Develop and maintain scalable web applications and backend services using Node.js. Develop and optimize backend services for high-load environments, handling concurrent requests and improving application performance, scalability, and reliability. Design and implement features across the full software development lifecycle, from analysis to delivery. Develop React-based applications and interactive user experiences. Implement statistics and data-driven features for educational platforms. Troubleshoot and resolve issues in production applications, ensuring reliability and code quality.

Developed Single Page Application for language exchange. Built Node.js and PostgreSQL backend. Implemented Redux state management.

Developed backend services with Node.js and MongoDB, optimizing database performance. Implemented JWT authentication and authorization for secure API access. Developed frontend applications using React and Redux. Containerized applications with Docker and deployed solutions on AWS. Applied software development best practices and design patterns to build maintainable solutions.

Financial automation using Python and VBA. Created SQL dashboards and reporting. Led Scrum-based process improvements.