I am a lover of computer programming, data analysis, economics, music, philosophy, and animals! I am a total polyglot programmer and love experimenting with new programming languages and paradigms (object oriented, functional, imperative, procedural) Tools used in production: Python (numpy, scipy, pandas, scikit-learn, flask) , Ruby/Rails, Scala (Spark, Akka, Scalatra), Clojure (core.async, core.reducers, compojure, ring), Javascript (node, angular, React, mori, underscore, d3) / html / css, Lua (LuaJit, ngx_lua), R, MySQL, PostgreSQL, MongoDB, Hadoop / Spark (pig, hive, scalding, cascalog, mahout, spark streaming, MLlib), Redshift, Redis, ElasticSearch, Memchached, Nginx Languages I have used in hobby projects: Go, Nim(rod), Haskell, Ocaml, Clojurescript (om), Common Lisp C, C++

Software Engineer @ Develop data pipeline/warehouse environment with distributed data processing architecture (Hadoop, Pig, Luigi, Redshift) From November 2014 to Present (1 year 2 months) Software Engineer @ In charge of building all front-end UI and application logic using AngularJS. All rendering, routing, application state, sessions, etc. is handled on the front end, and connects via REST to a concurrent / asynchronous micro-service architecture on the server-side, using Scala and Finagle. From June 2014 to September 2014 (4 months) Data Engineer @ Responsible for data warehousing, reporting and analytics Build and design batch and real-time ETL systems using concurrent/parallel programming techniques for handling large volumes of data from various sources Develop interactive web applications for internal data analysis and visualization Tools: Python (numpy, scipy, pandas, scikit-learn, flask) , Scala (Spark, Akka, Scalatra), Clojure (core.async, core.reducers, compojure, ring), Javascript (node, angular, d3, nvd3), MySQL, MongoDB, Hadoop/Spark / HDFS (shark/hive, mahout), Memchached, Nginx (OpenResty / ngx_lua) From June 2012 to June 2014 (2 years 1 month) Revenue Forecasting/Management Intern @ From July 2011 to August 2011 (2 months) Miami/Fort Lauderdale Area

Bachelor of Arts (BA), Economics @ University of Massachusetts, Amherst From 2009 to 2012 Sean Pietz is skilled in: Salesforce.com, Social Media, Online Advertising, Start-ups, Social Media Marketing, Python, MySQL, Machine Learning, Statistics, Linux, Web Analytics, Digital Strategy, JavaScript, Web Development, PostgreSQL, CSS, REST, C++, MongoDB