Mitchell Schellenger Email & Phone Number

United States

Cambridge, Gb

Build and lead a new product-focused team, responsible for continued operations and uptime of the environment and substrate of AVEVA Data Hub.

Cambridge, Gb

- Owned a multi-sprint effort to improve performance of data serialization library, leading to an 80% increase in performance- Re-wrote services to use latest version of Microsoft Event Hub library, requiring redesign of services, performance testing and tuning to optimize throughput, and developing a migration plan to deploy services with no downtime or data loss- Own and manage security responsibilities for team, including threat modeling and analysis, ensuring product adheres to company security guidelines, researching relevant threats, and using tools including Black Duck, Polaris, and Rapid7

San Leandro, Ca, Us

- Collaborated with architecture team and product management to develop and implement a new, more secure standard sign on experience for install kits across products using OAuth Authorization Code flow- Redesigned and migrated legacy cloud storage service to Microsoft .Net Core ASP MVC App Service without downtime to improve reliability and maintainability of PI Cloud Connect service- Designed and deployed services to support an EU Service Fabric cluster as part of first phase of geo-distribution of OSIsoft Cloud Services (OCS)- Owned and manage security responsibilities for team, including threat modeling and analysis, ensuring product adheres to company security guidelines, researching relevant threats, and using tools including Black Duck, Qualys, and Coverity - Designed and implemented role-based authentication for services to access to backend Azure resources to improve security and maintainability- Collaborated with DevOps organization to implement automated deployment of Service Fabric clusters with services deployed and operational- Led efforts to improve performance of data ingress services by over 500% using increased parallelization and optimized processing

San Leandro, Ca, Us

- Developed services and REST API for data ingress for OCS initial General Availability launch, providing high throughput, scalable, highly available data ingress for customers- Led redesign of Service Fabric health monitoring service to monitor health of services deployed in cluster- Developed and released the initial version of an internal Service Fabric health monitoring library, used across OCS teams- Maintained and supported PI Cloud Connect services for data sharing of on premise PI System databases

San Leandro, Ca, Us

- Built application integrated with a SQL database, Azure DevOps, SharePoint, and Outlook to generate work items for the documentation team from an online feedback widget and send notification of receipt of feedback- Improved code and documentation for the PI AF SDK Getting Started Guide