Stefan Jung

Full technical ownership of a customer application, including architecture, UI/UX design, and implementation. Main technical point of contact for the customer, working closely with project management on scope, priorities, and delivery.

Founder, Developer and Product Owner of Shelto, a mobile platform for bikepackers and outdoor enthusiasts. Owned the full product lifecycle from product vision and roadmap definition to UX and UI design, development, release management, and ongoing iteration based on user feedback. Responsible for product discovery, feature prioritization, backlog management, and translating user and business needs into clear product requirements. Built and launched the product from scratch, including mobile architecture

Owner of an online poster shop focused on custom and digital poster designs. Responsible for product creation, shop management, customer communication, and order fulfillment. Managed end to end operations including product listings, pricing, marketing, and customer support.

Led and managed a team of project managers, responsible for delivery oversight, prioritization, and alignment across multiple customer projects. Defined strategic priorities, ensured consistent planning and execution, and aligned team goals with business and customer objectives. Acted as escalation point for delivery risks, conflicts, and capacity planning, ensuring timely project execution and high customer satisfaction. Worked closely with stakeholders and management to optimize processes, improve cros

Held a dual role as Software Developer and Project Lead for mobile software products in the forestry sector. As Project Lead, I owned project planning, delivery coordination, and customer communication, acting as the primary interface between stakeholders and the development team. Responsible for gathering and refining requirements, translating them into user stories, and aligning scope, priorities, and timelines with customers. As Software Developer, I contributed to cross-platform mobile applications u

Worked as React Native developer for customer-facing mobile applications, contributing to both frontend and backend development. Developed mobile features using React Native and TypeScript and supported backend services using Python and Django. Actively participated in requirements definition and user story creation in close collaboration with product and business stakeholders. Served as technical contact in sales and pre-sales activities, supporting customer workshops, requirement analysis, and technica

Implementation of mathematical specifications from scientific publications in source code. Development of extension of the web-based user interface of Moodle plugins. Troubleshooting based on issues reported by research partners and other universities worldwide.

Development and implementation of a new navigation and information concept for the university’s website and its maintenance.

Android app development for companies; The Sun, Go-Ahead Group (UK Rail) Creating and implementing user stories, fixing bugs, implementing unit tests, participation in decision-making process for new app features.

Development of stand-alone software products for the forestry industry. Implementation of predefined design concepts and development of software extensions.

Apprenticeship. Learning the fundamentals of software development. Maintenance of software projects and developing Windows Phone Apps.