Dan Stutzman

Professional experience

• Software Engineer at virtualQ, GmbH. in Stuttgart, Germany (2017-present)
  • Migrated from inflexible AWS OpsWorks configuration using immutable-style shell and Ruby scripts so developers can maintain it
  • Migrated to OpenStack to meet customer requirement, using scripted APIs despite poor documentation
  • Sped up reporting with automated nightly data transfer from PostgreSQL to BigQuery
  • Increased flexibility of data access with various custom security features in Rails app
  • Estimated on-hold times using Twilio's speech detection metrics as machine learning features
• Software Engineer at Hapara, Inc. in Boulder, CO (2014-2015)
  • Created data pipeline for new product that spidered metadata for hundreds of thousands of Google Docs in hours, using asynchronous I/O and Redis for deduplication
• Instructor at DaVinci Institute in Louisville, CO (2013-2014)
  • Developed and taught curriculum and exercises for Ruby on Rails introduction to programming class
• Software Developer at Quick Left in Boulder, CO (2012)
  • Developed custom single-sign-on integration to client's CRM software
  • Contributed front-end features in Ruby and JavaScript
  • Set up production server for client
• Freelance Software Developer for KIDzOUT, Inc. (2011-2012)
  • Built iOS app for locating nearby family-friendly businesses
  • Built backend server that scraped Google Maps
  • Built a JavaScript-based web demo of the iOS app
• Software Developer at Rosetta Stone in Boulder, CO (2007-2010)
  • Built web app to organize large audio corpora recorded by users of a language learning product
  • Built Java applet and web app to collect audio from remote users to add new languages to a speech recognition engine
  • Built web app to collect, browse, and annotate audio corpora, to add new languages to a speech recognition engine
  • Built web app to test English language skills of a Japanese audience
  • Prototyped visualizations to track success of language learning product users
• Software Developer at Rosetta Stone in Harrisonburg, VA (2003-2007)
  • Built backend for E-commerce web app to synchronize with Oracle order management ERP
  • Adapted third-party web app for point of sale at airport kiosks
  • Contributed to Java Swing app for managing curriculum

Education

• M.S. in Computer Science at University of Colorado at Boulder (2010)

• B.A. in Music Performance at Eastern Mennonite University Harrisonburg, VA (2003)

Tools

• Application servers Jetty, Puma, Tomcat, Unicorn
• AWS Alexa, CloudFront, CloudWatch, EC2, ElastiCache, IAM, Lambda, OpsWorks, Polly, RDS, Route 53, S3, Transcribe
• Backend frameworks Apache Cocoon, Ruby on Rails, Sinatra
• Communication APIs SendGrid, Slack, Twilio Call API, Twilio SMS API
• Configuration Ansible, Chef, CircleCI, Docker, Jenkins, Terraform, Vagrant
• Databases BigQuery, MongoDB, Microsoft SQL Server, MySQL, Oracle, PostgreSQL, Redis, SQLite
• Frontend build tools Babel, Bower, Browserify, Grunt, Webpack
• Frontend frameworks Angular, React, React Native, Redux
• Google Cloud BigQuery, Cloud Storage, Compute Engine, Docs, Maps, Task Queue, Translate
• IaaS AWS, DigitalOcean, GoDaddy, Google Cloud, OpenStack, Vultr
• Languages (literate) C, JavaScript, Objective C, OCaml, PHP, PL/SQL, Scala
• Languages (preferred) Bash, Go, Java, Kotlin, Python, Ruby, TypeScript
• Monitoring CloudWatch, Grafana, Nagios, OpsGenie, Prometheus, Zabbix
• PaaS Google App Engine, Heroku
• Web servers Apache, Nginx