Frank He Email & Phone Number

Saint Paul, MN, US

Dublin 2, IE

Developed a sophisticated web application leveraging React and Chakra UI for responsive design, and GraphQL for data-fetching, employing Apollo Client for state management and complex query orchestration. Enhanced UX with client-side optimistic updates and seamlessly integrated a mix of eager and lazy-loading queries to optimize application performance..

Eden Prairie, MN, US

• Led software development of an IoT Gateway platform written in C++ and Python. This platform runs Ubuntu Linux, Docker, PostgreSQL, and Mosquitto on top of an i.MX8M SOM and provides cloud connectivity for up to 32.
• Developed REST and MQTT APIs with Python, Docker, and Mosquitto, connecting Gateway and client devices to external endpoints and applications hosted on AWS EC2.
• Implemented unit testing of Gateway application using CppUTest and developed a system integration test framework using Python and Docker, automated with Gitlab CI/CD.
• Implemented secure/trusted boot on i.MX8M using public key cryptography and elliptic-curve digital signature verification.

Eden Prairie, MN, US

• Developed backend infrastructure for an industrial IoT platform hosted on Azure cloud, leveraging services including Azure App Service, Redis Cache, Event Hub, Service Bus, and SQL DB. Monitored data usage and scaled.
• Developed web portal and web-based control dashboard for an industrial IoT platform using C#, JavaScript, jQuery, Ajax, HTML, and CSS. Employed MVC, Repository, Unit of Work, Cache-Aside, and Async-Await design patterns.
• Developed REST and MQTT APIs with ASP.NET,.NET Core, Python, Django, and Mosquitto, connecting our client's IoT devices and third-party web applications to our IoT platform.
• Architected solutions leveraging Azure Stream Analytics, Event Hubs, Web Jobs, Blob Storage, and Table Storage to ingest, aggregate, and store large time-series data used to provide real-time alerts and data analytics.

Eden Prairie, MN, US

• Developed relational database models and data access layers for web applications in C# using Entity Framework code first patterns.
• Developed software in Java and C++ for a computer-vision assisted pill dispenser system running on Android IoT and connected to Azure IoT Hub. Developed and maintained a web API and portal using C# and.NET Core to.
• Developed software in C for an ESP32 platform running FreeRTOS and connected to GCP IoT Core. Used JWT authentication, MQTT, and protocol buffers to send data from device to the cloud. Collaborated with client to.
• Developed and optimized SQL stored procedures to provide datasets for client applications running SSRS and Power BI.

Arlington, TN, US

• Developed an ECG signal generator utilizing authentic sampling data from the MIT-BIH Arrhythmia database as system input, converted to analog output using an MSP430’s 12 bit DAC.
• Developed a real-time IPG simulator using wave detection algorithms to isolate the P-wave from the QRS complex and T-wave.