Tyler J. Chrestoff

Passionate engineer with over a decade of experience across various industries. Committed to building robust software solutions and fostering collaborative innovation. Known for taking complex challenges in stride and empowering teams to achieve growth.

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Experience

Senior Software Engineer

Root Insurance, Columbus, Ohio

May 2019-present

  • Developed and maintained a Data Warehouse Build and Scheduling system sourcing from Amazon S3, various external APIs, and RDS instances and targeting Amazon Redshift, built using Ruby on Rails
  • Designed serverless data processing pipelines using AWS Glue to ingest 100s of terabytes of semi-structured JSON policy rating data into AWS Redshift and develop ETL to load a rating data mart to be used by the Data Science, Analytics, and Actuarial Science teams
  • Helped expand server and client implementations using Rails and React Native into new markets such as California, referencing state insurance laws and working closely with project managers, designers, and other engineers to increase total market population

Software Engineer

DYNAMIT, Columbus, Ohio

May 2018-April 2019

  • Design and implement information architecture and authoring experience using Crownpeak CMS and ASP.NET technologies for National Grid
  • Develop Sitecore CMS integration with Eventbrite API to centralize the creation and management of local hospital events
  • Assist in maintenance of various projects including a PhoneGap Angular application as well as multiple Hippo CMS content websites

IT Director

Capital.Energy, Columbus, Ohio

June 2016-May 2018

  • Design and maintain all company software projects including implementation, testing, and database design
  • Oversee daily automated processes such as HTML retrieval and parsing, XML parsing, JSON transfer over FTP and parse, and multiple automated email reports

Software Developer

Village Communities, Columbus, Ohio

June 2015-June 2016

  • Replaced outdated batch scripts with C# application to transfer data from an electric utility service database to the company's legacy accounting application, logging activity to SQL Server and notifying an Active Directory security group through email
  • Created a simple form to upload an Excel workbook or CSV to an accounting application which lacked the native functionality

Software Developer

Broadview Instrumentation Services, Valley View, Ohio

August 2012-May 2015

  • Used C# to simplify the remote control of electrical and mechanical instrumentation such as multifunction calibrators, oscilloscope calibrators, piston gauges, and scales/balances
  • Abstracted instrument-specific programming languages allowing calibration technicians to produce customized automated procedures

Skills

  • Programming Languages:
    • Experienced with Ruby, C#, Python
    • Familiar with Rust, Go, Java, HTML, CSS, Javascript
  • Databases:
    • Experienced with Postgres, SQL Server, MySQL, AWS Redshift
    • Familiar with Cassandra, mongoDB, SQLite
  • Backend Frameworks:
    • Experienced with Rails, ASP.NET
    • Familiar with Django, caddy server
  • Frontend Frameworks:
    • Familiar with Vue.js, React, Bootstrap
  • Cloud Providers:
    • Experienced with AWS
    • Familiar with GCS, Azure

Resume History