Petru Constantin Email & Phone Number

Seattle, Washington, United States

- Developed and deployed enterprise-scale learning recommendation systems for AARP using Palantir Foundry, encompassing end-to-end solutions from data ingestion to model endpoint deployment.- Leveraged advanced machine learning architectures and techniques to engineer features (PCA, NVTabular), train models (Collaborative Filtering, ALS, Two Tower, Sequence Rank Classifier), and implement robust testing and monitoring frameworks.

Bellevue, Washington, United States

•Contributed to a system that links multiple HR data sources and allows for a dynamic and interactive organizational structure which eliminates redundant HR labor.•Designed and managed multiple PowerBI models that provide Microsoft FD&E team members with live and detailed visualizations, focused on actionable insights within MS Stores and Core. •Created a scalable and augmentable harness that facilitates the automation of excel data refresh and reporting using VBA, which can be tailored to most Microsoft FD&E Excel reports.•Supported Microsoft fiscal year rollover with the development of new Budget reports, leveraging subject matter experts’ knowledge within Microsoft.•Presented numerous PowerBI and Excel models to relevant Microsoft stakeholders, highlighting use-cases while promoting business justification and internal impact.•Mentored Microsoft FRP member on PowerBI development - covering Microsoft internal data structure, finance data exploration & definition, and the MS Stores reporting process as a whole.

Greater Seattle Area

• Led the business startup process, managed the online store and the communication between e-commerce platforms; managed advertisement accounts • Implemented product sale analytics and oversaw performance and procurement of products

Seattle, Washington, United States

• Developed novel lithography process for NR9 spin on the Rite Track Coater and Developer• Coordinated with the Business Outreach Manager to generate new Si and SiO2 etch processes for the lab’s industry contracts• Utilized dry etch processing techniques to optimize the through silicon vias used in the lab’s integrated passive devices• Created new student qualification process flow using PECVD, Rite Track, Contact Aligner, ICP-F, and wet etching that produces diode devices• Qualified etch, lithography, and metrology tools using full wafer set process flows • Maintained chemical inventory, stock, lab standards, and particle counts of the cleanroom• Initiated trainings to further develop technical skills in etch, lithography, and metrology• Communicated with multiple project stakeholders including engineers, industry users, and other students to achieve desired project outcomes

Greater Seattle Area

• Maintained and upgraded the network infrastructure in the building; communicated with ISP’s to facilitate the maintenance of the central building connection• Conducted quarterly reviews of all services to maintain the highest level of functionality• Provided technical support for 70-80 students