Eric Olsen

• Engineered cloud (SaaS) and on-premise web applications for integrating Electronic Shelf Label (ESL) systems into clients' existing infrastructure and data management processes.

• Utilized Jakarta EE and custom React APIs to facilitate efficient communication between front end apps and backend processes.

• Made extensive use of Apache Tomcat WAS and RabbitMQ for deploying and managing web applications, ensuring high availability and performance.
• Automated backend SQL processes and stored procedures to streamline data retrieval utilizing functions, triggers, and cursors.
• Crafted efficient PowerShell scripts to automate installation processes on client systems, significantly enhancing deployment efficiency and reducing manual intervention.
• Managed the installation, configuration, and maintenance of databases. Including virtual machine setups and user access management.

• Implemented IP/routing configurations, firewall settings, port forwarding, and VLAN to achieve multiple WAS and gateway communication as well as secure and efficient network operations.
• Developed Windows tools in Python to aid clients with data aggregation and management.

• Successfully completed over 100 projects for residential and commercial clients
• Manage all aspects of projects from initial consultation to final cleanup
• Develop and implement project plans
• Schedule and coordinate work with subcontractors
• Visit job sites and review renovation plans to ascertain projects
• Establish work budgets and construction timelines to manage and plan projects
• Analyze quality of workmanship and materials to guarantee high-quality finished products

• Developed and maintained front-end Data Warehousing web applications using JSP, HTML5, JavaScript, and custom JavaScript libraries (jQuery, Node.js, DataTables)
• Developed and maintained back-end processes to communicate with front-end web applications using Java, SQL, JDBC, and COBOL
• Created, designed, and developed data models. Prepared plans for all ETL procedures and architectures. Validated results and created business reports
• Worked closely with database administrators to streamline ERP systems
• Created stored procedures and batch jobs with complex DB2 SQL queries for the automation of reporting, self-service data retrieval for users, and data analytics
• Collaborated 1-on-1 with IBM, vendors, and warehouses to integrate IBM Food Trust (blockchain technology) into our ERP system to provide complete tracking for all food from farm to table