Arunkumar Rangaraju

Background

About Arunkumar Rangaraju

Technology Lead Teradata/SAS Developer with 18+ years of Core Information Technology (IT) experience in analysis, design, development and implementation of Teradata/SAS, Mainframe applications. • SAS Certified Advanced Programmer for SAS 9, Certified PMP Professional and Teradata Certified Master V2R5• Tableau Desktop Certified Specialist• Experience in Mortgage, Banking and Financial Services domain.• Worked closely with Business Managers / Stakeholders to understand business needs and provide optimal solution. Technical Strengths:• Experienced in Data Warehousing related technology Teradata and analysis/reporting in SAS. • Designed and implemented Data Warehousing, ETL (Extraction Transformation and Loading) in Teradata/SAS using Mainframe Operating Systems.• Experience in implementation of BTEQ using Mainframe Environment.• Teradata Architecture Design level experience.• Expertise in writing complex queries using BTEQ in Teradata and exposure to complex joins, FastExport, FastLoad, Mload, Tpump, TPT and Macros.• Strong experience on Base SAS, SAS/SQL, SAS/Macros and SAS/ODS in Mainframe Environment.• Experience in extracting, manipulating data, and creating Data Sets from various sources like flat files, Teradata database, IBM DB2 database using PROC SQL facility.• Optimized performance using Data Validation and Data cleansing on Transaction/Card data using Statistical procedures like PROC FREQ and PROC MEANS.• Expertise in producing RTF, PDF, HTML files using SAS ODS facility.• Expertise in using source code/release management like ChangeMan and Endevor.• Proficient in CA7 and Autosys scheduling.• Expertise to deal with number of environments like Development, Integration, Certification and Production Environments.• Experience with Agile and Waterfall software methodologies.