Johnatan Sierra

Johnatan Sierra is an experienced Data Engineer currently working at ARKHO since March 2022, specializing in ETL development, AWS, Python, Spark, SQL, PySpark, Redshift, Athena, Glue, Lambda, and DynamoDB. Prior to this, Johnatan held the position of Jefe de sistemas at Diagonal from May 2017 to March 2022, overseeing ERP HelpDesk, user training, SQL server management, and various IT support functions. Experience also includes coordinating systems at Everfit S.A and serving as Director de Sistemas at Motofrenos, where responsibilities involved SQL administration, technical support, and system reporting. Early career roles include assistant de sistemas at Ayurá Motor Chevrolet. Educational qualifications include an Ingeniero de Sistemas degree from Fundacion Universitaria Maria Cano, diplomas in Telematics, Business Intelligence, Python data processing, and a specialization in Analytics from Universidad Nacional de Colombia.