Denis is an Integration Engineer with extensive experience in backend development, system integration, and automation. At Integrera, he designs and implements integrations, REST APIs, MySQL databases, and custom workflows that connect platforms and streamline processes for international clients. His work is centered on building stable, scalable, and efficient systems that perform reliably in real production environments. Before joining Integrera, Denis worked as an Integration Developer at IntegrationMatters, where he developed Java-based backend solutions, Mulesoft integrations, and complex multi-platform data synchronization. This experience gave him a deep understanding of enterprise systems, large-scale architectures, and the challenges of real-world engineering. His technical expertise covers Java, JavaScript, DataWeave, MySQL, REST API development, HTML, CSS, and React. Beyond technical skills, Denis is known for clear communication and the ability to explain complex concepts in a simple, practical way. Through his mentorship, Denis helps students develop real engineering skills from backend fundamentals to system architecture while teaching them how different parts of a system interact behind the scenes. His goal is to prepare students for real-world development challenges and guide them toward becoming confident, capable engineers.