Slava Hatnuke is a seasoned web developer who has been in the industry for 15 years, working for various companies in the E-commerce, AdTech, Customer Experience, and MarTech sectors. With a focus on technical tasks and business goals, Slava excels at finding solutions that satisfy end-users. He has worked extensively in marketing automation, CRM, CDP, and DMP, all of which involve customer data and behavior tracking, data/stream processing and analysis, and data synchronization & pipelines. Slava's tech stack is extensive, including cloud services such as AWS and GCP, backend development using Node.js, Express, Hapi, and GraphQL, and frontend development using popular frameworks like Angular, React, and Vue. He is proficient in JavaScript and TypeScript and has experience with message queues, events, virtual environments, marketing & e-commerce specific APIs, notifications, and hosting among others. Slava is also a firm believer in coding principles and methodologies, using OOP, FP, TDD, BDD, and Agile dialects, SCRUM, XP & Kanban principles while writing clean code.