Front End / QA tester/ telecom/ python / sql /no sql /cloud

Eamil:*******.*********@*****.***

Phone: +1-832-***-****

SITHI RAIHANA SAIFULLAH

Front End Developer

Telecommunication Testing

Network Management System (NMS/EMS)

GSM OMC UMTS FemtoCell

Shell Scripting HTML5 CSS3 Java Script Python Expect

jQuery React Angular

Linux/Unix Solaris VxWorks

Clearcase CVS Git

SUMMARY

●Experienced and versatile professional with a total of 12 years in the IT and telecommunications industry, comprising 6 years as a Front-End UI Developer and 6 years as a Telecom Tester, Support Engineer and Telecom Developer specializing in 2G/3G mobile technology

●Demonstrated ability to translate design concepts into fully functional websites and web applications

●Extensive experience in developing web pages using HTML/HTML5, XML, DHTML CSS/CSS3, SASS,LESS, JavaScript, React JS, Redux, (1.X) jQuery, JSON, Node.js, Ajax, JQUERY Bootstrap.

●Good Expertise in analyzing the Document Object Model (DOM) Layout, DOM Functions, and JavaScript functions, Cascading Styles across cross-browser using Chrome Developer Tools.

●Good working experience in libraries like React.js - State/Stateless, Hooks, controlled and container Components.

●Skilled in troubleshooting, debugging, and ensuring the quality and reliability of telecom systems through rigorous testing methodologies.

●Extensive experience in telecom protocol testing, with a deep understanding of GSM/GPRS,,UMTS, FemtoCell and Protocols such as SS7,SNMP

●Exposure to Object oriented Software Development with process like waterfall, Agile methodologies

●Programming language skills including C, C++ and Python

●Functional expertise includes Network Management Systems (NMS/OMC), OAMP (Operation, Administration and Maintenance), Call Processing, Mobility Management, Software upgrade and Supplementary Services in Femto Gateway

●Expertise in Linux Operating System, Solaris and VxWorks

●Comprehensive expertise in all phases of SDLC including Requirement gathering, Analysis, Estimation, Solution Design, Software Development and Testing/Quality Assurance.

●Excellent Communication skills and Motivated, Committed and Dynamic Team Player, enthusiastic and self driven

CORE COMPETENCIES

Programming Languages

C, C++,Python,JavaScript,HTML5,CSS3

Other Web Technologies

Node.js, React, JSON, XML, AJAX,jQuery,TypeScript

Protocols

SNMP,SS7 (ISUP, SCCP, TCAP), TCP/IP, GSM, UMTS

Network Protocol Analyzers

Wireshark, Ethereal

Tools

RoseRT, Purecov, Enterprise Architect, Exceed

Bug Tracking tools

Bugzilla, TeamTrack, Sablime, Quality Centre

Operating Systems

UNIX/Linux, Solaris, VxWorks,Windows

Version Control Tool

Clearcase,CVS,Git

Methodologies

Waterfall,Agile

Hardware

Sun Fire V880, Sun Fire V490, Sun Blade 150, Ultra 25,Sun Netra X4250, ATCA

Scripting Languages

Shell Scripting, Expect, TCL,Python

Documentation

MS Word, MS Excel

IDE’s /Editors

Python IDLE, IntelliJ, Eclipse, Visual Studio code,Notepad++

Databases & Warehouses

MySQL,MS-SQL Server, SQL Server, MS Access,.

Career Profile

● Worked for NRG Reliant, Houston from Aug 2021 to till date as Front End Developer

● Worked for Winston Solutions, INDIA from Nov 2014-Oct 2017 as Junior UI developer

● Worked for Alcatel Lucent, India from Sep 2009 to Nov 2012 as Lead Test Engineer.

●Worked for NetCentrex Comverse IP Communications, India from May 2009 to Aug 2009 as Senior Test Engineer.

●Worked for Alcatel Lucent, Romania from May 2007 to Apr 2009 as Senior support and Test Engineer.

●Worked for Lucent Technologies, Germany, from Nov 2006 to Apr 2007 as a Test Engineer.

●Worked for Lucent Technologies, India from Jun 2005 to Sep 2006 as a Software Developer. The job involved complete Software Development cycle (Agile Methodology).

PROJECT SUMMARY

NRG Web Page -ESID lookup feature

NRG Reliant, Houston, TX Aug 2021 - Feb 2024

Role: Web developer

Responsibilities:

●Led the development of the NRG web page with an ESID lookup feature for streamlined customer access to electric service information.

●Implemented the frontend using React.js, leveraging states, hooks, and the context API for efficient state management and global application state handling.

●Developed reusable components and integrated with backend APIs using Node.js and Express.js for handling ESID lookup requests and retrieving data from MongoDB.

●Ensured data security by implementing authentication and authorization mechanisms using JWT for secure user authentication.

●Conducted rigorous testing, including unit tests and end-to-end tests, to ensure reliability and performance.

●Provided ongoing maintenance and support, including bug fixes and feature enhancements, to continuously improve the user experience.

Environment: HTML 5, CSS3, JavaScript, Bootstrap, Ajax,React.js,Node.js, SQL Server, XML, XSL, XSLT, JSON, Git hub, Restful API,MongoDB.

DSIG IT Solutions Hyderabad, India Nov 2017 – Feb 2019

Role: UI Developer

Responsibilities:

●Developed GUIs for single-page applications (SPAs) using JavaScript, HTML5, DOM, AJAX, CSS3, and AngularJS,Express.js and JSON

●Designed UI architecture and contributed to wireframes and mockups.

●Developed and web applications and front-end screens and tested using HTML5, CSS3, Bootstrap, and React.JS and AngularJS, NPM, and Redux components

●Worked with React.js components, forms, events, routing, animations, and Flux.

●Managed CRUD operations and database interactions with MongoDB and Node.js and implemented REST APIs using the Bottle micro-framework and MongoDB

●Conducted unit testing with Karma.

●Employed GitHub for version control and adhered to agile methodologies.

●Collaborated with architects and back-end developers to enhance functionality and introduce new features.

Environment: HTML5, CSS, AJAX, Angular 2, Angular JS, Bootstrap, Mongo DB, Subversion, Karma,

JavaScript, Web services, XML, JSP, GitHub.

Winston Solutions, INDIA

Role : Jr. UI Developer Nov 2014-Oct 2017

Responsibilities:

●Designed and developed standardized web applications using HTML, DHTML, XHTML, CSS, and JavaScript,jQuery, JSTL, DOM layout

●Implemented Bootstrap for effective web design and responsiveness across various devices and platforms and utilized jQuery plugins to enhance user interface functionality.

●Gathered requirements for business development purposes.

●Followed Agile methodology for requirement gathering and deployment.

●Conducted unit testing and end-to-end testing across different browsers and devices.

●Collaborated closely with business users and developers to resolve issues efficiently.

Environment: HTML, CSS, JavaScript, Redux, JQUERY, Bootstrap, JSON, AJAX.

Femto Mobility Gateway, a Femto Network Element

Alcatel Lucent, India Sep 2009 to Nov 2012

Role:Lead Test Engineer

Responsibilities:

●Installed, customized, and integrated FMG with Femto management systems.

●Developed and reviewed test strategies, plans, and reports, system requirements, architecture, and design documents.

●Conducted various tests including inventory, alarm, fault handling, and configuration management, software upgrades, data migrations, and performance/security features.

●Tested Analyzed call processing using Wireshark and automated test cases.

●Upgraded firmware, configured VLANs on routers, and validated fault reports.

●Conducted regression testing for releases and tracked bugs.

●Provided technical support and prepared customer release notes.

●Facilitated knowledge sharing and mentored junior members.

●Reported project status regularly and reviewed test plans.

●Conducted training sessions on FMG porting to new hardware.

Environment:Linux, Windows, Sun Netra X4250, ATCA, Quality Centre, Wireshark, Shell Scripting, TCL,Expect,SNMP,Python,Python IDLE

My Call and Business Services (MC-BS) Solutions

NetCentrex Comverse IP Communications, India May 2009 to Aug 2009

Role: Senior Test Engineer

Responsibilities:

●Installed, configured, and integrated sub-platforms of BSMC-Voice Switch.

●Executed test case reports and tracked bugs to closure.

●Conducted regression and integration testing of call features.

●Logged new issues in TeamTrack bug-tracking tool.

●Reviewed and prepared test plans and test cases.

●Scheduled testing activities and prepared release notes and test reports for each release.

●Managed testing schedules to meet delivery deadlines and completed system and functional testing on time.

Operation Maintenance Centre - Radio (OMC-R) – GSM

Alcatel Lucent, Romania

Role : Support and Network Test Engineer May 2007 to Apr2009

Responsibilities:

●Installed, customized, and configured OMC-R.

●Reviewed SRS, Functionality Requirement Specifications, and various design documents.

●Prepared feature-level test plans and test cases.

●Conducted alarm management, performance, security, and account management testing.

●Tested OMC software upgrades and data migrations to minimize downtime.

●Performed GUI testing and firmware upgrades of OMC-R.

●Automated software upgrade and database migration test cases.

●Conducted call processing and network-level testing with BSC and MSC simulators.

●Provided 24/7 technical support to end customers for OMC-R queries and issues.

●Reported bugs and logged them in Bugzilla.

●Prepared deliverable documents and project status reports weekly.

Environment: Solaris/LINUX,Exeed, Wireshark, GSM/GPRS, Sun Fire V880, Sun Fire V490, Sun Blade 150, Ultra 25,Shell Scripting,Eclipse

Micro Base Station Router Network Level Testing

Aricent Technologies Bangalore India Nov 2006 – Apr 2007

Role: Network Element Tester

Responsibilities

●Reviewed SRD and FRS documents.

●Prepared Test Plan and test case reports.

●Analyzed, reported, and logged bugs in Sablime.

●Conducted functionality and feature testing of Micro BSR.

●Ensured testing and quality assurance of all functionalities.

●Provided daily project status reports.

Environment:UNIX, VxWorks, Wireshark, Ethreal, SNMP, Sablime,UMTS,CVS,Clearcase,Shell Bash

Micro BSR OAM Managed Object Development

Aricent Technologies Bangalore India June 2005 to Oct 2006

Software Developer

Responsibilities:

●Prepared high-level and low-level design documentation and reviewed system and functionality requirement documents.

●Developed software for OAM module of Base Station Router using c++

●Detected and identified memory leaks,illegal memory accesses and untested areas using Rational Purify and Purecov tools

●Created Unit Test Plans and Code Coverage Reports.

●Utilized ClearCase for version control and followed waterfall methodology.

●Conducted functionality and Unit testing and logged new fault reports in Sablime bug tracking tool

●Provided support for post-implementation change requests.

Environment:UNIX, VxWorks, Wireshark, Ethreal, SNMP, Rational Rose, Purecov, Clearcase, Sablime, C++,UMTS

TRAINING ATTENDED

●Verification, Validation and Testing Methodologies

●GSM GPRS Techniques

●UMTS Training

●MATLAB Training

EDUCATION

B.Tech (Electronics & Communication), from National Institute of Technology, Tiruchirappalli, India (2001-2005) with 7.4 GPA

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