jonathan keller etl developer 2567514786 jonathanskellerhotmailcom linkedincominjonathankeller summary driven etl developer 6 years professional experience researched implemented 4 data management systems ground improved efficiency reduced bug occurrence 17 optimizing data warehousing software turn resulting higher rate met deadlines looking employ skillset elevate pixadrive business analytics market experience etl developer enginey chicago il april 2019present programmed developed optimized databases daily using teradata sql steered team productivity toward 22 increase deadline meeting speed supervised communication 30 technical nontechnical staff members stayed top data authentication processes prepared diligent biweekly error reports migrated existing data flows client accounts moving away obsolete system decreasing end user waiting times 40 data engineer fareboard westerville oh november 2014december 2018 built new etl packages using microsoft ssis served mysql administrator several external internal databases created auditing plans 60 individual vendors verify monthend market data closing msc electronics computer technology miami university oxford oh 2013 critical thinking problem solving communication teamwork sol teradata education skills mongodb informatica c java python participated 10 regional hackathons starting age 17