Ervin Weber is a community activist, and founder of Google Cloud developer community in Tallinn (Estonia) who currently works as Infrastructure Lead at Pactum AI. Štěpán Kaiser and Ervin talked about his passion for computer science, his road from Toggle to Pactum AI, and about developer community or e-Residency and e-Government in Estonia. Pactum is an AI-based system that helps global companies to automatically offer personalized, commercial negotiations on a massive scale. The system adds value and saves time for both the Pactum client and their negotiation partner by aligning their values to determine win-win agreements via an easy-to-use chat interface that implements best-practice negotiation strategies. The company is based in Mountain View with engineering and operations in Estonia. Pactum is backed by founders of Skype and TransferWise and built by luminaries from Skype, Starship Technologies and the Government of Estonia’s e-Residency program.