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Devin Sewell

Software / Firmware

10 years experience iOS (SwiftUI, UIKit for Swift5 & Objective-C), 7 years experience Android platforms(Kotlin, Java), and 8 years experience Embedded systems (ESP-IDF, nRF SDK). Also hardware schematic, PCB design, BOM management, and industrial design. 20 year front-end and server-side experience.

  • SwiftUI
  • Swift5
  • Kotlin
  • Java
  • Embedded-C
  • ESP-IDF
  • NordicSDK
  • Php
  • Python
  • Relational Databases (SQL)
  • NoSQL DB
  • Time-series DB
  • C#
  • .NET

4 years ago (Current)

Hive Lighting

Lead Software/Firmware Engineer, including development for: Crestron, Quazar Science, ERP Lighting, B-K Lighting

ESP-IDF/NordicSDK Firmware(Embedded-C), iOS(Swift), Android(Java)

5 years ago

Ciye: in-goggle display and activity tracker

OTA swift based highspeed BLE file transfer (10mb <4 min),Porting Swift to React Native, BLE PLX, Firebase

6 years ago

GliscoTech: multi-channel smart growlight

Firmware Development(ESP-IDF), OTA device control API, Progressive Web App Development, IoT

7 years ago

REX: procurement management as a service

SaaS Development, Gov

9 years ago

Chronos: do more with your watch

Objective C, Data Visualization, Core Bluetooth, NordicSDK, Product Design

10 years ago

Edyn: connected garden

Objective-C, Data Visualization, IoT

11 years ago

NBC/Yahoo: SportsDash live curation system

Live TV Broadcast, Browser-based Content Curation Development, Real-time twitter content, Network Fail-safe Caching, Front-end Development