DigitalCraftsman

Keiver Hernandez - workspace and lab

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Keiver is a Senior Software Engineer with 13+ years building web and mobile applications at small and large enterprise scale. Currently specializing in TypeScript, React, React Native and User Experience Design

He has previously shipped production apps and projects at Verizon, Pizza Hut and Catalis.

The projects below are experiments, tools, and games I build to explore new ideas and technologies.


TypeScriptReact NativeiOSAndroidtvOSUXNext.jsWCAG

Featured

May 2025

Cubita - Forest Runner Arcade Game

game, arcade, runner, ios, android

Swipe or tap your way through a vibrant forest, dodging trees and wildlife while the pace keeps picking up. How far can you run?

Mar 2025

Symbol Mind - Egyptian Hieroglyphs Memory Game

memory, game, egyptian, hieroglyphs, puzzle

Challenge your memory with this engaging puzzle game featuring authentic Egyptian hieroglyphs. Progressive difficulty levels and special cards make each game unique!

Feb 2025

Facel - Face Detection and Tagging App

ai, face-detection, photo-tagging, ios, android

Tag and label faces in your photos privately and securely. No cloud processing, no data collection - just simple, effective photo organization.

Feb 2025

Unicode Blocks Explorer

unicode, javascript, character-sets, utf-8, reference

Experimenting with unicode standard blocks. Use the slider above to scrub through the unicode blocks and explorer unicode characters in each block.

Dec 2024

Barlog - Barbell Plate Calculator App

react-native, typescript, ios, android, fitness

Barlog, barbell minimum plates calculator, iOS app, Android app, with Figma design, React Native code, and SVG images.

All Content

Jun 2025

Araname - Web Resources Inspector

web-dev, media-inspector, optimization, analysis, testing

A simple developer tool for inspecting, analyzing, and testing media resources on websites. Identify optimization opportunities and verify content implementation.

Mar 2025

Moji Grid - Japanese Kana Wallpaper Creator

japanese, hiragana, katakana, ios, android

Create beautiful, customizable Japanese character grids for learning and teaching. Arrange hiragana, katakana, and kanji with complete style control and easy export capabilities.

Jan 2025

Client-Side Face Detection with TensorFlow.js

tensorflow, blazeface, face-detection, web, javascript

Real time face detection directly in the browser using TensorFlow.js and the Blazeface model to detect faces via webcam feed or upload a photo. No installation required - try it.

Dec 2024

Bidirectional communication from Apple Watch App to React Native App

watchOS, React Native, Expo, TurboModule, WatchKit

Learn how to implement bidirectional communication between React Native and Apple Watch using TurboModules, WatchConnectivity framework, and TypeScript. Complete guide with code examples for iOS and watchOS integration.

Jun 2024

Fullscreen Slider, UX case study, figma prototype

design, ux, ui, experiment, accessibility

Experimenting with a full-screen slider for weight adjustments in a virtual barbell, exploring on UX and accessibility

Apr 2024

CircleSpace Canvas Game with Highscore

canvas, animation, html, javascript, game

CircleSpace, canvas animation experiment, game with levels and highscore, with controls and local storage where you need to avoid circle intersections and accumulate points.

Jan 2026

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+7 projects