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Sent: Thursday, September 24, 2015 11:54 AM
To: hg@apeironinc.com
Subject: Please review this candidate for: Application
This resume has been forwarded to
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sree_at_work@yahoo.com
Sreedhar Vaddi
650.213.2707 Sunnyvale CA 94086 Objective
Permanent Position as Data Scientist and/or Big Data Architect. Summary
4 yrs Big Data, 15 yrs of Java, Object-Oriented design and development in
n-tier development and Distributed Computing experience § Experience in the industries: Financial Services (wholesale, mortgage,
investment and brokerage), HealthCare, Web (marketplace, crowdsourcing and
advertising), News and Entertainment, Property & Casualty Insurance,
Software Product Development and Scientific Research. § Architect and Sr. developer of SaaS, PaaS, IaaS, Cloud, Hadoop, Rich
Enterprise Applications, n-tier Enterprise Systems, Enterprise Application
Integration (EAI) in web-enabling legacy systems IBM Mainframe and SAP, SOA
Web Services with Java2 and J2EE. § Excellent experience in all phases of SDLC namely Designing,
Developing, Performance Testing and Implementing Web-2.0, Web-UI, Server-Side
and Middleware applications. § Experience working with Big 5 Consulting and Fortune 100 Companies. § Lead teams of sizes 2-80 across globe in different time zones,
cultures and dialects. § Administrator of J2EE Containers (Geronimo, WebSphere, Weblogic,
JBoss, Tomcat). § Diligent worker and Quick Learner with Excellent Problem Solving and
Mentoring Skills. Education
Cloudera Trained Data Scientist
Datameer Certified Analyst
Cloudera Trained Hadoop Developer
Cloudera Trained Hadoop Administrator CollabNet Certified ScrumMaster
Post-Graduate Diploma in Computer Applications Bachelor of Engineering (Biomedical), Osmania University Hardware
Intel x86_64, x86, Sun UltraSPARC, AS/400 OS
Mac OS X 10.6.7-10.7.4, Linux (RedHat-Enterprise, SuSE Enterprise, CentOS,
Ubuntu-Desktop/Server, Debian), IBM AIX, zOS, SUN Solaris, Microsoft-Windows
XP/Vista/7/8, Server 2003/2008/2010 Language
Java, R, C/C++ Java/J2EE
Java (JDK 1.0.2-JDK 7), (JavaBeans 1.0.x-1.5, Security 1-2, JCE 1.x-1.5, Java
SSL 1.x-JSSE 1.0.3-1.5, JNDI 1.1.x-1.2.x-1.5, LDAP v3, DNS, JAAS) JEE 1.2.x-1.5 (EJB
1.x-3.0, Servlets 2.0-3.0, JSP .91-2.1, JSTL 1.x, JMS 1.0.x-1.1.x, Connector
Architecture 1.0-1.5, JDO 1.0.x, JDBC 1.x-4.x, RowSet 1.x, JavaMail 1.x) JPA, Spring
Framework 3 (Security 3, Batch 3, MVC 3, WebFlow 2), Apache Struts Framework
1.0-2.x, Hibernate 3.x, Sun JavaBlend1.1, Sun JavaTest2.x, Java Web Services
Developer Pack (JWSDP 1.6-2.0, JAXB 1.1-2.0) Script/Markup
Python, AS3/Flex, AJAX (jQuery, Dojo, DWR, YUI),
XML 1.0, XSL 1.0, DTD, Schema 1.0, WML 1.0, XHTML 1.0, XPath 1.0, XLink 1.0,
XPointer 1.0, ebXML 1.04, FpML 1.0, HTML 1.x-5.x, JavaScript 1.x, JSON,
ACORD XML 1.xx-2.x, Unix Shell Script Parser
Apache XML (Xerces Java2), IBM XML4J 3.x, KBML
2.3, XSLT (Xalan Java 2), StAX IDE
eclipse, Flex/Flash Builder, Rational Web Application Developer 6.0,
WebSphere Studio Application Developer 5.1.2 - 4.0.x, NetBeans, TextPad 5.x Server
Weblogic 5.x-8.1 sp2, WebSphere Application Server (WAS) 2.x-6.x, Tomcat
3.x-5.x, Apache Web Server 1.3.x/2.x, JRun 2.3.x-3.x, Apache Geronimo 2.0.2 RDBMS
Oracle 7.3.4-11g, DB2 UDB 7.x, Sybase SQL Server/ASE 10.x-12.5, MS-SQL Server
5.x-2000 Protocol
HTTP 1.0/1.1, TCP/IP Methodology
Agile, Scrum, AOP, Design Patterns, RUP, J2EE Blue Prints, UML (Visual
Paradigm, Rational Rose/XDE, MS-Visio, TogetherJ), RAD, TRIZ Legacy
SAP (JCo), Mainframe (Weblogic Java Adapter,
Castor JDO, IBM Connect Direct) Misc.
Data Mining and Machine Learning, Ideé (TinEye,
PixMatch), VM Player/Fusion, Concurrency, Apache (Ant 1.7.x, Commons, RegEx,
Oro, Log4J, SL4J), JUnit, Workbrain, SVN, CVS/PVCS, Clear Case, Clear Quest,
Visual Source Safe, Atom, RSS, ehcache, Google Maps API, MapQuest Maps API Web
Services
SOA, UDDI/Registry (WSO2), Apache Axis1-2,
WSDL/WSDL2, eclipse Web Services Explorer, Amazon/MapPoint/Various WSDLs Awareness
SEO, Search Engine internals, NeuroSky MindWave, XBOX Kinect, Cloud
Computing, Grid Computing, JSR-168 (Portlets), JSF, CXF, Ruby on Rails,
ECPerf 1.0 & Kit 1.0.x, FindBugs, Clover, Emma, Google Web Toolkit,
Google Android SDK, J2ME (CDC, CLDC/MIDP), Ricoh ESA, Canon MEAP, Sony
Ericsson SDK, Sprint MJSP/Titan, MOTODEV Studio/Motorola Java ME v1.1 Big
Data
Hadoop, Avro, Cassandra, Chukwa, HBase, Hive,
Mahout, Pig, ZooKpeer, Cascalog, Hue, Lily, Myrrix Mobile
Android 1.x & 2.2x, iOS SDK 4.1 Crowdsourcing
CrowdFlower Employment
Summary: Nov 11-To Date
Independent Consulting, Sunnyvale,
CA
Senior Software
Applications Architect Jul 07 - Oct
11
DGN Technologies Inc., Fremont,
CA
Senior Consultant Aug 01-Jun
07
LanceSoft Inc., Chantilly,
VA
Senior Consultant Aug 00- Jul
01
PricewaterhouseCoopers LLP, San Jose,
CA
Management
EAI Consultant
Aug 99 - Jul 00
Xoriant Corporation (formerly TekEdge Corporation), Santa Clara,
CA Software Engineer Aug 93-Aug
99
Biomedical Engineering, Research & Teaching Experience at Major Hospitals
& IIT Delhi, Major Cities in India, up to Supervisor position Professional
Experience:
Nov 11- To
Date
Independent Consulting, Sunnyvale,
CA
Senior Software
Applications Architect Client
WellsFargo, San Francisco, CA Project
Recommendation System - Offers. Contribution
May ’12 - Feb ’13
§ Roles: Senior Software Applications Architect, Team Lead, in
this fast paced, full life cycle project. § Created, Recommendation System - Offers, from the ground up. This
includes, § Identified and Analyzed the Source data (BMG, EMM and Cartera)
to use in the project, § Identified and Assisted in purchasing Hardware, § Designed the topology of and setup the Environments, DEV (RHEL),
SIT (RHEL) and Production (SLES), § Evaluated Cloudera and Hortonworks hadoop distributions, § Installed, configured and tested, Cloudera CM4 and CDH4,
(v4.0.2 - v4.1.2), § Installed, configured and tested NGDATA Lily 1.x - Lily 2.x, § Designed and evolved, the data load process to Lily, § Evaluated data load software, Informatica Power Center to TeraData
and Oracle, Pentaho Kettle, Lily Import tool, Lily
Java Client API with Plain Text Files, JDBC/ODBC to TeraData and
Oracle, § Assisted data loads from Informatica to Lily and Verified integrity, § Configured and tested Push Point Mobile, Offers creation
platform, § Developed java program using PPM REST API to create/modify Merchants,
Merchant Users and Offers. § Assisted connecting PPM to Lily and vice versa, § Assisted connecting Mobile Wallet to Lily and vice versa, § Connected from R to Lily, HBase, Oracle and TeraData,
for Analytics purpose, § Exported computed recommendation scores and other data for Analytics
team, § Promoted Offers using Lily REST API, as and when requested by
Mobile Wallet. § Integrated and tested. § Developed Android App that makes call to Lily Recommendation REST API, § Evaluating LeapMotion, § Evaluating Cisco iServices and Raspberry Pi alternative, § Evaluating Log Analysis using log-back and Mahout/HBase/CDH, § Achievements: First and only, to Setup CDH4 on RHEL and SLES, First to
Setup Lily, First to Connect from R to BMG (TeraData), First to Plot all
WellsFargo merchants on US Map (Leaflet/OSM), § Oralce JDK 1.6.0_31 and 1.7.0_10, Eclipse Juno, Myrrix, R, LilyR,
RHadoop, bash, Dell R720 Client
Dorado/CoreLogic, San Mateo, CA Project
CLS (Correspondent Lending System) and Prime
Lending System (Prime) a software as a service (SaaS) model for Mortgage
Industry. Contribution
Oct ’11 – May’12
§ Roles: Senior Software Architect, Scrum Master, Team Lead for AppA,
in this fast paced, full life cycle project. § Created CLS from the ground up. This includes, § created SVN projects, § hand-picked existing reusable modules, § coordinated, setting up Hudson CI, then later moving to Jenkins CI,
for daily builds, § configured Dev and QA deployment servers (WebLogic, Sun/Oracle VMs), § setup Database (Oracle 10g, RedHat Linux, Dell Server), § created Schema and populated with metadata, § setup developer environment (eclipse, flex builder, findbugs, emma,
flex monkey, junit), § setup Dev Teams in San Mateo, CA and Austin, TX, § coordinated with QA Team in Bengaloru, India and Pune, India, § Setup Scrum process including daily standup, create user stories,
iteration planning, backlog grooming, scrum of scrums, sprint retrospective,
code reviews (Outlook, Jira w/ Agile). § Improved Performance of existing projects. § Fixed Security issues in existing projects. § Analyzed requirements, Designed technical solution, Implemented
solution, and developed test cases, Deploy and Demo for the following
features: Quick Start, FNM Import and Team LO. Jul 07 – Oct 11
DGN Technologies Inc., Fremont,
CA
Senior Consultant Client
Cisco Systems, San Jose, CA Project
VSX, a platform as a service (PaaS) model for
WebServices orchestration. HSX, an adaptation of VSX for
HealthCare industry in collaboration with UHG (United Health Group). Contribution
Mar ’11 – Oct ‘11
§ Role: Application Architect, in this fast paced, full life
cycle project. § Gathered requirements from Business for Developing Widgets. § Converted to functional and further to technical requirements. § Designed framework, developed model to write Widgets and documented,
that became the proven reference to develop any Widget henceforth. § Implemented e-mail Widget based on it. § Deployed on Staging Server and did a demo to Business. § Analyzed Security Implementation for VSX in the context of HSX. § Developed requirements and refined them, coordinating with UHG. § Selected OpenAM, OpenDJ (LDAP) & Microsoft Active
Directory (AD), SAMLv2 and XACML for implementation.
Implemented, supervised implementation and upgrades. § Designed production security model implementation that includes IdPs
(Oracle IdM), Authentication in COT, Using SAMLv2 Token to retrieve XACML
policies, Authorize requested resources and Error Handling. § Setup Staging environment depicting production, with Identity
Providers modeled after CareCore, Axolotl & UHG; Reverse Proxy that
forwards requests to IdPs; SAMLv2 Token validation; XACML policy retrieval,
parsing and Authorizing; Error pages and all. § Performed SAMLv2 Token operations like requesting new, validating
status and re-requesting; using Jersey 1.8 Client API. § Setup SVN Location, check-in process, Maven builds and continuous
integration on Hudson. § Oracle JDK 1.6.0_26, eclipse Indigo, Spring Framework 3.1.0 M1 (Core,
MVC, Security), MySQL 5.5.8 x64, Hibernate 3.6.1, Tomcat 6, EclEmma,
FindBugs, Clover, YourKit, JUnit 4, CentOS, Windows 7 Enterprise, Cordys,
OpenAM, FedLets, OpenDJ, NetBeans 7, ApacheDS, SDL (Cisco proprietary Service Definition Language developed using TRIZ
Methodology). Client
eBay, Inc., San Jose, CA Project
eBay Crowdsourcing Infrastructure (eci), a
framework for querying voyager (eBay query engine), parsing results,
processing results, uploading to CrowdFlower for human judgments and
retrieving results. This project replaced hours of manual work into automated
webapp that does the job in couple of minutes. Project
Web Search Analytics Contribution
Sep ’10
§ Role: Senior Consultant. § Designed analysis approach and parameters. § Developed Pig Scripts to analyze search results from various web
search engines like Google, Yahoo, Bing, etc. § Input UTF-8 text file. Output csv text file. § IBM JDK 1.6.0, eclipse Helios, Pig 0.7, Hadoop 0.21.0, Cloudera
Distribution for Hadoop CDH3 Project
Seller Standards/Reputation, a platform for
evaluating seller, assign rating, publish rating. Client
Cisco Systems, San Jose, CA Project
Wide Area Application Services
(WAAS) Sizing Tool Client
Fox Interactive Media, Los Angeles, CA Project
CMS (Content Management System), MFL (My Fox
Local) & NSL (New Site Launch) Re-Arch. Client
eBay Inc., San Jose, CA Project
SOA Framework 2, an Apache Axis2 based core, RESTful & SOAP
1.1, XML Schema & WSDL based, fully implemented JAXB SerDe & StAX
parsed for data types XML, JSON, NV and, Fast-Infoset with eclipse plug-in
support. Aug01- Jun 07
LanceSoft Inc., Reston,
VA
Senior Consultant Client
Firemans Fund Insurance Companies (FFIC), Novato, CA Client
CSC at Farmers Insurance, Los Angeles, CA Client
Center of Excellence (COE), Citigroup Financial Services, Wall Street, New
York, NY Client
Cap Gemini Ernst & Young at Farmers Insurance, El Segundo, CA Client
FedEx Corporation, Memphis, TN Aug 00-Jul
01
PricewaterhouseCoopers LLP, San Jose,
CA
EAI Consultant Client
Fleet Securities, Inc. (US Clearing, Inc.), New York, NY Aug 99-Jul
00
Xoriant Corporation (TekEdge Corporation), Santa Clara,
CA
Software Engineer Client
AdKnowledge, Inc., Palo Alto, CA Training
Attended ‘Machine Learning’ classes by Dr.
Patricia Hoffman & Dr. Mike Bowles.
Attended, Factual hack-a-thon day.
Successfully, setup environment and communication with factual javascript
API.
Attended, Kinect hack-a-thon day.
Successfully, setup environment and read Kinect output. Attended,
NeuroSky’s hack-a-thon day. Successfully, converted MindWave signals
into JSON Strings, on MacOS, for further processing. Attended Oracle
Technology Network - Virtual Developer Day that leverages Cloud
Development Environment (using Amazon Web Services) for virtual
hands-on training on Java and Rich Enterprise Applications. Trained in Vendavo by Vendavo
SkillSoft certified in IBM Rational
Application Developer 6.0 Trained in Workbrain
by Workbrain Trained in IBM WebSphere Studio Application Developer by IBM Trained in iPlanet Portal Server by Netscape Corporation Trained in IBM WebSphere Application Server 3.5 by IBM Trained in IBM WebSphere Studio by IBM Trained in Allaire’s JRun Application Server by Allaire Trained in Rational ClearCase by Rational Trained in Rational ClearQuest by Rational References
Available on request Page
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Languages: |
Languages |
Proficiency Level |
English |
Advanced |
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Hindi |
Advanced |
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Telugu |
Fluent |
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