Reshmi Kakkattuchalil

Reshmi Kakkattuchalil Cloud Certified Hadoop, Java & Shell script Developer / Business Analyst Summary: 3 Years of experience in developing technical solutions to business problems. Defining, analyzing and documenting requirements and also have involved in all phases of Development, Maintenance & Support of Applications which gave me an opportunity to work with different programing languages and tools. Professional Experience: Company Role Duration Tata Consultancy Services, Kochi Assistant Systems Engineer 3 years Experience Summary: Over 3 year of experience in Big Data team, executing Projects/Client PoCs in Big data & Hadoop technologies like Map/Reduce, Spark, Hive, Pig, Impala, Sqoop, Oozie, Flume, Solr and YARN. Making technical decisions within the Business Intelligence arena and Ensuring solutions are delivered to quality, on time and in line with client requirements. Providing recommendations based on business intelligence analysis. Strong technical knowledge in Hadoop solution development. Involved in the requirements Analysis, design, build and Development. Good understanding of SDLC. Working knowledge on Cloudera-5 and Hortornworks 2.2. Experience with working on Linux CentOS and Windows XP, Windows 7 operating systems Completed certification on Azure Cloud Developer and MongoDB. Confident, Responsible, highly-proactive and Quick learner. Possess good interpersonal skills and very goal oriented. Able to handle development and support of any Application. Very good Team player and much interested in learning new technologies. Interacted with the European and American clients on a regular basis through WebEx and Lync. Technical Skills: Programming Languages/Skills Core Java, Shell Scripting, Mapreduce, Spark, Hive, Oozie, Apache Sqoop , Solr, Flume, YARN Scripting Languages Unix Shell, Java Script Web Technologies JSP, Servelts, SQL and knowledge of Hibernate and Struts. Database Hive, Oracle10g with SQL and MySQL Tools Tableau, Control M, R-statistics Eclipse IDE for Java, SQL Developer, SQL workbench. Servers Apache Tomcat 6 Clusters Cloudera distribution for Hadoop cluster, Hortonworks distribution Platform for Hadoop cluster,Azure Cloud Services Process/Methodologies Agile, Water Fall Awards and Recognition: Below are my major achievements during the last 1 year tenure. Have received Nielsen Buy CTO award for Performance Excellence towards the outstanding contribution to NDX(Nielsn Data Exchange). Have selected as the best performer in the Analytics Platform & NDX Have received individual recognition from the client side for the outstanding contribution to NDX Our team was selected as the star team for successfully on boarding 98 countries to production. Was awarded "On the Spot award" for leading CRs from offshore. Won first prize in TCSNielsen TechnologyStudio -Hadoop quiz which was held Globally. Key Projects: 1. Nielsen ETL for Analytics Description Nielsen is a leading global information and measurement company that enables companies to understand consumers and consumer behavior. Nielsen measures and monitors what consumers watch (programming, advertising) and what consumers buy (categories, brands, products) on a global and local basis. Client Nielsen, US Duration 22 months Role As a BA/Developer and Team lead: Here we are mainly handling the ETL part of this analytics process, where in we have developed a framework that promises to pull different data from different source and makes it available in cluster's HDFS for further processing and analytics. On a whole our team has on boarded 97 countries to our system. Started as a developer and the leveraged to the role of a Business Analyst have helped me to understand the product/system at the root level. Worked closely with Factory SME’s to understand the data and to provide business solution. Played a major role in taking technical decisions for various critical issues. Responsible for capturing, aggregating and transforming vast amounts of complex data into meaningful reports Document the analyzed business requirement and proposed solutions. Developed MapReduce code, shell scripts and HQLs to pull and populate the data into Hive tables Technologies Used: MapReduce, Spark, Oozie ,Hive , Java and Shell script 2. Web Analytics reporting Tool. Description Web data analytics were earlier done with a paid tool of Adobe. Customer wanted to migrate this Hadoop platform. Reporting metrics were calculated in Hadoop and the reports were generated in tableau. Thus 187 repots were generated weekly by our tool and also gave an added advantage to our customer to create new reports as per their need using our tool. Client The Hartford Financial Services Group. US Duration 7 months. Role As a Lead Developer: We receive web data (both event and interaction level data) on a weekly basis, which is ingested into our cluster. On top of this data different normalized tables are created which allows full slicing and dicing of data. Technologies Used: MapReduce, Oozie ,Hive , Java,Tableau and Shell script I had involved in all phases of development, from the creating the data model to finally scheduling the whole process. 3. TCL ETL Migration Description As a first part of call log analysis, Log data(CDR) was classified into complete and incomplete on the basis of certain columns. A complete transaction then it is passed to the Enrichment phase. On incomplete CDR , apply correlation logic to make the transaction complete. According to certain conditions the Request and the Response CDR's are merged to make a complete transaction and should be passed to the Enrichment phase. This process continues for a threshold time. If a match can be found within the Threshold time limit, then the Request and the Response are merged to make a complete Transaction and then it is passed to the Enrichment. Client Tata Communication Ltd Duration 2 months. Role As a Developer: Involved in requirements gathering, analysis. Understanding and designing the Architecture. Preparing the High level and low level design docs. Storage of data in HDFS using flume. Data processing using mapreduce. Scheduling the workflow using Oozie 4. Prudential KMT CSR Tool. Description Tool was developed for call center representatives of Prudential . Tool indexes the different data from multiple sources like MySql, .html, .doc files etc. The indexing is done through Solr. On the indexed data, the representative performs a search with the plan id and intent. The related block of information is displayed to the representative in a UI thus saving time and cost of search. This was done as a POC and delivered to customer. Client Prudential Financial, Inc, US Duration 2 month Role As a developer: Analyzed customer data loaded from different sources Involved in design and development Involved in developing an interactive UI. Technologies Used: Solr,Java,JSP,Servlets,MySql Education Details: Particulars School/College Score Year BTech(IC) NSS College of Engineering ,Palakkad, Kerala 85% 2013 12th HSC Presentation Higher Secondary School, Kozhikode, Kerala 89% 2009 10th SSLC Providence Gils Higher Secondary School, Kozhikode, Kerala 100% 2007 Contact Details: Name: Reshmi Kakkattuchalil. Status: Married Email: - Passport: P- Cell Phone: - Address : Kerala,India