The most selective invite-only community of founders and venture capitalists. Based on Blockchain technology.

Next gen NFTs and one of the first projects ever to be hooked up to OpenAI/Chat GPT3. Unique characters giving holders exclusive features such as totemchat, totemstory and totemzoom.

Built a boilerplate for developing Dapps on the Starknet L2.

What we did:- Designed and implemented a scalable microservice architecture following event sourcing, CQRS and DDD patterns (Redis, ELK, Node.js, GraphQL, Prisma)- web app (Typescript, ReactJS, Redux, Apollo)- mobile app (Cordova, ReactJS, Redux, Apollo)

Built the information hub for the Ethereum smart contract programming language Vyper.https://vyperhub.iohttps://github.com/vyperhub-io

What I did:Worked on a variety of small and medium sized projects including the following technologies: - ReactJS, Redux, NodeJS, MeteorJS, REST API's, MySQL, MongoDB

See https://github.com/ssteiger/vyper-contract-gui

Created one of the first NFT projects ever, during the creation of the ERC721 standard.

managementwissenonline.deWhat I did:- Migrated a 7+ year old PHP/SQL stack to NodeJS + MonogoDB including x0.000+ articles and x0.000 users- Integrated multiple payment solutions including recurring payments- Setup a system for automatic generation of PDF invoices and payment reminders- Setup several large backend tools for user-, accounting- and content management

What I did:- Worked with a small development team, improving the existing WebApp (MeteorJS, Javascript, Handlebars, MongoDB)