Suchet Chachra's Email Addresses & Phone Numbers

Software Developer Lead - Data / R&D Systems @ U.S. National Library of Medicine (NLM) From October 2012 to September 2016 (4 years) Bethesda, MDStaff SRE @ LinkedIn Staff Software Developer @ Lockheed Martin • Utilized the distributed computation framework MapReduce to reduce the time required for document preparation from weeks to hours by converting several independent...

Software Developer Lead - Data / R&D Systems @ U.S. National Library of Medicine (NLM) From October 2012 to September 2016 (4 years) Bethesda, MDStaff SRE @ LinkedIn Staff Software Developer @ Lockheed Martin • Utilized the distributed computation framework MapReduce to reduce the time required for document preparation from weeks to hours by converting several independent sequential jobs into distributed parallel jobs programmed to run on a Hadoop cluster.• Programmed a distributed image feature extraction job using the real-time distributed computation framework Apache Storm for establishing POC. Overseeing the installation of Apache Strom on a cluster comprising of more than 20 nodes. • Supervised the installation of Apache Hadoop on an 80-node cluster. Configured MapReduce framework to utilize distributed file-systems such as GlusterFS, ZFS and OCFS instead of HDFS.• Provided oversight for upgrading the Hadoop Cluster from version 0.20 to version 2.30.• Responsible for software design and development of Apache Tomcat based middleware and backend text-search engine.• Defined the document structure for indexing text documents using Essie, an internal text-search engine developed at U.S. National Library of Medicine.• Defined rules for query-expansion based on the types of queries available to the end user. Validated the document structure and query expansion rules against the project requirements. • Suggested and programmed multithreaded results compilation coupled with distributed caching to improve the response time of the project website.• Programmed a shell-script utilizing ffmpeg to convert publisher supplied videos into a common format (MP4 and WebM) suitable for web-hosting.• Programmed a text mining module for medical concept extraction from image captions used to label images and provide the ground truth data for training an image classifier utilizing deep-learning techniques. From October 2012 to September 2016 (4 years) Washington D.C. Metro AreaApplications Developer and Data Analyst @ RoyaltyStat LLC • Extracted financial information from various public sources like US BEA and OECD StatExtracts to feed relational databases and perform statistical analysis.• Developed extraction, transformation and loading scripts to download data electronically on a nightly basis from public sources like US SEC, Canada’s SEDAR and other business and financial data providers.• Travelled to Amsterdam, NL to work with a specialty text mining company for an internal text-mining project.• Compared performance of various text-search engines like Apache Lucene, dtSearch and MS SQL Server and implemented full-text search capability on an internal repository containing over 11 million documents.• Translated non-financial data into seven different languages including French, Italian, Portuguese, Spanish, Chinese, Korean and Japanese for European and Asia-Pacific markets using Bing Translator Web-Service.• Single handedly implemented a FIPS-180 compliant secure hashing technique using Java SE Security API for storing user login information and user authentication.• Implemented complex business logic and visualization tools such as histogram, box plot and scatter plot using methods such as lowess regression and curve fitting to allow statistical analysis of financial data for US and Global C&I corporations.• Developed interactive web-applications for company websites, including highly functional user dashboard.• Migrated one of the development servers to Amazon EC2 to establish POC for cloud hosting.• Visited client locations in various countries to provide product training and successfully demonstrated the product at several international conferences. From May 2010 to October 2012 (2 years 6 months) Washington D.C. Metro AreaGradutate Teaching Assistant (Junior System Administrator) @ George Mason University • Provided Windows and Linux system administration at the Volgenau School of Information Technology and Engineering.• Worked with senior staff in releasing updates and software patches for the various software used. From September 2008 to May 2010 (1 year 9 months) Volgenau School of IT & EngineeringSenior SRE @ LinkedIn From September 2016 to March 2020 (3 years 7 months)