Oliver Dressler

Software engineer, PhD ETH Zürich. This is a text version of oli.show, which renders the same content as an interactive scene.

Software

Lean Scribe

VSCode extension for rendering and running context-rich Lean 4 prompts using state-of-the-art LLMs.

  • Render context-rich prompts using the current open Lean 4 file.
  • Query multiple state-of-the-art large language models.
  • Define prompts as shareable markdown files with Jinja templating.

VSCode Extension · Lean4 · TypeScript

Prompt Now!

leanclient

Python client to interact with the lean4 language server.

  • Interact: Query and change lean files via the LSP.
  • Fast: Typically more than 99% of time is spent waiting.
  • Parallel: Easy batch processing of files using all your cores.

Lean4 · Python

Interact Now!

pynanite

Automatic level of details for 3D models.

Implementation in Python based on Unreal Engine's LOD system.

  • Automatic level of details for 3D models without artist input.
  • Relatively performant for a Python implementation.
  • Algorithm based on graph partitioning.

Python · Scipy et al. · Rendering

Render Triangles Now!

Structure of Lean

Visualizing the proof structure in Lean and Mathlib.

  • Visualizes the dependencies of lean4 and mathlib4 proofs on a theorem level.
  • Interactive graph visualization using sigma.js.
  • Static website, all content is loaded at page load.

Svelte · Lean4 · sigma.js

Visualize Now!

Winery Map

Explore 31k+ wineries in this interactive map.

Find your next wine tasting destination!

Checkout the github repository.

  • Scraping worldwide winery data.
  • Assigning wineries to their correct region.
  • Ensure good performance even on mobile.

TypeScript · Browser · Data Science

Taste Now!

Proof of Groove

We move together
We groove together

Proof of Groove is an NFT, generated using a fully decentralized synthesizer.

  • Uses a custom subgraph to create NFTs fully decentralized.
  • Each NFT is a unique SVGs with embedded raw WAV signals.
  • Complete procedural generation in WebAssembly.

Music · WebAssembly · Solidity · React

Groove Now!

Scrapsters

Sustainable Shopping with Scrapsters

Winning project for the HackZurich 2023 Migros challenge!

  • A sustainable Migros MANIA.
  • Kids can upcycle packaging into toys, decorated with QR code stickers.
  • The QR codes lead to custom generated audiobooks about this scrapster.

Upcycling · Vue.js · Flask · LLM

Devpost

This Page

Solar system 3D portfolio page.

Let me know if you find any bugs ;-)

  • Interactive 3D visualization using three.js.
  • Easily configurable using JSON.
  • CI/CD via Github Actions.

TypeScript · Three.js

Repository

Spider Box

A small AR experiment of a spider living in a box behind your screen.

Maybe I'll turn it into a scary tamagotchi one day.

  • Uses ARCore to track face position relative to the screen.
  • Parallax projection produces a convincing depth illusion.

Unity · AR Core · Android · csharp

Contain Now!

CoCrafty

Develop startup ideas. Easy. Together.

CoCrafty is a collaboration platform for developing startup ideas.

  • A variety of collaborative real-time tools: Mind-mapping, chat, ...
  • No longer actively maintained. Use it while it's still online!

Flask · JavaScript · Cloud · Socket.io

Collaborate Now!

The Pixel Democracy

Majority rules, period!

Collaborative drawing board. You decide where the line goes next!

Flask · JavaScript · Socket.io

Draw Now!

Work

Math, Inc.

Math, Inc. builds AI systems for machine-checked mathematics.

As a Founding Research Engineer I worked on large-scale autoformalization in Lean 4.

  • Agent tooling for AI-assisted formalization of mathematics.
  • Evaluation pipelines for machine-checked proofs at scale.

Lean4 · LLM · Python

Formalize Now!

Human Edge

The next step in asset management.

Human Edge provides systematic investment solutions.

  • Responsible for technical decisions and architecture (CTO).
  • Train machine learning models for investment strategies.
  • Develop and maintain our Flask-based web app.

Scipy et al. · Machine Learning · Cloud

Invest Now!

Lecturing at FFHS

I lecture multiple courses at the Fernfachhochschule Schweiz, a university of applied sciences.

My focus is on applications of large language models, blockchain technology and software development in general.

  • Lecturing on practical applications of LLMs.
  • Teaching technical aspects of blockchain technology.

LLM · Blockchain · Solidity

Learn Now!

QuickPool by Ardeo

Ardeo is providing cutting edge shift planning solutions.

I support them as a freelancer with software development and technical decisions.

  • Developed shift validation system.
  • Integrated and customized automatic shift planning.

Angular · Ruby · Clojure · Machine Learning

Optimize Now!

Winnie & Tack

Go on a hike and experience an interactive adventure with Winnie and Tack.

Listen to the audio book and make your own decisions.

  • Two adventures available, two new ones coming soon!
  • Cross-platform app released on Android and iOS.
  • During the adventure no internet connectivity is required.

Unity · Android · ios · csharp

Experience Now!

Digital Literacy

Strengthening digital opinion-forming with simulations.

Developed with Dezentrum and the Risk Dialogue Foundation.

  • Experience online phenomena and risks in this simulation.
  • Real-time chat using socket.io.
  • Simple access to simulations via link.

Flask · Vue.js · Socket.io · Cloud

Discuss Now!

PhD in Chemical Engineering

I completed my PhD in Chemical Engineering at the ETH Zurich.

My research focused microfluidic technology and how to control it using machine learning.

  • Droplet microfluidics using lab-on-a-chip devices.
  • Application of reinforcement learning from image data for real-time microfluidic control.
  • 3D-printing of fluidic structures for larger scale devices.

Microfluidics · Machine Learning · Python

My Publications

Games

Vector Flow

Casually roll balls towards enemies. Pick the correct position to eliminate all targets.

Unlock specials to increase your chances!

  • Patchinko with enemies!
  • Required lots of level design.

Godot · Android · HTML5

Flow Now!

Infinitea

Do you feel like having a tea? Then this is the game for you.

Just keep on brewing!

Our try at an incremental game.

JavaScript · Browser

Brew Now!

Ready for Takeoff

Manage a small airport with your friends. Help passengers reach their destination.

This real-time, multiplayer game requires a lot of teamwork!

  • Real-time multiplayer using Godot remote procedural calls.
  • A server (also coded in GDScript) runs all current instances of the game.

Godot · Cloud · Android

Fly Now!

Macro Mate

Multiplayer chess on a map!

Proof of concept for a single player
(+ bots) version of the game.

  • Many more game states than chess.
  • Required heavy simplifications to make an AI feasible.
  • Tree search with alpha-beta pruning.

Python · Scipy et al.

Play Now!

Cinemoji

Think of a movie.

I will guess your movie based on emojis.

  • Use ChatBot for "level" generation.
  • No API calls needed during play.
  • Suggest emojis based on likely movies.

LLM · TypeScript · Browser

Try Now!

Rocket Kite

Fly your rocket kite among the planets.

Use gravity and collect all checkpoints.

  • Multi-body physics simulation.
  • Monochrome with varying color schemes.
  • Published for Android using buildozer.

Python · Kivy · Android

Fly Now!

Wiki Hike

Find the connection between two random articles on wikipedia. Keep moving forwards.

There are quite a few surprising links.

  • Required reducing the complete simple wikipedia down to 4.2MB of adjacencies.
  • User downloads the complete data set.
  • Game runs locally in the browser.

JavaScript · Browser

Hike Now!

Cloud Tower

Build a tower of clouds and reach new heights in this small game.

First Godot game published on Android.

Godot · Android

Stack Now!

Bite

A short game about a hungry vampire with water color art.

Drink enough blood to survive 2 years.

Don't kill the parents.

Painting · JavaScript · Browser

Drink Now!

Scurry

Keep your rabbits save by whistling. Just chill and whistle...

Developed for a game jam using Godot.

  • Developed in 15h.
  • Custom soundtrack: Rabbit Bop.

Godot · HTML5 · Ableton Live

Whistle Now!

Music

Soundtracks

A collection of over 50 short soundtracks for games, audio books and animations.

Composed and rendered using Ableton Live.

Free download available on freesound.org.

  • All tracks are released to the public domain under CC0.
  • Variety of styles, whatever I feel like :D

Music · Ableton Live

Listen Now!

Proof of Groove

We move together
We groove together

Proof of Groove is an NFT, generated using a fully decentralized synthesizer.

  • Uses a custom subgraph to create NFTs fully decentralized.
  • Each NFT is a unique SVGs with embedded raw WAV signals.
  • Complete procedural generation in WebAssembly.

The Graph · WebAssembly · Solidity · React

Groove Now!

The Floating Seconds

For many years we have developed our unique blend of instrumental progressive rock.

Unfortunately this band is no longer active but you can still listen to our music for free on Soundcloud.

In this live recording I was playing synth and was involved with composition and 'mastering'.

Synth · Ableton Live · Drums

Listen Now!

About

Biography

Hi, I am Oliver Dressler.

Software engineer with a PhD from ETH Zürich. I build systems where software meets hard problems: AI for machine-checked mathematics in Lean 4, quantitative investment platforms and automated scientific instruments.

Located in Switzerland.

Check out my current work.

This Page

Solar system 3D portfolio page.

Let me know if you find any bugs ;-)

  • Interactive 3D visualization using three.js.
  • Easily configurable using JSON.
  • CI/CD via Github Actions.

TypeScript · Three.js

Repository