# Subacini B. > Principal Data Engineer at Symantec Location: Sunnyvale, California, United States Profile: https://flows.cv/subacini - Technical lead with 10 years of solid software development experience that includes 2+ years of shipping scalable ,complex large scale Search, Big Data enterprise applications from proof of concept stage to production serving huge set of customers - Passionate engineer with proven ability in solving complex technical challenges and thrives on creative, innovative solutions - Proven ability in project based technical leadership, teamwork and excellent communication skills - Excellent record in working across cross functional groups and with multiple geo locations exercising good people skills Skills: - Programming Language: Java/J2EE, Scala - Big Data: Hadoop, HDFS, HBase, Apache Spark , Shark, Spark Streaming, Spark Sql, Yarn, MapReduce - Search Engine:  Elasticsearch, Solr - Middleware: SOA, Restful Webservice, Spring, Struts - Server: Tomcat, Jetty, Websphere, Weblogic - API Management: Mulesoft, Layer 7 - Front-End: JavaScript, AJAX , HTML, JSP, Yahoo UI, CSS, Flex, Actionscript - IDE: Eclipse, Flex Builder, Spring Source Tool Suite, Scala IDE - Test Automation Frameworks: Selenium, TestNG, Junit, Mockito - Tools: Parasoft Jtest, Ant, Maven, SBT, Cobertura - CI: Git, Cvs, Svn, Hudson, Rundeck, Jenkins - Relational Databases: Oracle, MySQL - Basic exposure to Docker and microservices. ## Work Experience ### Principal Software Engineer @ Symantec Jan 2016 – Present | Mountain View, California, United States ### Technical Lead @ Cisco Jan 2014 – Jan 2016 - Responsible for building Cisco's First ever Big Data Analytics platform that serves Data as a Service (DaaS) - Designed, implemented and deployed back end engine using Spark  that does cleansing and enrichment of millions of network events which is persisted in HBase, Elasticsearch to offer it to different systems, applications, end users - Built custom Two-Factor Authentication(2FA) module to ensure customer data security for both user and system requests - Responsible for Elasticsearch cluster design, infrastructure ask and computation based on incoming data, customer requests, history data, trends and purge policies - Implemented Restful Web services using Spring, Apache CXF by writing complex real time ElasticSearch, SparkSql queries to return response and API Management using MuleSoft, Layer 7 - Built and deployed Big Data distributed application on 100+ VMs running in production there by achieving 300X Performance improvement compared to Traditional SQL Based System - Built end-end entitlement component that provides client, user, account, role mapping and privilege to access business data - Implemented master data distributed caching and in-built scheduler to refresh data based on scheduled time, on-demand that accelerates the application - Resolved Performance issues & limitation on Elasticsearch by custom component implementation on server side - Researched and used several third-party and open source tools for product development Relevant keywords: Hadoop, HDFS, HBase, Spark, Java, Scala, Distributed Cache, Two-Factor Authentication (2FA), Restful Web service, Spring, Apache CXF, JAXB, HBase, Spark, Elasticsearch, MapR, Performance Tuning ### Lead Developer @ Cisco Jan 2009 – Jan 2013 - Lead Developer and mentor for a team of talented engineers in the design and implementation of Distributed Search based Application - Design and Implement RIA Framework using Adobe Flex ,Actionscript and built custom components to provide rich interactive user interface - Built search based information retrieval system using Solr deployed on 70+ VMs - Solved complex, critical problems related to significant and unique issues - Improved performance of the application by reducing SWF size by 5x with 20x improvement in response time Relevant keywords: Java, Spring, SOA, Restful webservice, Search, Solr, Flex, Actionscript, Layer 7 ### Systems Engineer @ Tata Consultancy Services Jan 2006 – Jan 2009 - Primary developer of multiple financial and enterprise service applications, working on entire stack to build and enhance workflow. - Development of clearance modules using Struts Framework to adhere to Model-View-controller(MVC) paradigm and building enterprise business components using EJB, Hibernate and client GUI using JSP - Development of collateral workflow System using Flex, MXML , Actionscript to provide rich interactive user interface and handling service request via Orchestration - Custom Flex component library development for User interface which has been reused by external teams there by accelerating development Relevant keywords: Java/J2EE, Struts, Spring, EJB, Hibernate, Weblogic, WebSphere, Adobe Flex, Flash, Actionscript, JSP, Yahoo UI, XML, XSL, XSLT, XSL-FO ## Education ### Bachelor of Technology (BTech) in Computer Technology/Computer Systems Technology Coimbatore Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/subacini - Portfolio: http://www.linkedin.com/in/subacini --- Source: https://flows.cv/subacini JSON Resume: https://flows.cv/subacini/resume.json Last updated: 2026-04-12