- Leading a development team to rebuild a cloud telephony platform with complex business requirements from the ground up into a new technology stack, with minimal disruption of its 50.000 existing customers- Significantly improved the UX/UI and overall customer experience- Redefined and streamlined the product offering

Developed a functional prototype of a decentralized community credit system for the Ethereum network (Solidity smart contract with React UI).

- Responsible for the vision, design and development of a collaborative network for the tourism industry- Managing partners and stakeholder and dialing in product-market fit- Signed up several large tourism companies as customers

As an expert on mobile app development, advised on several projects - Best practices for a new hotel facing mobile app- Interaction design of a new city guide app- Setting up a closed user group of hotels for a hotel facing app

- Defining, building and launching a new messaging app that grew to a user base of 7 million users worldwide and reached #1 in several App Stores across the world- Leading the development and design teams (iOS, Android, web, back-end)- Improved agile processes and team collaboration, increasing velocity 10x,while simultaneously improving quality and output predictability- Project lead for the development of a messaging platform for Gree, Japan’s largest social media company, valued at $3.5 billion USD. Established a very effective and highly appreciated remote working collaboration with Gree’s teams in Japan.

Product development, design and management of a web based hotel group booking engine/auction focussed on connecting European hotel supply and Chinese tour operators demand. This facilitated our own hotel booking operation in China and gave our customers the tools to conveniently put their hotel room demand for large groups in many locations up for auction.

- Architected, launched and product managed an online reservation and auctionsystem for hotel group bookings for the Chinese tour operator market- Unlocked annual revenue growth from €10k to €9 million