Stefan Ćosić

Senior Software Developer – Shared Library (Groovy) - CIBS As a Senior Software Developer within the CIBS team at Wolters Kluwer, I am the sole developer responsible for the design, development, testing, integration, and ongoing support of the Shared Library. Written in Groovy, is a critical piece of software utilized by 50 teams across the organization, primarily on Jenkins servers. I manage the full software lifecycle, ensuring high availability, performance, and seamless integration across all teams.

As a dedicated member of the RTRK team, I played a key role in the maintenance of a TV application tailored for a leading Canadian streaming service. This application was Android-based and primarily developed in C++, with integrated Android service components to enhance functionality and ensure seamless performance across diverse devices. My responsibilities included designing, implementing, and optimizing features that improved user engagement and elevated the overall viewing experience.

Backend and Frontend Developer – RTRK Medical Site As a key member of a three-person development team, I contributed to the design, development, and deployment of the RTRK Medical site, a collaborative project focused on researching and evaluating the risk of secondary strokes. The project was conducted in partnership with five members from the EU, for a robust platform for medical professionals. My role involved backend development in Java and frontend development using Java, TypeScript and Angular.