Freelancer profile translated to English.
Back to original languageAbout Jan
I am a Fullstack Software Engineer with a focus on Java and TypeScript-based web applications, comfortable across the entire stack. From architecture and backend design to modern frontends.
I have experience in developing and enhancing complex business applications in production environments. I work with technologies such as Spring Boot, Quarkus, Angular, React, Node.js, and SQL and NoSQL databases, and independently implement features in both frontend and backend.
In several projects, I have taken on responsibilities beyond classic developer tasks, acting as a technical point of contact in small teams, co-shaping architectural decisions, coordinating features, and ensuring code quality.
I am particularly comfortable in demanding, data-driven systems with clear business requirements, where clean architecture, scalability, and sustainable implementations are crucial.
I work in a structured, solution-oriented, and reliable manner in agile teams, bringing both implementation power and a good understanding of product and user requirements.
German
Native or bilingual
English
Fluent
French
Basic
Remote only
Primarily works remotely
Experience
- OpenconceptFullstack Software DeveloperDIGITAL AND ITMarch 2025 - Today (1 year and 3 months)Development of modern web applications for federal agencies in the energy and administration sectors. Focus on clean software architecture, robust backend logic, and the implementation of complex, business-critical functional requirements. I work on long-lived enterprise systems that place high demands on stability, security, and data processing. I am involved in both technical conception and implementation, and I implement functions across the entire stack. I also continuously optimize existing systems in terms of maintainability, performance, and extensibility in agile teams.
- Universität FribourgContribution to Dissertation ProjectFebruary 2023 - Today (3 years and 4 months)Development of an interactive web application for a dissertation project on data collection and analysis in the field of language learning and user interaction.
- Webapps GmbH,Fullstack Software Engineer Web/JavaApril 2022 - December 2024 (2 years and 8 months)Participation in several web platforms: feature development, bug fixing, redesigns, and modernization of existing applications in agile teams.
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Education
- Master of ScienceUniversity of BernMaster of Science
- Bachelor of ScienceUniversity of Bern2024Bachelor of Science