Shawn D.
San Diego, United States
79%
Job Success
Python/C++/QT/Swift Desktop/MacOS, Embeddings, Firmware
$80.00/hr
I'm a multidisciplinary software and firmware engineer with deep expertise in cross-platform desktop application development (Python, C++, QT, Swift/macOS) and low-level firmware development for embedded systems. Adept at bridging the gap between high-performance native applications and microcontroller-based devices, with a special focus on machine learning embeddings, real-time systems, IoT/BLE, and macOS internals.
Possesses strong architectural insight and hands-on experience in building robust, scalable, and low-latency applications—from kernel-level audio/video drivers on desktop/macOS to firmware for ultra-low-power BLE devices and machine learning-enhanced tools.
Desktop/macOS Application Development
- macOS Frameworks: Swift, AppKit, AVFoundation, Core Audio, DriverKit, IOKit
- Cross-platform UIs: Qt (C++), Electron (with Python/C++ backends), PyQt
- Windows: WPF, WinForms, .NET Core
Firmware & Embedded Systems
- CUs: STM32, nRF52, ESP32
- Communication: BLE (Nordic SDK, NimBLE), MQTT, LoRa, Modbus, USB CDC
- RTOS: FreeRTOS, Arduino
- Tools: PlatformIO, Segger Embedded Studio, STM32CubeMX, Nordic SDK
Experienced with Raspberry Pi as an edge computing platform and IoT gateway, leveraging Linux-based GPIO control, BLE central role, and embedded ML inference using TensorFlow Lite and ONNX.
Work history
Work history
Excel and VBA Expert Needed
Jun 19, 2024
-
Dec 13, 2024
Private earnings
📱 Join Us as an IOS Tester in the USA! 🚀
Nov 8, 2024
-
Dec 4, 2024
"Shawn worked efficiently and provided top-tier results. Very responsive and professional throughout. I’m looking forward to future projects."
Private earnings
EPiServer/Optimizely
Oct 1, 2024
-
Nov 5, 2024
Private earnings
Mobile Data Entry App Developer
5.0
of 2 reviews
Jul 12, 2024
-
Sep 27, 2024
5.0
Private earnings
EPiServer/Optimizely
Jul 31, 2024
-
Sep 26, 2024
"Shawn Was great to work with. He was very professional and was able to get our team out of a bit of a bind with a very difficult project. He…
Private earnings
Starter Project: Single Page Signup Site
Aug 19, 2024
-
Aug 26, 2024
"Dilligent and skilled. He has your best interests in mind."
Private earnings
Outbound Calls to Store Management to Confirm Kiosk Placement
Jun 12, 2024
-
Aug 23, 2024
"Shawn was a great communicator and met all required deadlines."
Private earnings
$100 for one hour of testing
Aug 16, 2024
-
Aug 16, 2024
"Thorough and timely."
Private earnings
Website Testing - California
Jun 5, 2024
-
Aug 7, 2024
"Shawn's meticulous attention to detail and excellent communication during the project truly impressed me. I would gladly work with him again."
Private earnings
AI Powered Autism Education
Jul 5, 2024
-
Aug 3, 2024
Private earnings
Prototype device similar to Bebird.
Sep 24, 2024
-
Present
Job in progress
Private earnings
Shopify Support Projects
Jul 13, 2024
-
Present
Job in progress
Private earnings
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Skills
Skills
- Python
- C++
- Qt Framework
- Assembly Language
- Rust
- Swift
- Embedded System
- Firmware Programming
- Arduino Firmware
- Raspberry Pi
- Bluetooth LE
- TensorFlow Lite
Project catalog
Get started working with Shawn quickly with these predefined projects.
Get started working with Shawn quickly with these predefined projects.
You will get your custom ai app with chat gpt and ai models
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