Guitar
An interactive guitar-scale finder and fretboard practice tool — visualise any scale or mode across the neck.
React, TypeScript, Zustand, Tailwind, Radix UI, Web Audio, Vite
Sundberg Solutions
Full-stack development that actually ships. Backend, frontend and the AI in between, from one developer who owns the whole slice.
Problem first.
Code second.
I've been building software professionally for over a decade, across backend systems, full-stack products and, increasingly, AI-powered interfaces. I'm comfortable owning a full slice of the stack: from data schema and API design to UI animation and design tokens.
I reach for whatever fits the problem. React or Vue on the frontend, Node, Bun or Python on the backend, Go or Bash when a CLI is the right tool. What stays constant is starting from the problem, not the technology.
- Currently
- Happily employed as a senior software engineer. Available for interesting side projects and consulting.
- Previously
- Backend, full-stack, frontend. Various industries. Lots of greenfield projects.
- Outside work
- Music, technology, coffee and hiking.
Projects
Things I've built on my own time. Several are live, and the source for all of them is on GitHub.
Vibe-chat
A real-time group chat supporting over 100 AI models — swap between them mid-conversation and let them talk to each other.
React, TypeScript, Socket.io, Bun, Redis, Express, OpenAI, Anthropic, MCP, ChromaDB, Zod, React Router, Framer Motion, Tailwind, Vite, Turbo, Docker
Snippets
A personal code snippet manager with syntax highlighting, fast search, and a polished Glass-UI built from scratch.
React, TypeScript, Glass Design System, Tailwind, Zod, PostgreSQL, Node, Fastify, Vite, GSAP, Drizzle, Docker, React Router, React Query, CodeMirror, OAuth
Worldtemp
An interactive 3D globe of average monthly temperature — scrub through the year and watch the seasons move across the planet.
TypeScript, Three.js, WebGL, TopoJSON, Tailwind, Vite
Screw-it
A pedalboard for media files — patch effect pedals together with cables, turn the knobs, and render audio, images or video in a single ffmpeg pass.
React, TypeScript, Jotai, Vite, Node, Fastify, BullMQ, Redis, Zod, FFmpeg, Docker
Netstats
A server's live network traffic on a spinning globe — a Go collector sniffs packet headers, places each remote host on the map, and streams the arcs to the browser.
Go, gopacket, Server-Sent Events, TypeScript, Three.js, WebGL, TopoJSON, Vite, Docker
Particles
Millions of glowing particles you steer through 3D space with the mouse — simulated and drawn entirely on the GPU with WebGPU compute shaders.
TypeScript, WebGPU, WGSL, Tweakpane, Vite
Link-list
A self-hosted link saver — paste a URL and it's filed under the page's own title, in a category of your choosing, with Google sign-in and instant search.
React, TypeScript, Zod, Drizzle, PostgreSQL, OAuth, Express, Vite, React Router, React Query, Framer Motion, Tailwind, Bun, Docker
Glass Design System
The design system powering this site — glassmorphic components, animated backgrounds, and design tokens for dark-first UIs.
React, TypeScript, CSS, Tailwind, React Router, Vite
Exactaclock
A clock that tells true solar time at your exact longitude — up to half an hour off the one on your wall, with a map of the timezones to show why.
JavaScript, Leaflet, OpenStreetMap
Stargazing
A serene, real-time visualisation of the night sky rendered directly in the browser — no libraries, just maths and a canvas.
JavaScript, Canvas, Vite
Notes
Markdown notes with fuzzy search that forgives typos, a shortcut for every action, and an AI remix that rewrites a note in another voice.
Node, Express, SQLite, TypeScript, Sequelize, React, React Router, Zod, Tailwind, Vite, OpenAI, React Query, Framer Motion, Docker
Habits
Keep count of your habits, good and bad — tap + each time, and it works out your streaks, a year at a glance, and the hours and weekdays you tend to do it.
Vue, Pinia, Vue Router, VueUse, TypeScript, Tailwind, Vite, Node, Express, Prisma, SQLite, Zod, Docker
Domain Finder
Describe what you're naming and get AI name ideas, each checked for a free domain while you watch — straight from the registries' own RDAP servers.
React, TypeScript, Hono, Node, OpenAI, RDAP, Zod, Vite, Docker
Tabular
Upload a song and get a tab to play along with — the bass or guitar is separated from the mix, transcribed, fretted onto the neck, and scrolled in sync with the recording.
Python, FastAPI, PyTorch, Demucs, Basic Pitch, librosa, alphaTab, TypeScript, Vite, Docker
Shaders
A gallery of GLSL shaders, one technique at a time — turn the controls, scrub through time, edit the code live, and read the maths behind each one.
TypeScript, WebGL, GLSL, Tweakpane, CodeMirror, KaTeX, Vite
SpinCube
A glass cube with a glowing S at its heart — drag to spin it, hold to charge it, and let go to send a pulse through the light lines behind it. It's the hero of this site too.
JavaScript, Three.js, WebGL, GLSL, Vite
Personal Web Desktop
A desktop in the browser, first built for a university course — frosted-glass windows you can push around with several fingers at once, with a memory game, notes and themes inside.
JavaScript, Web Components, CSS, Vite
AWS Services Map
67 core AWS services laid out like a real architecture — pick one to see what it does and how it connects, or follow a guided tour through a common setup.
TypeScript, SVG, Vite
Sundberg Solutions
This site — prerendered at build time and hydrated in the browser, with SpinCube in the hero, and every screenshot on it taken by a Playwright script.
React, TypeScript, Glass Design System, Tailwind, Three.js, Playwright, Vite
What they're built with
Everything used across the projects above. Bigger means more projects use it.
Pick a technology to see which projects use it.
I can help with
Frontend engineering
- React, Vue & TypeScript
- Design system authoring
- Animation: Framer Motion & GSAP
- Canvas & real-time rendering
- Tailwind CSS & design tokens
- Component API design
- Accessibility (WCAG)
Backend & infrastructure
- Node.js, Bun & Python
- PostgreSQL, Redis, SQLite & MySQL
- ORMs: Drizzle, Prisma, Sequelize
- Real-time systems & WebSockets
- Background queues (BullMQ)
- Auth, OAuth & JWT
- Docker & containerisation
AI & tooling
- LLM & multi-model integration
- Vector databases & embeddings
- OpenAI, Anthropic & Langchain
- Developer tooling & CLIs
- System & API design
- Data modelling
- Greenfield project setup
Let's talk.
Have an interesting project, a tricky problem, or just want to connect? Send me a message and I'll get back to you.
