Surendra Reddy Akepati

                                                                                                            Mobile: +1 978 364 1073

PROFESSIONAL SUMMARY

Having 9+ years of experience in Software Design, Development and Testing of Embedded Systems Programming, Telecom Applications and Networking Protocols on Linux/VxWorks and Different Mobile platforms.

KEY SKILL AREAS

·   Experience on full software development life cycle and Iterative process model with strong skills which includes Embedded C, C++, Data Structures , TCL, Python and Perl Programming in Embedded Systems software for telecommunication systems

·   Good experience in various Mobile Platforms( Motorola P2K, CELinux,  SHP, Android, Maemo & MeeGo)

·   Having good experience in developing Network applications using Socket programming

·   Having good knowledge on compilation of kernel code and preparing kernel images to bring up Target boards

·   Having good knowledge on data centric wireless ,wired and Optical technologies like GSM, UMTS, 3G, LTE , CDMA FemtoCell, VOIP, SIP, IMS, DIAMETER, ENUM/DNS, WiMax , FTTP BPON and GPON Systems

·   Having strong exposure on Linux Internals, IPC, Multithread and Socket programming

·   Having good exposure on Browser, GStreamer, Web Services using REST & SOAP APIs

·   Familiar with debugging tools such as Gdb, Valgrind and JTAG

·   Having work experience in system, functional, unit testing

·   Extensive experience in Configuration Management tools Clear Case, CVS, GIT and Perforce

·   Exposure and good knowledge on Scrum, Agile environment,Clear Quest and SPDM

·   Having good knowledge on Real Time Operating System (RTOS)

·   Excellent communication, analytical, debugging and presentation skills with ability to work both in a team and individually

 

ACADEMICS

·   Bachelor of Technology in Electronics and Communication Engineering from Jawaharlal Nehru Technological University, Hyderabad in year of 2004

 

TECHNICAL EXPERIENCE

LANGUAGES	Embedded C, C++, Data Structures,TCL, Perl and Python
DOMAIN & TECHNOLOGY	Wireless, Wired and Optical Tele Communication Protocals, 2G,3G, LTE, WiMax, IMS,TCP/IPNetworking, VOIP, SIP, RTP, RTCP, SGSN. FTTP GPON and BPON Systems
OPERATING SYSTEMs	Linux, LiMo, P2K, Windows Mobile, Embedded Linux, Android,  MeeGo/Maemo, Vx Works, Proprietary Operating Systems and CELlinux
TOOLS & UTILITIES	Make, Archive,  gdb, source insight, Cscope, Ctags,SIPP, Clear Quest , Ethereal,GCC ,Valgrind, Gcov,CDETS, PRRQ , DDTS,RPC, Display Data Debugger Motorola Injector Tool, Scrum, Radiocomm, RSD  Lite,  Klocwork, C++ Test, IXIA,Abacus,Wincom, Microsoft Visual Studio 2005,GNU,WindRiver
Version Control	Clear Case, CVS, Git, SubVersion, BitKeeper and Perforce

 

 

WORK EXPERIENCE

Company: Tech Mahindra Inc            Nov 2013 – Till Now

Client: ARRIS Group Inc, Lowell, MA

Role: Developer

Project Title : FTTP BPON/GPON Development & Integration

Team Size: 8

Project Description: GPON system (Gigabit-capable Passive Optical Network.) or Giga PON – Gigabit

PON users new Generic Encapsulation Method (GEM) transfort layer that supports ATM,Ethernet

and TDM data transfot. As defined in ITU-T Recommendations G.984.x, The management and

control Interface(OMCI) the model of exchanging information between OLT and the ONT. The OMCI

protocol runs across a GEM connection between the OLT controller and the ONT controller over PON

Responsibilities:

·   Designed and Developed RFC 3311 UPDATE feature and RFC 3261 Compliance VOIP CLI’s of AXS2200 product includes OLT’s and ONT’s [ONT 1000V, 1000M3, 1400GT2].

·   Involved in bug fixing and CR implementations in AXS2200 BPON/GPON product in the area VoIP and different ONT’s

·   Involved in bug fixing in MIB,SNMP and ONT management and service configurations Modules

·   Guiding & supporting testing team for test plan in the field issues and code reviews

·   Performed unit testing by executing the necessary test cases, fixed the issues encountered during testing

·   Maintain and update weekly and monthly status meeting with onsite team members

Environment: C, RTOS(Vx Works), Motorola AXS1800/AXS2200, Clear case, Abacus, Clear Quest

 

Company: Tech Mahindra Inc        March 2012 – Oct 2013

Client: CISCO

Role: Developer

Project Title : SITT-SGSN ( Scalable Intensive Test Tool )

Team Size: 6

Project Description: SITT-SGSN is One stop solution for entire SGSN product test life cycle i.e. functional, capacity as well as load testing SITT is a traffic load generator, for load, stability and capacity testing of GPRS core network elements (SGSNs and GGSNs).

SITT-SGSN simulates the following interfaces pertaining to the packet core network:

1.                      Gb interface between BSC and SGSN (Gb over Frame Relay and Gb over IP)

2.                      Gr interface between HLR and (2.5G and 3G) SGSN (over SS7)

3.                      Iu interface towards RNC (Iu-c over ATM, Iu-u over ATM, Iu-u over Ethernet)

4.                      Gi interface (SITT includes a payload reflector in the Packet Data Network)

5.                      Gn interface between GSN nodes

Responsibilities:

·   Resolving customer defects and enhancements of the product

·   Requirement analysis, HLD  preparation, development and unit testing

·   Bug fixing, feature enhancement  and customer support

Environment:   C, C++,TCL Scripts, Python, CISCO ASR5K, Clear case

 

Client: AIRVANA , Chelmsford MA                                        April 2011 – Feb 2012

Role: Developer

Project Title : Airvana C4K Femto Cell Device

Team Size: 8

Project Description: Airvana’s CDMA Femtocell Access Point (FAP) is a home base station designed to provide high quality mobile broadband service in indoor environment. FAP supports CDMA-2000 1xRTT and 1xEV-DO service to enhance user experience over wireless access terminals (AT). With FAP in equation, many wireless operators increasingly feel need for a combined FAP, ATA and Router integrated solution.

Responsibilities:

·   Understanding existing Airvana FSM framework

·   Design and implementation of ATA& Router TR-104, TR-98 MO’s and WebGUI with Airvana management framework

·   Integration of SIP stack with Airvana C4K ATA device

·   Resolving SIT  and Customer defects of the product

Environment: C, C++, SIP, sipp, gdb, Clear Case, Clear Quest, Linux

 

Company: Samsung India Software Operations Pvt Ltd           April 2009 – Nov2010

Role: Developer

Project Title : AT&T Address Book Subscription and REST based Yellow Page Web Services

Team Size: 3

Project Description: AT&T Address Book (AAB) web services provide the ability to initiate subscriber for mobile terminals and REST based Yellow Pages and TeleNav Map Web Services extends the functionalities of AAB .

Responsibilities:

As a Team Member responsible for the following:

·   Involved in design and implementation of web services framework

·   Requirement analysis, High level Design and Low Level Design preparation of AAB.

·   Coding , review, customizing and testing

·   Implementation and testing of JSON parser and Yellow Pages and TeleNav Map Web Services

·   Bug fixing, feature enhancement  and customer support

·   Visited US for commercialization for AT&T and got technical acceptance for Samsung CRUNCH and Rugby2 models

Environment:    C, C++, xml, Perforce, Klocwork, C++ Test, Linux, SHP, NXP

 

Company: Samsung India Software Operations Pvt Ltd      July -2008 - March -2009

Role: Developer

Project Title : IMS Presence

Team Size: 6

Project Description: IP Multimedia Subsystem (IMS) provides a framework and building blocks for building advanced telecom services. One such service is network wide publication and subscription of presence information. Users can subscribe to presence information for their contacts. If the contact accepts their request, the subscriber will be registered for presence notification. Whenever the friend publishes presence information, the IMS presence framework will notify the subscribed users.

Responsibilities:

•   Understating the existing IMS Architecture
•   Involved in requirement analysis, design document preparation of IMS Presence Enabler
•   Coding, reviewing, customizing and testing the project
•   Involved in bug fixing and customer support
•   Commercialization for T – Mobile and AT&T Clients

Environment:   C, C++, Python, Clear Case, SIP, DIAMETER, ENUM/DNS, wireShark,  Klocwork, C++ Test, Platform: Linux, SHP

Company: TATA ELXSI LIMITED                                     Spet-2007 – June-2008

Client: MOTOROLA, Bangalore

Role: Developer

Project Title : Motorola Internet Browser (MIB)

Team Size: 5

Project Description

The Access services module provides communication services to enable access to the Internet and the communication services include WAP, HTTP. Each of these protocol stacks is designed to provide entry points to applications at various layers however applications will only use the Fetch Agent and Push Handler APIs in this release.

Responsibilities:

·   Design and implementation of WAP Push services SL, SI URL and Text message size increased feature

·   Design, Coding, writing test plans and preparing documentation

·   Design and executing test cases for integration and functional testing of the product

·   Bug fixing and customer support

·   Involved in automation testing and continuous integration of the product

Environment:    C, C++,Clear Case, Klocwork,  Motorola Injector Tool, Radiocomm, RSD Lite,

Linux,P2K

 

Company: Sasken Communication Technologies Pvt Ltd           Nov 2006 – Sept 2007

Client: Infineon

Role: Developer

Project Title : Session Initiation Protocol (SIP)

Team Size: 8

Project Description: Session Initiation Protocol is the IETF protocol for VOIP and other text and multimedia sessions, like instant messaging, video, on-line games and other services. SIP is an application-layer control protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences.

Responsibilities:

·   Involved in Requirement capturing and low level designing

•     Development of a feature and Preparing documentation

·   Design, Coding and Unit testing

·   Bug fixing and resolving the customer found defects in the modules such as Registration Manager, SIP Stack

Environment: C, SIP, GDB, Clear Case, Linux, VxWorks

 

 

Company : Sasken Communication Technologies Pvt Ltd       Jan 2006 – Oct 2006

Role: Developer.

Project Title : Wireless MAN (IEEE 802.16)

Team Size: 12

Project Description: This is a MAC layer protocol.  This is divided into two parts namely Convergence Sub layer (CS) and Common Part sub layer (CP).The CS is the intermediately layer for the CP and the upper network layers which could be either ATM and TCP/IP stack. The CS provides any transformation or mapping of data of the upper network to the MAC CP by suitable service data units through the MAC Service Access Points (SAP) s. The MAC CP provides the core functionality of system access, connection establishment, connection maintenance, bandwidth allocation.

Responsibilities:

·   Involved in Requirement capturing and low level designing

•     Development of a feature and Preparing documentation

·   Design, Coding and Unit testing

Environment: C, GDB, CVS, gnu compiler, Linux, VxWorks