Custom app development based on provided designs. Collaborated closely with clients to ensure that functionality and design met their expectations. Oversaw the entire development process from requirements gathering to deployment, ensuring timely delivery and adherence to quality standards.

Development of the first blockchain-based gambling platform. Responsibilities included designing the architecture, discussing technical solutions, and ensuring scalability.Also actively engaged in product feature discussions, collaborating with stakeholders to align technical capabilities with product goals.

Development of 0.0.0.0 VPN based on intelligent routing. The core idea is to keep the VPN tunnel always open, while traffic distribution is managed through servers. Integration of TON VPN was also implemented.Responsibilities included designing the architecture, coordinating the team of Android developers, backend engineers, designer, and DevOps specialists.

Support of a fintech project operating in the US and Europe, including development of new screens, code refactoring, feature implementation, and bug fixing.Also provided support for a Canadian POS system, addressing terminal and software bugs, and implementing new features.