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Craig Wohlfeil

Staff Software Engineer
Brookfield, WI
crwohlfeil@gmail.com
414-349-2086

Work Experience

Staff Software Engineer

Cityblock Health (Brooklyn, New York)

Oct 2021 - Current
  • Technical lead for a team building a data processing pipeline for member’s health data using Cloud Functions and BigQuery on Google Cloud Platform.
  • Built direct mail integration with a third-party API using Python and GraphQL.

Senior Software Engineer

  • Built a data matching system for healthcare data to turn discrete events into a patient's longitudinal history.
  • Supported customers during onboarding and after go-live to ensure customer success.
  • Designed and built a mobile first user signup experience to increase conversion rates for mobile users.
  • Built interface for exchanging healthcare data using HL7 and FHIR.
  • Built Single Sign-On and authentication/authorization using SAML and OAuth2.

Freelancer

Codeweasel

2012 - Current
  • Built a data processing pipeline for bioinformatics. Optimized and re-architected code to run in parallel on thousands of nodes. Built job control and monitoring using AWS Batch.
  • Built a data matching and deduplication system for the music industry.

Software Architect (consultant)

  • Technical lead for a team that built an Identity Management system to automate employee onboarding.
  • Built an enterprise Single Sign-On system.

Education

Bachelor of Business Administration, Management Information Systems

University of Wisconsin-Milwaukee

1997 - 1999

Skills

  • Java
  • Python
  • JavaScript
  • AWS
  • GCP
  • HL7
  • FHIR
  • HIPAA compliance
  • Docker
  • CI/CD
  • HTML
  • CSS