Website Development: Further build out the foundations of our website to improve user experience and functionality. Platform Testing: Test our flight booking platform from our side, based on the work delivered by external developers, and provide feedback for improvements. Rail Integration: Work on integrating a rail solution, either via a white-label website or by implementing an API. Interactive Education Page: Make modifications and enhancements to our interactive education page to better engage and inform users on sustainable travel. API Design: Help design and conceptualize our API to support new features and integrations with existing travel agencies. Innovative Solutions: Develop a small solution for SAF (Sustainable Aviation Fuel) without flight booking, including integration with Google TIM, extracting and carving out code of our existing full travel agency platform. Studying or recently graduated in Computer Science, Software Engineering, Web Development, or a related field. Internship of minimal 4 months and should be part of your university curriculum. You have experience from a previous developer internship, or have worked on a developer student job. Passion for sustainable travel and aviation. Strong knowledge of web development (HTML, SCSS, JavaScript and Python) and familiarity with APIs. Analytical mindset and attention to detail for testing and troubleshooting. Creative thinking and ability to work independently (partly from home) and in a team. Strong communication skills; fluency in English. Knowledge of Dutch or French is a plus. Experience with backend or API development is a bonus. Experience with NextJs or plane ReactJs would be great Hands-on experience in a dynamic startup environment. Opportunity to contribute to a meaningful cause in the travel industry. Mentorship from experienced professionals in startup development and sustainable aviation, working together with our external development partner. Potential for future full-time employment or references for career advancement. We cover the cost of your commute when travelling to the office in Brussels or going for a day of work with our co-founder in Amsterdam. We pay your lunch when working in the office. Join our innovative sustainable online travel agency (OTA) based in Brussels, dedicated to making the aviation industry less harmful. We sell flight tickets including the surplus cost of SAF to sustainable festivals, SMEs, tour operators, freelancers, and individuals who deeply care about our environment.