Abraham Vincent Mulaka

Senior Data Engineer @Thrivent

NC, US

Designed, developed, and maintained data integration programs in Hadoop and RDBMS environment with both RDBMS and NoSQL data stores for data access and analysis. Used all major ETL transformations to load the tables through Informatica mappings. Created Hive queries and tables that helped line of business identify trends by applying strategies on historical data before promoting them to production. Installed Hadoop, Map Reduce, HDFS, AWS and developed multiple Map Reduce jobs in PIG and Hive for data cleaning and pre-processing. Implemented solutions for ingesting data from various sources and processing the Data-at-Rest utilizing Big Data technologies such as Hadoop, Map Reduce Frameworks, HBase, Hive. Implemented Spark GraphX application to analyse guest behaviour for data science segments. Exploring with the Spark improving the performance and optimization of the existing algorithms in Hadoop using Spark Context, Spark-SQL, Data Frame, Pair RDD\'s, Spark YARN. Worked on batch processing of data sources using Apache Spark, Elastic search. Involved in converting Hive/SQL queries into Spark transformations using Spark RDDs, Scala. Worked on migrating PIG scripts and Map Reduce programs to Spark Data frames API and Spark SQL to improve performance. Developed the Talend mappings using various transformations, Sessions and Workflows. Teradata was the target database, Source database is a combination of Flat files, Oracle tables, Excel files and Teradata database. Created Hive External tables to stage data and then move the data from Staging to main tables. Implemented Installation and configuration of multi-node cluster on Cloud using Amazon Web Services (AWS) on EC2.Created Data Pipelines as per the business requirements and scheduled it using Oozie Coordinators. Worked with NoSQL database HBase in getting real time data analytics.Able to assess business rules, collaborate with stakeholders and perform source-to-target data mapping, design, and review.

University of Dayton

Master of Science, Computer Science

Malla Reddy College of Engineering & Technology

Bachelor of Technology - BTech, Computer Science