Hi, I'm Steffen Weidenhaus

Full Stack
Software Engineer

  • 🇦🇺 Permanent Resident - Full working rights
  • 💻 12+ years of software engineering expertise
  • 🧪 Currently contracting for the Australian Research Data Commons
  • 🗣️ Spoken languages: English / German / Mandarin
astro Astro
go Go
java Java
javaScript JavaScript
nodejs Nodejs
react React
typeScript TypeScript
astro Astro
go Go
java Java
javaScript JavaScript
nodejs Nodejs
react React
typeScript TypeScript
astro Astro
go Go
java Java
javaScript JavaScript
nodejs Nodejs
react React
typeScript TypeScript

What I do:

  • Full Stack Development
      •
    • Front-End Engineering
      • •
    • Back-End Architecture
      • •
    • Database Solutions
  • AI/ML Integration
      •
    • Generative AI Implementation
      • •
    • Vision AI Solutions
      • •
    • Hybrid AI Architecture
  • Cloud & Infrastructure
      •
    • AWS Ecosystem
      • •
    • Security Engineering
      • •
    • Digital Twin Solutions

Some of my work

Projects

Work Projects

Node-based UI

Node-based UI

Demo of a Node-based UI

POC I did for a financial services company in Germany. A visual programming interface that lets users build work- and dataflows by connecting nodes in an intuitive drag-and-drop environment.

React TypeScript Charts Graphs UI/UX
Video
Research Activity Identifier

Research Activity Identifier

Australian Research Data Commons (ARDC)

A system for identifying and tracking research activities across Australian institutions for the ARDC.

Research React TypeScript Java SpringBoot API
Live Website

Fun Projects

SSE Horserace

SSE Horserace

Go-based server-sent events

A real-time horse racing game using server-sent events for live updates and interactive gameplay.

Go SSE TypeScript Real-time Streaming
Live Website GitHub - App GitHub - API
Transpo Trivia

Transpo Trivia

Guess the train station

A trivia game challenging players to identify Australian train stations from maps, testing transportation knowledge.

React Next.js Geolocation Game
Live Website

IoT Projects

RFID & MQTT

RFID & MQTT

Change bulb colour through RFID & MQTT

An IoT project that uses RFID tags to control smart bulb colors through MQTT messaging protocol.

RFID MQTT ESP8266 Smart Home
Video
Immersive Web Dev

Immersive Web Dev

Change bulb colour through HTML and MQTT

A web interface that allows users to control smart bulb colors through a browser using MQTT connections.

HTML MQTT JavaScript Web Control
Video

There are dozens of other projects. Get in touch if you want to see more.

Let's talk

Contact

Have a question or a project in mind? Feel free to reach out.

Sydney NSW 🇦🇺
Send me an email weidenhaus@gmail.com