Payments Gateway: Architected and engineered the development of a robust payments gateway platform catering to 300 million global users, resulting in a notable increase in conversion rates. This platform comprises microservices facilitating payments through diverse regional payment methods.

- Empowered users to access and manage their cards, offering an enhanced experience for card orders that included delivery and reordering.- Played a key role in creating the MoneyBeam payment method which allows users to send money to their smartphone's contacts without knowing their bank account details

Developed the Pay Per Kilometer car insurance product that enables customers to only pay for the distance they drive

- Development of cloud services- Shaping the development strategy and the feature requests

- Organizing the weekly based Lab activities for the students- Creating lab manuals (programming based) in correspondence to the theoretical lectures- Supporting the students in their programming difficulties- Evaluating the assignments, lab quizzes and lab activities