Mariia Mikhalchenko

• Built the frontend from scratch using Next.js for an internal PDM system. • Implemented authentication with role-based access control and permission-driven UI. • Developed a reusable component library using PrimeReact and Tailwind CSS to ensure UI consistency. • Built a REST API integration layer with centralized error handling. • Established testing practices using Jest with unit and integration tests. • Collaborated in a cross-functional Agile team, using CI/CD for testing and deployment.

• Developed a website using React and SCSS, optimizing components and images to reduce load time by 20% (LCP to 1.9s, FCP to 1.3s). • Built dynamic React components integrated with a database, reducing manual content update effort by 80%. • Ensured responsive design across devices and improved accessibility compliance. • Collaborated with backend developers and designers in a cross-functional Agile team. • Leveraged Figma prototypes to accelerate design approvals by 30% and improve team communication.

• Defined technical requirements and coordinated with development teams, increasing requirement coverage by 80% through BRDs and UAT. • Managed marketing technology stack: SAP Hybris, Google Analytics, and SEO, boosting website traffic by 20% and improving search ranking by 3 positions. • Streamlined business processes using Jira within an Agile/Scrum workflow, reducing project delivery time by 25%. • Developed web pages using HTML and CSS, improving user engagement by 30% and conversion by 15%.