Denis B.

As a Node.js Developer, focused on building and maintaining scalable server-side applications using Node.js and Express.js. Developed RESTful APIs and integrated databases such as MongoDB and PostgreSQL to manage data flow between the front-end and backend. Worked on optimizing application performance and ensuring smooth handling of concurrent requests. Collaborated with cross-functional teams to design and implement real-time features using WebSockets. Implemented authentication and authorization systems, integrated third-party APIs, and deployed applications on cloud platforms like AWS and Google Cloud, ensuring robust and efficient backend architecture.

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As a Node.js Developer, developed and maintained high-performance backend systems using Node.js and frameworks like Express.js and NestJS. Designed and implemented RESTful APIs, integrated both SQL and NoSQL databases, and optimized server logic for handling large volumes of data. Collaborated with front-end teams to ensure seamless communication between client and server, while implementing real-time functionality using WebSockets. Focused on security by developing authentication and authorization features, and worked with cloud services like AWS for deployment and scaling, ensuring efficient and reliable backend solutions.