Alex Kurchenko

Full Stack Developer at LoadFlex

Increased operational efficiency by 35% through development of pricing, quotes, and shipping management modules. Automated quote request parsing with AI, optimizing workflow for operations. Reduced API response time and database load by 20% after optimizing queries and schema. Built a reliable JWT authentication system with middleware, improving login reliability. Increased test coverage by 30% with unit & integration tests (Jest, React Testing Library), lowering post-release bugs. Contributed to a 15% client retention boost by improving system stability and user experience.

Software Developer Intern at PAVS US

Completed a full-time internship program with 400+ hours of intensive training in modern web development practices. Contributed to building a fullstack web application for an IT education platform (React, Node.js, PostgreSQL) that supported 50+ active users during testing. Designed and implemented authentication, dynamic forms, and dashboards, improving user onboarding speed by 30%. Collaborated with a team of 6 developers in an Agile environment, participating in 10+ sprint reviews and code reviews. Strengthened problem-solving and collaboration skills in a production-like environment.

Fullstack Developer at Loadflex LLC

Developed scalable SaaS features using Next.js, React, and NestJS; built RESTful APIs and optimized PostgreSQL queries; implemented JWT authentication and RBAC; integrated third-party APIs to automate workflows; deployed services on AWS (EC2, S3) with Docker; maintained CI/CD pipelines; integrated LLMs to automate quotes, emails, Azure workflows, and internal tasks.