# Julian Karhof > UI / UX Design & Frontend @ki:elements Location: Berlin, Berlin, Germany Profile: https://flows.cv/juliankarhof Making things work, beautifully. ## Work Experience ### UI / UX Designer & Frontend Engineer @ ki:elements Jan 2023 – Present ### Full Stack Engineer / Co-Founder @ Etournity Jan 2020 – Jan 2024 | Berlin, Germany Development of an open source tournament hosting platform with multiplayer features and highly scalable infrastructure. Building of a React/NextJs frontend with Material UI and work on a custom component system. Work on testing with cypress and storybook. Building and improving a horizontally scalable GraphQL Backend based on Express and Apollo with Prisma. Work on a PostgreSQL database as well as usage of Redis for scaling of websockets (subscriptions). Testing with jest. Pentesting and securing the front and backend with common tools and frameworks. Request limiting and prevention of deeply nested queries. Building and maintaining high availability and scalable infrastructure on AWS with terraform, docker and GH Actions. Automatic testing and deployment of code from GitHub. ### Full Stack Engineer @ Sameday Health Jan 2022 – Jan 2022 Development of an online web store -like application including a checkout flow and RESTful backend in an agile team. Testing, linting and QA setup as well as availability monitoring. ### Full Stack Engineer @ Isardigital GmbH Jan 2019 – Jan 2022 Setup and development of 2 flutter apps including state management and interfacing with an express backend Development of an interactive video conferencing web application with multiplayer features (websockets) and high availability infrastructure (fullstack) ## Education ### Bachelor of Science - BS in Software Engineering CODE University of Applied Sciences ## Contact & Social - LinkedIn: https://linkedin.com/in/juliankarhof - Portfolio: https://julian.karhof.net --- Source: https://flows.cv/juliankarhof JSON Resume: https://flows.cv/juliankarhof/resume.json Last updated: 2026-03-31