- Designed & implemented a JSON-parsed table configuration system with great scalability & flexibility - Collaborated on feature development using JavaScript for a taxi service app catering to individuals with disabilities across various European countries - Contributed to feature implementation using JavaScript for a comprehensive intermittent fasting app designed to guide users in adopting and maintaining structured fasting routines - Implemented new features using Javascript for an interface enabling remote device control, analytics monitoring, command sending, and template creation for new devices - Developed new features using Javascript for a task management system, facilitating user communication, task creation, and process control