            Contributed to launch 3 mobile devices on time by porting system SW to each HW target and developing China telecom, SKT, KT requirements including system determination, call processing, and data throughput for android device and pulled in certification schedule.

·            Improved SW quality by debugging panic and black screen IPC issue with Qualcomm and 3rd party vendor

Staff SW engineer – System SW in Engine team (2007 - 2009)

Analyzed, designed, developed and verified carrier protocol requirement. Planned certification schedule and supported issue debugging. Collaborated with Qualcomm, HW team and Carrier to launch new product on time.

·            Created True dual mode operation scenario(GSM,WCDMA+GSM,WCDMA, GSM,WCDMA+CDMA), developed  and integrated RIL/IPC/TAPI design for Data, SMS, Calling, SIM, and then Introduced new phone factor to China Unicom.

·            Developed and verified requirements and test cases for true dual mode communication operation.

·            Contributed to launch True dual mode device on time by collaborating with Qualcomm, HW, and China Unicom.

Senior SW engineer – System SW engineer in Engine team (2003 - 2006)

Ported Qualcomm SW to various target system. Analyzed, designed, developed and verified carrier protocol requirement. Support CDG, Carrier IOT/FT issue debugging.

·            Contributed to launch 5 feature phones on time by porting system SW to target HW and developing various carrier(China Unicom/ India TATA/US sprint) requirement. Involved developing CDMA/EVDO call processing, system determination, mode configuration, SMS, international roaming, authentication, Call supplementary service requirement and completed issue debugging of carrier certification

·            Provided factory SW binary with optimized parameters.

Gtran Korea, Anyang, Korea1999 - 2002

A Korean mobile device technology company

Junior SW engineer – System/RF SW engineer in System team

Developed mobile device system including RF interface, BSP, Flash memory, RAM, SIM. Developed RF calibration tool, flashing tool  and set up auto test procedure for factory manufacturing.

·            Contributed to launched 4 feature phone on time by configuration RF interface and porting BSP, SIM, MMU

·            Developed RF calibration tools and integrated RF SW interface feature for calibration (CDMA/GSM/AMPS) and achieved 50% reduction of calibration time consumption.

·            Supported to set up factory line for RF automation testing. Implemented RF auto test tool and optimized RF auto test procedure

 

 

EDUCATION

 

Master of Science (MS), Electronic Communication, Inha University, Inchon, South Korea

Bachelor of Science (BS), Electrical Electronic Engineering, Inha University, Inchon, South Korea

 

PROFESSIONAL DEVELOPMENT

Apr,2014   LTE and LTE-AdvancedR&S

Aug, 2012Android platform debugging skillMDS Korea

Apr, 2011Android application programmingBit Academy

Nov, 2010Embedded Linux device driver and Kernel portingMDS Korea

May, 2008AMA’s 5-Day “MBA” WorkshopAMA

Jul, 2007PMP(Project Management Professional)PMpia

Woongjin Lim

29 Cumberland Drive

224-358-8580Lincolnshire, IL, 60069woongjin.lim@gmail.com

www.likedin.com/in/woongjin

 

 

Enthusiastic System SW Engineer

Cellular Protocol stack and QC Modem expert & Embedded System SW & SW integration management 

Innovative expert in all facets of mobile device  development life cycle from  research, requirement and  design  through  development,  implementation, evaluation and maintenance. Collaborative problem solver who uses technical knowledge, project management and communication skill to resolve conflict across teams. Enthusiastic  engineer  who  consistently  meets  commitments  with integrity. Expertise in :

·            Cellular Protocol Stack/performance

·            Product integration management

·            Carrier Certification(VZW, AT&T, USC, Sprint ...)

·            Android RIL, Telephony framework

·            RF SW interface

·            Embedded System SW(ARM processor)

 

TECHNICAL PROFICIENCIES

Protocol:

LTE-A / LTE / HSPA / UMTS / GSM / CDMA / EVDO, VoLTE(IMS), SIP, SDP, RTP, TCP/IP, UDP, SMS, SIM, A-GPS, WPS, SUPL, IS801

Embedded:

ARM core, BSP, MMU, IPC, MIPI, GPIB, J-Tag, RS-232

Platforms:

Qualcomm MSM, Android framework, embedded Linux, RTOS(L4, REX)

Language:

C, C++, Java

Certification:

GCF/PTCRB/CCF, SFN/PTN, IOT, CV, Lab conformance, FT

Tools:

QXDM, QCAT, EFS-Explorer, QRCT, Wireshark, CMU-200, CMW-500, Agilent8960

 

PROFESSIONAL EXPERIENCE

 

Motorola Mobility, Chicago, IL, Seoul Korea2003 – 2015

American mobile device computer technology company

Staff Principal SW Engineer – Modem/System SW SME in integration Team (2013 - 2015)

Led modem/system SW integration part in product integration team. Planned modem/system integration, debugging and certification schedule, integrated carrier requirement, evaluated functionality, debugged modem/system issues. Collaborated with EE, RF, Quality, Factory team to deliver on time. Brought up modem/system and RF interface and evaluated modem/system functionality.

·            Got SFN/PTN and carriers' certification approval on time by configuring ATT and VZW network parameters based on carrier requirements, collaborating with RF team to resolve SFN/PTN issues, debugging LTE/LTE-A and VOLTE/IMS configuration issues and on site supporting for IOT, Lab conformance and GCF certification testing, debugging Field test issue including call/data performance and global roaming

·            Debugged Android telephony framework and RIL to resolve Carrier Verification cycle issues.

·            Provided initial base band processor SW to HW/RF team on time after integrating RF components and system control function based on HW schematics and RF requirements to Qualcomm bare modem SW(MSM8994 and MSM8926).

·            Received prize regarding technical achievement from SLT, recognizing System/RF/Modem SW achievements  and on time certification(SFN/PTN, GCF/PTCRB, Carrier IOT/Lab conformance, CV, FT)

Staff Principal SW Engineer – SW Product integration manager (2011 - 2012)

Managed the overall project health including requirements, schedule, risk, quality, resource, certifications and more. Drove and supported developing new carrier's features. Collaborated with Product management, HW, SW, Quality, and Factory for delivering on time.

·            Led and coached engineers to develop new carrier features(WiMax, Felica(NFC), Authentication) for KDDI, delivering on time

·            Prioritized all kinds of issue during developing and manufacturing cycle with Product management , EE, RF, QA and Factory team and collaborated to resolve issues and minimize side effects.

·            Delivered 3 smart phone to KDDI and USC, and 1 Tablet PC for KDDI on time by optimizing product validation, back-end schedule



Additional Info

BACK TO TOP

 

Current Career Level:

Experienced (Non-Manager)

Work Status:

US - I am authorized to work in this country for any employer.

Active Security Clearance:

None

US Military Service:

Citizenship:

None

 

 

Target Company:

Company Size:

Occupation:

IT/Software Development

·         Software/System Architecture

 

Target Locations:

Selected Locations:

US-IL-Chicago North

Relocate:

Yes