Day to Day: Daily activities may include: developing and implementing new features and requirements; enhancing and maintaining existing codebases; designing and executing unit tests; validating and verifying code changes; troubleshooting and debugging production issues; and managing source code, builds, deployments, and releases across environments. Skills: Minimum Required Skills and Abilities: Strong understanding of applications/development, quality assurance and integration methodologies, concepts and facilities in a mainframe, midrange, and/or PC/LAN environment.