David Plonski Email & Phone Number

Chicago, Illinois, United States

• Developed ETL for flat files, .xls/x files and .pdf files using C# and leveraging libraries from Aspose• Developed SQL database tables, stored procedures, wrote and optimized queries, migration and data seeding scripts• Managed Azure VMs and Azure SQL instances and developed Azure pipelines for CI/CD• Developed plugin-architecture, multi-threaded, task-scheduling platform leveraging ASP.NET web forms front-end,Entity Framework database-first models and RESTful API back-end• Supported internal business users and worked as a consultant for these users to facilitate their development of C#plugins and SQL queries for their actuarial work on the task-scheduling platform• Served external clients through software consulting to develop custom-tailored solutions to serve business needs• Leveraged external data feeds and web APIs such as Bloomberg and CBOE to query market data• Mentored intern and facilitated her development of license management application leveraging ReactJS front-end

Anna, Ohio

• Developed full-stack VB.NET application leveraging ASP.NET web forms front-end, RESTful API invoking storedprocedures on SQL Server for use on manufacturing floor to track scrapped parts and generate reports leveragingEPPlus library, replacing the fully manual scrap-tracking process• Developed Windows forms application that consumed exported .csv files from plant equipment and generated JSON-formatted API requests to store standardized checksheets to report on equipment health and throughput• Supported engineers across the Ohio region and collaborated with a variety of disciplines to develop feasibilitystudies of IT-driven automation solutions to manual processes• Supported manufacturing line workers to understand challenges with current processes and used feedback to informIT design decisions

Apex, Nc

• Developed models, view-models and views (MVVM) for front-end UI, leveraging C# WPF to be deployed withinmanufacturing execution systems for external food and beverage client• Wrote SQL Server stored procedures as back-end for populating UI forms• Designed SSRS reports to be called and displayed within UI• Interacted directly with client to establish requirements and map out features for subsequent sprints

Senior Design Capstone ProjectFall 2014 – Spring 2015• Created PCB design and layout in EAGLE, ordered and populated components, developed firmware in C++ and validated functionality for a smart beehive monitoring system• Incorporated load cells, microphone, temperature and humidity sensors along with power distribution system, SD card and satellite communication module utilizing Texas Instruments MSP430 microcontroller

Micro-Electrical-Mechanical Systems (MEMS), iSensors Group• Evaluated inertial measurement units (IMUs) by verifying limits of operation for accelerometers andgyroscopes• Honed skills using MATLAB and Excel• Designed and developed bandwidth test using galvanometer to mechanically oscillate IMUs at highfrequencies• Interfaced with various engineers and delegated tasks to technicians

High Speed Clocks and Signal Synthesis Group• Performed platform transfer from LTX testing platform to UltraFLEX tester• Learned how to interface with LTX tester using enVision software and UltraFLEX tester using IG-XLsoftware• Modified schematics for evaluation and test boards using Cadence software• Communicated with customer service representatives to order parts for test boards• Interfaced with designers, product engineers and test engineers

High Speed Clocks and Signal Synthesis Group• Learned and used Python scripting extensively to design tests, parse data and interface with testequipment via GPIB• Collected data using signal generators, power supplies, oscilloscopes, spectrum analyzers, phase noisemeasurement solutions, thermal air jets and ovens• Synthesized data, created and delivered presentations for other engineers