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  • Sydney
    NSW, Australia
    hello@korijacobsen.au

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My Work - Products I've built and owned end-to-end

I'm an engineer who owns products from concept to production. These projects showcase my focus on both frontend UI/UX, and backend systems and system design.

Product-First Projects

Examples where I've thought about a problem I wished to tackle and build a client-facing product to solve it.

JobRef Image-First Job Documentation Platform
2 . 1 . 2026

JobRef

A product for field service businesses to document work transparently using images as the primary source of truth. Designed to make job documentation feel natural rather than like admin.

2 . 1 . 2026

Gemini Competition Entry

A Chrome sidebar extension built for a Google Gemini competition, enabling page-aware chat, selective element querying, and voice-driven interaction directly within the browser.

Sydney Property Data Pipeline & Analysis Tool
2 . 1 . 2026

Sydney Property Data Pipeline & Analysis Tool

A data engineering pipeline that ingests raw public property data and turns it into clean, analyzable suburb-level insights. Built as both a practical decision-making tool and a teaching project.

System-First Projects

Examples where I've seen a problem and designed/build a system first or a system as a product. .

Schma Real-Time Voice Backend dashboard entry view showing app statistics and session history overview.
2 . 1 . 2026

Schma.ai

A full-stack system for turning messy, real-time speech into structured, traceable outputs. Focused on low-latency pipelines, schema-driven parsing, and observability rather than naive LLM prompting.

Multi-Tenant SaaS Template
2 . 1 . 2026

Multi-Tenant SaaS Template (Remix, RBAC & Billing)

A reusable SaaS foundation with authentication, role-based access control, billing, and audit logging. Built to handle the boring but critical parts of production SaaS correctly from day one.

Real-Time Claim Extraction & Fact Verification System
2 . 1 . 2026

FactDat

An exploratory system for extracting and verifying factual claims from spoken content. It was focused on end-to-end 'claim checking', but the new focus should be on claim atomisation, traceability, and grounded reasoning

Early Website Work

Early website projects from my transition from Webflow to Next.js and Remix.

4 . 25 . 2024

Rebuilding the Classic Gymnastics website

I redid the Classic Gymnastics website in Next.js to improving website performance and adjust the styling to be more inline with modern standards.

4 . 25 . 2024

Moving from Wix to Shopify | Rebuilding Resellerstore

I helped Reseller finish their website design that was originally done with Wix a while back. Now their business is expanding and they want to launch an e-commerce store, which I advised was best done on Shopify.

Rome Gym Thumbnail of landing page
4 . 25 . 2024

From concept and design, to fully launched website.

I designed and developed a website for a ROME, a boutique gym in Sydney. The site is fully responsive and has a clean, modern design and incorporates multiple integrations with the gym's mobile app and booking system.

Open Source Exploration

Open source projects and explorations into new technologies.

Node Builder Template
2 . 1 . 2026

Workflow Builder Template (React Flow)

A reusable template for building graph-based workflow editors in the browser, focused on extensibility, state modeling, and validation rather than visual polish.

Open Source
4 . 25 . 2024

Standardizing Image Aspect Ratios for Seamless Web Integration

I developed a CLI tool in Go to normalize client images to common aspect ratios, simplifying the integration process into my own web designs.

Open Source
4 . 25 . 2024

Building an Open Source Image Optimizer for Remix.js

This case study details how a custom image optimization library for Remix was developed, inspired by Next.js's '<Image />' component, to provide a robust and flexible solution for both traditional and serverless environments.