Derek Jung

Full-stack developer with 3+ years specializing in end-to-end product development.

My Name is Derek 👋

I am a Full-Stack Developer driven by a passion for building scalable solutions that prioritize performance, reliability, and impact.

Solo Developer @ GemLog.dev

Featured Work

Selected projects I'm proud of

Mosafe

Full Stack

Safety Management

Fleet management platform providing real-time vehicle monitoring and driver safety solutions.

OrderNow.au

Full Stack

POS System

Rebuilt POS kiosk ordering system, reducing order processing errors by 35%.

GemLog.dev

Chrome Extension

SaaS

AI-powered developer learning journal - Chrome extension SaaS achieving 30+ users with instant capture and weekly AI recap.

Coming Soon

Project #4

TBA

Content is being prepared...

More Projects

Beyond Portfolio

Let's know more about me

Tech Stacks

Core technologies I use.

ReactNext.jsTypeScriptJavaScriptNode.js.NET CorePythonAngularReact NativeIonicTailwind CSSReduxAWSAzureMongoDBPostgreSQLSQL ServerSupabaseFirebaseWebSocketREST API

Brisbane, Australia

Beyond Code

My interests.

Brazilian Jiu-jitsu

Reading

UX|UI design

About Me

Building products that matter

Years Experience

Specializing in end-to-end product development with proven track record.

10+

Projects Delivered

From bug fixes to reusable components and MVPs - delivering scalable solutions.

Recent Work

A selection of projects I've worked on

Recent Work

GemLog.dev

Launched2024-current

Chrome extension SaaS that captures coding insights in one shortcut. Built end-to-end product from user research to deployment in 4 weeks, achieving 30+ users with template-based journaling system.

Validash.live

Launched2024-25

SaaS platform helping local businesses identify technical SEO issues blocking customer calls. 47-point technical review with call blocker analysis, delivering 24-hour audits. Built for Australian market.

Aladdin's Houston

Completed2024

Optimized WordPress SEO through JSON-LD structured data implementation and Google Business Profile integration. Achieved 13% increase in organic search traffic and sales conversions.

Upwork Freelancing

In Progress2024-current

Delivering custom web solutions including Aladdin's Houston SEO optimization (13% traffic increase) and OrderNow.au POS system rebuild (35% error reduction). Specialized in educational technology and AI-powered platforms.

Latest Insights

Thoughts and learnings from my journey