Lakshmanakumar Mangena

Certified Scrum Master[CSM]

CEH Certified

ISO-27001 provisional auditor

Java 6 Sun Micro-Systems Certified.

Email:adcsjm@r.postjobfree.com Contact: 65-83230056

Experience Summary:

Around 11+ years of experience in web, mobile, java application using Java, Android, iOS, technologies as Mobile Application Solution Architect, Product and Team Lead.

Hands on experience in design, development, validation, documentation using following technologies Core Java, React Native, Android, Eclipse,Android Studio, github, Jenkins, Restful/JON Api services,Rx java,, butter knife, retrofit, dagger 2, apache, Json, mobile-bluetooth api, google maps integration, barcode & qr code scanning api integration (google mobile vision sdk), Firbase services integration (analytics, performance, In-app messaging, ad campaign & dynamic links & authentication), openfire, gcm integrating into mobile apps, JSP, Servlets, Struts, Spring boot, django rest framework,Tomcat 5x & 6x, JDBC, Hibernate and Ibatis, MySql, Google analytics, Jira, Incident/SLA support, sJava Script, HTML, CSS,XML and SAX parsing and transformation.

High-level technical scope:

HyBrid Framework: React Native

Servers : Apache, Nginix, tomcat and jboss.

Cloud Services: AWS, Google

Rest Frameworks: Spring boot, Django Rest Framework

Project methodology: Scrum, Kanban (Agile)

Validation Frameworks: Junit test, automation tests & manual tests using android junit, robotic, espresso (android), GHUnit (ios)

Source Control Tools: Bitbucket, Github, SVN Tortoise, TortoiseHg (Mercurial).

CI/CD Tools: Jenkins

Domain Exp: Mobile Banking, Health Digital Services, Defence, Airlines.

Core Strengths:

●Solution Architect for Mobile Apps

●Product Lead

●Scrum Master Certified

●Secure Coding for Mobile Apps

●Hands on mobile applications architectures MVP & MVVM

●TDD development, CI/CD management

●Pair-Programming with scrum & agile approach.

●Expertise in Android Development & Automation Testing

●Hands on experience in Android UI Design, Debugging & Troubleshooting.

●Knowledge and workaround experience in hacking tools (web & network based)

●Knowledge on mobile security concepts and countermeasure

●Good in secure coding in mobile app

●Mobile Applications (Android,iOS) Maintenance & Production Support (L3)

●Requirement Feasibility Study and analysis in preparing FRS, SRS design docs.

●Good in Preparing Validation Strategy and plan, implementation for functional, system testing (manual & automation).

●Good in estimating requirements implementation plan and timeline to meet

●Has the motivation to take independent responsibility as well as ability to contribute and be a productive team member.

●Team player with good interaction skills.

●Efficient time management and resolving technical issues by interacting with team members and superior.

●Expert in Debugging and Trouble-shooting in server side support.

●Hands on experience in reverse engineering (i.e. analysis work-flow and business flow of existing app).

●Good analytical capabilities, interpersonal and communication skills.

●Hands on experience in mobile solution & framework design, development (i.e. libraries) and integrating into mobile client and server.

●Hands on experience in following java design patterns implementation & usage in solution and framework developments:

1. Abstract Design Pattern

2. Factory Design Pattern

3. Builder Pattern

4. Singleton design pattern

Preparation of project Plan for SDLC and scheduling time-lines for each phase of SDLC

●High level and Low level Designing of the Project and write Test cases (ie. Manually)

●Very good knowledge in Android Application development.

●Good Communication skills, team player and self-starter.

●Good working knowledge in JBoss 4.x 5.x and Tomcat 5x & 6x

●Having good interaction with eclipse 3.6 and later

●Good at troubleshooting and understanding the system.

●Good knowledge of OOPS concepts.

●Experienced in Windows Vista and XP/9x,Linux.

●Good understanding & working knowledge on Unix commands.

●Good exposure & working knowledge on Android mobile apps development..

Experience on following roles and responsibilities:

Roles: Senior Mobile App Engineer, QA,Task Management (estimating workload, man-days, prepare Validation strategy i.e. VTP,VTR, other relative docs), Risk Analyst.

Responsibilities: Mobile Development, Validation, Production Support & Maintenance, Prepare FRS, SRS, SDD documents for Android, iOS & BB 7 & 10 platforms. Support and Maintenance: Mobile Financial Apps (android, ios) Maintenance and Support.

Integration & Deployment: System (complete solution/app) Integration,Testing and Deployment.

i. Prepare Development workload, Validation strategy (QA),

i.Scheduling meetings with project manager and client to discuss projects updates and requirements

ii.Project reviews with reporting manager and client

iii.Sharing ideas with client and peers

iv.Complete SDLC Implementation

v.Database Design and Performance Tuning

vi.Technical Support for Client and Server side

vii.Online Customer Support and Maintenance

viii.Onsite Support for client

Team Management and team player

i.Task Assigning and knowledge sharing to team members

ii.Preparing Work progress report (ie. Weekly basis and task process basis)

iii.Reporting to Project manager and top level managers

iv.Join with project manager in business deals to handle client

v.Communicate with Project manager and client to get update information and clarify project's specifications and requirements while processing going on

Domain Experience:

a.Airline / Transportation mobile apps

b.Medical-health management mobile apps

c.Chat based apps using gcm, openfire, firebase

d.SIM & Smart / Credit Cards Manufacturing.

e.Govt. and Defense services

f.Financial/Banking

g.Telecommunication

Education:

●Master of Computer Applications ( M.C.A ), duration of 2 years from sept-2004 to Sept-2006, from ICFAI University, Hyd, Ap, India.

●Bachelor of Computer Applications ( B.C.A ), duration of 3 years from Mar-2001 to Mar-2004, from Andhra University,Ap,India.

Professional Certifications:

Completed Certified Scrum Master (CSM) in July-2015.

Completed Java 6 Certification from Oracle in 2010.

Work Experience:

Currently working as Mobile Apps Technical Lead for SIA Client from June-2019 to till date from TCS.

Worked as Android Technical Lead for JnJ Client from 2018-Nov to June-2019 from TCS.

Worked as Senior App Analyst cum tech lead in SIA (Singapore Airlines) under nityo 3p-solutions pvt Ltd., Singapore from 2017-Oct to 2018-oct.

Worked as Mobile App Architect cum Tech Project Lead for UnitedCrest Healthcare Pvt Ltd., Singapore from 2014-Nov to 2017-Oct.

●Worked as Sr Mobile App Consultant in RnD Dept for Gemalto Pvt Ltd., Singapore from 2011-Oct to Oct-2014.

●Worked as Application Lead for Tagit Pte Ltd., from Mar-2010 to Oct-2011.

●Worked as Senior Software Engineer for Comtel Solutions pvt., Singapore, Client is DSTA (Defense Sciences and Technologies Association) from Jan-2009 to Feb-2010

●Worked as Tech Lead for Infronics Systems., Hyderabad, India from Nov-2006 to Dec-2008.

Projects Details

For SIA (current): CrewApp to manage crew rosters (different duties) and flight arrival and dept, report time, alert, updates everything managing through mobile app (android & ios) for SIA crew members (8000 members)

JNJ Project: MyAcuvue (eye-lanes marketing / sales / jaj products ):

This is application to marketing eye-lanes glasses stores, products, updates, coupons, redeem, user alerts managing through MyAcuvue application.

SIA: Singapore Airlines Native Mobile Application - flight search, flight-booking, online-checkin, trip details, krishflyer account maintenance, loyalty, miles tracking and redemptions and also App Notifications and email alert.

Technologies: Android with Android studio, integration 3rd-party lib/sdk integration into android apps., sJson Rest api, RxJava, Espresso-automation, Dagger2, Mockito, Junit4, sButter-knife,Retrofit,MySQl, TDD development, Pair-Programming, Jenkins (CI) for continuous builds and release, Core Java, Spring-boot, Restful and Hibernate, JPA (back-end), Github (with duet and rebase merging for single trunk development) and also iso-27001 internal auditing for mobile apps security and follows Hipaa compliance for UCH medical app.

For UCH-Health:

Project: UCH-App is health care services product (android native applications - Patient App & Doctor App) to provide health services to needed / disabled/old aged person/ any common public we required to regular health check ups and consultant specific specialized doctor using our these e

Technologies: Android, Diff medical devices sdk/api integration into our medical android apps. Xmpp openfire, android native bluetooth communication integration, Json Rest api, Dropbox integration, Core Java,Github and also iso-27001 internal auditing for mobile apps security and follows Hipaa compliance for UCH medical app.

For Gamelto:

Projects:

1. MFS (Mobile Finance Service) - Finance Solution (native libraries) for Android,iOS,Blackberry 7 & J2ME platforms.

2. TSM (Trusted Service Manager Library) Solution to provide communication between Secure Element and Mobile Application.

3. Mobile Wallet Solution cum Application - Secure Mobile Finance Solution for Client and Server.

4. Oric Application - Oric Japan Bank Mobile Application

5. IPMS (Internet Protocol Messaging System) Client Solution for Mobile Application

6. Secure Pin Pad Solution for both Android & iOS.

* MFS & Oric Application - Production support and maintenance.

Technologies: Android, iOS, Blackberry 7, Core Java,MySql, Tortoise SVN, Mercurial Hg, HP QT.

For Tagit:

Project: Commbank [Common Wealth Mobile Banking], is mobile banking application for iPhone and Black Berry. It is complete online banking (i.e. common wealth bank web site) simulates on mobile by using Mobiex Platform which is own product of Tagit pvt ltd. So Mobeix is mediator between online banking and mobile application. So whatever online banking features and services are available there all are available in this Mobile application. The below following services will be provided by Comm-bank application.

Technologies: Native Android apps development, Java, Core Java,JSP, JDBC,TCP/ IP Programming, Multi threading, Servlets,Struts,Ajax, Java XMLBeans, log4j, SVN, Hibernate, HTML, CSS, Ajax, XML and SAX Parsing, Mysql, DB 2 and Oracle 8i, Web-logic Oracle 10g, JBoss 4.x and 5.x and Windows 9X/XP/Vistal, Android & Linux. suse.

For DSTA (from Comtel Solutions):

Project:

Gebiz (govt. online sale & purchase govt goods by receiving tenders, maintenance and its completely cycle of selling & purchasing goods by issue / raising tenders Request / processing and their internal system maintenance.

Gebiz is Online Government Tenders processing and maintaining System (ie. Receiving, replying, specifications maintenance and under controlling of Tenders for buyers and suppliers.

Technologies: Java/J2EE, Oracle-10g,Struts2, Servlets,JSP,HTML,CSS, JS,Ajax,VSS,Web-Logic, Windows.

For Infornics:

Projects:

#1 Project: SBI Sms Server is a Daemon Server used to send and receive different types of sms to and from SBI clients which are keep on generated by SBI People and send by bank customers through SMPP Protocol (ie. One gate way to send sms) and ezSms Plugin (SIM based SMS receiver adapter).

#2 Project: NREGS is National Rural Employee Govt. Scheme. It provides employment offers to unemployeds who registered in it already by maintain all the information.

It is used to allocate the human-resource to those projects of each state based on its no. of unemployeds of corresponding states.

And it is responsible for maintaining employees salary information and what they are doing everything.

Technologies: Java,JSP,Servlets, Multi-threading,Struts,SVN,log4j, Junit, Ajax, JavaScript,Hibernate and web-logic Server 8.1,Linux Suse, Eclipse-3.2, Mysql-5.1, GWT Toolkit(i.e, Ajax based development tool for Java),Web-Services, Tech Docs Preparation, Production-support.

#3 Project: AVI (Automatic Vehicle Identification) is project for Automatic Car Parking maintaiance which is able to identify the vehicles wth the help of personal identify tag which can read / recongize by RFID Device, from this device the project can retrieve the information of that particular vehicle, processing it & pass the required commands (ie. boom barriar up, boom barriar down, boom barriar up for infinite time, boom barriar down down & authenticating / blocking the customers & etc.) to the RFID Device based on end-user / operator & display the all information of each vehicle & validate the information with db data for autherization & authentication.

Technologies: Core Java, Mysql, Eclipse 3.1, Swing, TCP / IP (Socket Programming), Multi-threading, Hibernate,log4j,SVN & RFID Device Interaction.

Personal Profile:

Name : Lakshmana Kumar Mangena

Visa Status : SPR since 2010.

D. O. B : 05-Jun-1981

Notice Period : 30 Days

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