Devin Sewell

Software / Firmware

Expert in native iOS (proficiency in SwiftUI, UIKit for Swift5 & ObjC), Android platforms(Kotlin, Java), and Embedded systems (ESP-IDF, nRF SDK). I specialize in the augmentation and migration of established codebases and am versed in software design and new product inception.

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

3 years ago (Current)

Hive Lighting

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

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

4 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

4 years ago

GliscoTech: multi-channel smart growlight

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

6 years ago

REX: procurement management as a service

SaaS Development, Gov

7 years ago

Chronos: do more with your watch

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

8 years ago

Edyn: connected garden

Objective-C, Data Visualization, IoT

9 years ago

Rain Local: precision geo-targetted mobile marketing

Objective-C, Node.js

10 years ago

NBC/Yahoo: SportsDash live curation system