Mike Hall

Staff Software Engineer

Experience

Software Engineer

Obtiva | Chicago, IL | -

Delivered backend systems and services as a consultant across multiple clients, including Sears, Leapfrog Online, and Groupon, supporting early-stage scaling and data-driven operations in high-growth environments.

  • Limited access to business-critical data was addressed by building self-service reporting systems for Leapfrog Online, enabling stakeholders to generate and analyze data warehouse reports without engineering intervention.
  • Gaps in B2B sales capabilities were resolved by implementing a commercial sales and catalog service for Sears, enabling new revenue workflows for enterprise customers.
  • Instability during rapid scaling at Groupon was mitigated by contributing to deals services and fraud analysis systems, supporting platform reliability under high-growth traffic conditions.

Skills: C#, Ruby, Ruby on Rails, JavaScript, SQL Server, MySQL, Git, RSpec, Resque, NGINX