SUMMARY:

• 20+ years of solid software development experience, including 3+ years of Azure/Big Data/BI/Cosmos/C# development experience on multiple (6) projects at Confidential .
• Confidential Experience at: MS Finance, MS IT, MS Studios/Xbox, MS Azure Marketplace, MS Windows Device Group,

TECHNICAL SKILLS:

Azure Services: Azure Data Lake Analytics (U - SQL), Azure Data Lake Storage, Azure Active Directory, Scheduler,Azure SQL Data Warehouse, Logic Apps, API Apps, Container Registry, Container Service, StreamAnalytics, Web Apps, HDInsight, Spark cluster, Data Factory, Event Hub, Service Bus, Bot Service,Resource Manager, SQL Azure, Data Catalog, Cloud Services, Virtual Machine, Virtual Network,ExpressRoute, DocumentDB, Azure Machine Learning Studio, Automation (Runbook), IoT Suite,Azure Functions, Azure Batch, Cognitive Services.

Big Data Skills: Hadoop, Hortonworks HDP 2.1, HDInsight, YARN, HDFS, Hive, Pig, Flume, Sqoop, Spark RDD,Spark SQL, Spark Streaming, Storm, Kafka, Oozie, Cloudera CDH, Cloudera Manager, Apache Hue,Solr, HBase, Cloudera Impala, Cassandra, MongoDB, DocumentDB, NiFi.

Cloud Platforms: Azure, AWS, Google Cloud Platform, OpenStack, Cloud Foundry.

DevOps: Docker, Chef, Puppet, Ansible, GitHub, Bitbucket, Jenkins.

RDBMS: SQL Server, Oracle, Teradata, MySQL, PostgreSQL.

NoSQL DB: HBase, Cassandra, MongoDB, DocumentDB.

ETL Tools: SAP BODS Designer, SSIS, Informatica, DataStage.

Reporting Tools: Power BI, Tableau, Cognos, Crystal Reports, SSRS.

Unix Platforms: Solaris, HP-UX, IBM AIX, Red Hat, SUSE Linux 10, OpenSUSE, CentOS, Ubuntu.

Virtualization Tools: Hyper-V, VMware, Oracle VirtualBox.

Machine Learning Algorithms: K-means clustering, association, neural networks, decision trees, time series, logisticregression, Naive Bayes, collaborative filtering, SVM, etc.

PROFESSIONAL EXPERIENCE:

Azure/Big Data/BI/Cosmos/C# Developer

Confidential, Redmond, WA

Responsibilities:

• Created Azure Data Lake Analytics U-SQL scripts to aggregate terabytes of sensor data stored across Azure Data
• Developed Azure Data Factory custom activity using C#, Azure AD authentication, Confidential Graph API, and Azure Batch to retrieve Office 365 calendar data.
• Configured and deployed a Hortonworks virtual machine inside an Azure Point-to-Site virtual network toshowcase the latest external table feature in SQL Server 2016 PolyBase, which allows user to query data stored in Hadoop cluster/HDFS and Azure Blob storage using T-SQL.
• Extensive experience of using Cortana Analytics Suite. Developed sophisticated Azure ML models for data warehousing audit using Azure Machine Learning Studio, Azure Data Factory, and Azure Blob Storage.
• Deployed the models as web service and consumed the service using Batch Execution. Created interactivePower BI reports to display data quality audit details for predictive analysis.
• Evaluated and implemented Azure Point-to-Site, Site-to-Site, and ExpressRoute Hybrid Cloud networkconnectivity solutions with Confidential Azure Networking team.
• Configured Azure Event Hub and Azure Stream Analytics to process near real-time high volume, high velocity telemetry data ingress gathered from Internet. Stored the data in Azure SQL Server and displayed the near real-time data on a live Power BI dashboard.
• Stored and managed Office 365 customer data using MongoDB and MongoVUE. Performed churn analysisusing R and RStudio.
• Developed a resume repository search application using Scala, Scala SQL, Scala build tool sbt, and Azure Blob Storage for fast resume key word relevance search running on an 8-node Azure HDInsight Spark cluster.
• Created a Spark application using Azure EventHub and Spark Streaming to ingest high volume event messages into Azure Blob storage and SQL Server.
• Built a Hadoop cluster in house/the lab based on Hortonworks HDP 2.1 running CentOS 6.5. Provisionedthe cluster using Ambari and Unix scripts.
• Developed Cosmos data pipeline application from scratch using Cosmos, Kusto, SQL Azure/T-SQL, and Power BI. Created WIT validator using C# and VSO/Git. Wrote unit tests for CI testing using C#/VSTS.
• Configured Flume for streaming data ingress from Twitter. Loaded data from SQL Server to HBase usingSqoop. Performed sentiment analysis/natural language processing (NLP) using Python/NLTK.
• Performed data modeling, data loading/updating, and system administration for a distributed Cassandra database system. Wrote applications and used CQL to query Cassandra. Added, repaired, and removed nodes on Cassandra clusters accross different data centers.
• Installed and configured a multi-node Kafka cluster on Azure CentOS VMs. Created Kafka pub-sub topic message board applications in Java. Performed system troubleshooting and integrated Kafka into Hadoop Ecosystem.
• Installed Impala with Cloudera Manager and queried HBase database using Impala shell.
• Wrote Hive queries and Pig scripts to analyze telemetry online data from Azure Blob storage. Createdand executed MapReduce jobs using C#/Azure SDK to concurrently processing 100+ GB of daily new data.
• Created Azure Automation PowerShell Workflow Runbooks to start/stop Hortonworks Hadoop cluster VMs(IaaS) based on jobs triggered by Azure Scheduler.
• Performed VM/VNet/storage account ARM migration using PowerShell and Azure Resource Managertemplates.
• Hands-on experience of using Azure Service Fabric, Container Registry, and Container Service.
• Created a sophisticated Azure Service Bus Topics app using C#/SSIS/T-SQL/Cosmos/Scope to display nearreal-time customer request/feedback.
• Provisioned Azure Storm cluster using PowerShell. Created a WordCount topology using C# to count thecustomer support issue keywords. Managed the topology using Storm Dashboard. Created a live Power BI dashboard to display data generated from the topology.
• Created a Cloud Services application using worker role, web role, MVC, Event Hub, Stream Analytics and DocumentDB to store emulated IoT sensor data.
• Created linked services, activities, and pipelines using Azure Data Factory for telemetry data processing using HDInsight cluster and JSON scripts.
• Experience of using Power BI, PowerPivot, Power View, Power Query, and Tableau 8.2 for creating BIDashboards.
• Created an Azure Ubuntu virtual machine with Puppet master installed and multiple Windows Server 2012R2 Datacenter virtual machines with Puppet agent extension enabled. Used Puppet enterprise console runningn the Ubuntu/Puppet Server to monitor status of Puppet agent nodes, deploy software, and manage the resources on the agent nodes.
• Configured the Windows Chef workstation and deployed Chef Development Kit. Created cookbooks on the workstation for installing IIS server and other services. Uploaded the cookbook to the hosted Chef Server
• Used the knife azure command (with all the required parameters to bootstrap the Azure VM) to create theChef client with the services and templates specified in the cookbook.
• Extensive experience of using Node.js, ASP.NET MVC 5, AngularJS/Bootstrap/jQuery/CSS/HTML 5,ASP.NET Web API, and Entity Framework for building robust web applications and UIs.
• Built, tested, and deployed Docker images from Jenkins. Extensive experience of using GitHub/Bitbucket,building Docker images, running Docker containers, and linking containers (such as database and web site containers) for microservices applications. Also configured Docker Hub repo for continuous integration (CI).

Sr. SAP/ETL Consultant

Confidential, Renton, WA

Responsibilities:

• Involved in enterprise data conversion and integration. Extensive experience in SAP ECC, Material Management (MM), BODS, ABAP, BAPI, BADI, LSMW, BI 4.0, BW 7.3, and ER/Studio.
• Created technical specs. Provided consultation to test engineers and functional analysts on data transformation techniques/implementations.
• Extensive experience of using Business Objects Information Steward Data Insight and Metapedia for statistical analysis.
• Quickly created/implemented solutions for the team when encountered technical bottleneck.
• In-depth knowledge of SAP architecture and SAP CRM, SRM, and SCM.

Sr. Data Warehouse/BI Developer

Confidential, Redmond, WA

Responsibilities:

• Performed financial KPI development using SQL Server 2012. Extensive OLAP cube design experience using SSAS. Designed the ETL/data flow process using SSIS. Created scorecard reports using SSRS and SharePoint.
• Developed T-SQL stored procedures and MDX queries for validating data integrity between OLAP cubes and relational database tables.
• In-depth knowledge of Confidential data mining algorithms in SSAS. Created statistical models using neural networks algorithm for market analysis and time series algorithm for profit forecast.

Sr. Hadoop Architect

Confidential, Bellevue, WA

Responsibilities:

• Led a team of three developers and built a Hadoop cluster for an e-commerce client using Apache Hadoop 1.2. Configured and used all major Hadoop components which include HDFS, Pig, HBase, Oozie, Sqoop, Hive, ZooKeeper, and Flume.
• In-depth knowledge of Hadoop big data infrastructure and ecosystem such as JobTracker, TaskTracker, NameNode, DataNode and MapReduce programming paradigm.
• Experience in large datasets transformation using Pig. Executed Hive queries and ran MapReduce jobs in Hortonworks Sandbox.

Sr. Teradata/Data Warehouse Consultant

Confidential, Renton, WA

Responsibilities:

• Worked on enterprise data warehouse development using Teradata, Oracle, SQL Server 2008 R2, and DataStage.
• Extensive experience of writing standard ANSI SQL and Teradata SQL dialect for Teradata MPP architecture.
• Created Teradata BTEQ/MLoad/TPump/FastExport scripts for data import/export.
• Wrote Teradata macros and stored procedures for performance tuning (by significantly reducing AMPCPU timeand spool usage).
• Created/Executed DataStage jobs to perform input data extraction (from various data sources), data sets funneling, and data transformation using complex look up/join/aggregate/sort/transformer stages.
• Performed logical and physical data modeling using ERwin.
• Attended daily Sprint meeting. Scrum tool used: VersionOne.

Sr. ASP.NET Developer

Confidential, Fairfax, VA

Responsibilities:

• Sharepoint application development using Sharepoint Designer 2010, C#, ASP.NET, Workflow Foundation, JavaScript, and T-SQL.
• Completed one Sprint development cycle (5 weeks) from beginning to the end. Scrum tool used: Rally.

Sr. Java/Hibernate/Flex Developer

Confidential, Mukilteo, WA

Responsibilities:

• VoIP Unified Communications network management software development using Java, Spring Framework,
• Hibernate/JPA, Flex, ActionScript, Flash Builder, PostgreSQL, and Unix shell scripting. Extensive experience with Wireshark protocol analyzer, SIP signaling (RFC 3261), audio/video streaming protocols SDP (RFC 4566) and RTP (RFC 3550), IVR configuration, dialplan/extension/hunt group creation, CDR processing, FAX/DID configuration, and Bluetooth to IP PBX connectivity/integration.

Sr. C#/ASP.NET/Streaming Media Developer

Confidential, Seattle, WA

Responsibilities:

• Involved in RIA video application development using C#, ASP.NET, ADO.NET, Silverlight/WPF, WCF Services, Flex, stored procedures, IIS 7, SQL Server 2008, and Windows Media Services.
• Strong knowledge of MPEG-4, H.264 codecs, RTSP, RTP, and video streaming technologies.
• Ported above-mentioned application to a searchable video database on Android platform using Eclipse, SQLite, Android search and media frameworks, Google Map integration, Location-Based Services, Flash Lite, and

Sr. Java Developer

Confidential, Bellevue, WA

Responsibilities:

• Java enterprise application development for a global leading computer manufacturer.

Technologies used: Axis2, Eclipse WTP, SOAP, Tomcat, Spring MVC, Spring Web Flow, HibernateJavaScript, and Oracle.

Sr. C#/Mobile Developer

Confidential, Tacoma, WA

Responsibilities:

• Involved in .NET/mobile software development for leading platform and handheld biometric devices.
• Extensive mobile biometric verification application development using C#, ADO.NET, WCF/Web Services, Visual Studio 2008, .NET Compact Framework, and Windows Mobile SDK.

Sr. SLATE/Python Developer

Confidential, Everett, WA

Responsibilities:

• Software development (using SLATE/Python/C++/SQL Server 2005) and functional testing for avionics devices based on system integration processes and CMMI guidelines.
• Created Master Test Plan and test cases. Performed BVT, stress, performance, black box, white box, and grey box testing for specific features.
• Attended triage meetings. Communicate with department management and functional users on project requirements, activities, and status.
• Created and executed manual test cases. Recorded test results in ClearQuest and Quality Center.

Sr. Java Developer/Architect

Confidential, Everett, WA

Responsibilities:

• Developed Java security framework and avionics PKI applications using digital signature, Apache XML Security,X.509 and Subversion.
• Strong knowledge of AR INC 429, AR INC 664, CAN protocols, and onboard avionics devices.

Sr. Java Developer

Confidential, Bellevue, WA

Responsibilities:

• Software development, testing, and bug-fixing for two sophisticated multi-threaded web-based systems using Spring Framework (MVC, ORM, transaction manager, and other modules), EJB, JSP, servlets, JMS, JSTL, custom tag libraries, FOP, web caching, job scheduling, JavaScript, XML/DOM, XSLT, AJAX, CruiseControl,and Oracle PL/SQL for domestic and international airline clients.
• Hands-on experience of using JProbe Profiler and Memory Debugger 6.0.
• Created/Executed test cases and automated test scripts using Rational Robot and TestManager. Reported/Tracked defects using ClearQuest.
• Performed unit testing using JUnit and Mock Objects.

Sr. Java/CRM Consultant

Confidential, Columbus, OH

Responsibilities:

• Technical lead for an enterprise software development/integration project. Created requirements analysis and high-level system architecture design. Java/ORM (Object to Relational Mapping) frameworks/technologies used: Hibernate 2.1.6, Spring Framework 1.0.1, Struts, XDoclet, Ant, and JBoss/Tomcat.
• Hands-on experience of using BEA WebLogic and Workshop 8.1.
• Configured and integrated ACCPAC CRM and accounting software (GL, AR, AP, Inventory Control, Order Entry, and Purchase Orders modules), help desk software (Team2/Heat 7.0), and point-of-sale software (CounterPoint 7.0). Databases used: SQL Server 2000 SP3 and Informix SE.

Sr. Java Developer

Confidential, Cincinnati, OH

Responsibilities:

• Software infrastructure/framework development in the architecture team using JBuilder 7, UML/Rational Rose, ClearCase, Ant, JMX, JUnit, MQSeries, Object-Oriented Design, and design patterns. The client is a Tier 1wireless service provider.
• SOAP component development using Apache SOAP 2.2 and Tomcat.
• Working knowledge of UDDI and WSDL. Hands-on experience of using Sun Java Web Services Development Pack (JWSDP) and IBM Web Services Tool Kit (WSTK).

Sr. Java Developer/Architect

Confidential, Columbus, OH

Responsibilities:

• Architected and implemented a sophisticated web-based GUI from design to UAT (User Acceptance Test) on Solaris platform. Java servlets were used to make CORBA calls which instruct the backend server to execute a variety of complex telecommunications operations, such as subscriber/service creation, Shared Security Data (SSD) update, voice mail configuration, fraud detection, and Authentication Key (Akey) generation.
• JRun is used for the web server and JSP/servlet engines. Visibroker for Java 3.2 is used for the ORB.
• Developed a Java Bean application (for document retrieval) on WebSphere 3.5(on Solaris) and WebSphere 4.0.1(on Windows platform). VisualAge for Java was used for the IDE. IBM Resource Analyzer was used to monitor the memory usage.
• Developed a trouble ticket tracking system using Struts Framework. Based on the MVC (Model-View-Controller) design pattern, Servlet, JSPs, and JavaBeans were used as the major components of this system. JavaMail was used to notify the users on processing status.

Sr. Java Developer

Confidential, Portland, OR

Responsibilities:

• Involved in analysis, design, and development of a gigabit ethernet network management software using EJB (both session beans and entity beans) on WebLogic Server 5.1 and Sun Microsystems’ J2EE Application Server.
• Investigated the new XML feature (such as the XMLSocket object) in Macromedia Flash 5 for GUI development.

Java Developer

Confidential, Columbus, OH

Responsibilities:

• Participated in TDMA/Wideband Radio 3G network management GUI development using JSP, D/HTML, and JavaScript. Java applets were used to authenticate user access.
• Developed Java Server Pages (which include JavaBean classes) and Java servlets to retrieve wireless network information, such as call routing, channel usage, and base station (BS/MSC) performance, from the Oracle database.
• Participated in high-level architecture design for EMS (Element Management System) Configuration Management Object Model using UML.

Java/Perl/Internet Application Consultant

Confidential, Columbus, OH

Responsibilities:

• Developed a search engine application to retrieve data based on user inputs. Java servlets were used to display the data retrieved from the database/search engine via a JDBC connection.
• Created Java class diagrams using visual modeling tool Rational Rose 98i/UML.
• Installed Red Hat Linux 6.0. Also installed/configured Apache Web Server 1.3.6, Oracle 8.0.5 database, FTP site, and e-mail accounts (using POP and IMAP servers), all on the Linux server.

Oracle DBA (Consultant)

Confidential, Columbus, OH

Responsibilities:

• Installed/Configured Oracle databases 7.4.3, 8.0.5, 8.1.5 on NT, and 7.3.4 on IBM AIX.
• Implemented database physical design.
• Set up Oracle user accounts, implemented backup/recovery plans, executed datafile import/export using OEM (Oracle Enterprise Manager) and command-line utility SVRMGR (Server Manager).

Oracle Developer

Confidential, Columbus, OH

Responsibilities:

• Used Oracle SQL*PLUS, SQL*LOADER, PL/SQL, and Pro*C for back-end data mart development. Oracle 7.3 was used for the back-end database. The biggest table in this database/project has 2.3 million rows.
• Implemented user interfaces for data entry to Oracle database using Oracle Developer 2000.
• Involved web development using C++ and Rouge Wave Tools.h++ for front-end web pages/CGI.

C++ Developer

Confidential, Columbus, OH

Responsibilities:

• Implemented telecom network management/televoting GUI for SMS (Service Management System) using PowerBuilder 5.0 and Visual C++. Wrote Sybase stored procedures to retrieve televoting data from SQL Server. Visual C++ is used for creating a multi-thread environment.
• Implemented new features for the SCP simulators in C++/OOD based on HP XTI APIs to test the NEI (Network Element Interface) subsystem.

Software Engineer

Confidential, Columbus, OH

Responsibilities:

• Configured AI180 internetworking switch for testing IP and X.25 traffic.
• Implemented an X.25 packets statistics feature in C using Shiva's protocol stack for a module card.
• Using SNMP Research's SNMP bilingual agent, implemented T1/E1 MIBs (RFC1406) for a Dallas Semiconductor's T1/E1 stik on a module card.

System Programmer

Confidential, Columbus, OH

Responsibilities:

• Worked with system administrators to support UNIX workstations and faculty/student users.
• Installed/Configured INND Internet news server.