Ivan O.

A seasoned freelance web designer with over 16 years of experience specializing in enterprise-grade applications, delivering high-performance, user-centric digital solutions. Proficient in HTML5, CSS3 (including Flexbox, CSS Grid, Custom Properties), and JavaScript (ES6+), leveraging the latest web standards to create scalable and responsive interfaces for complex enterprise systems. Expert in modern JavaScript frameworks such as React.js (v18+), Angular (v12+), and Vue.js (v3+), ensuring dynamic and interactive user interfaces. Well-versed in CSS preprocessors like SASS (v1.43+) and LESS (v4.1+), with deep knowledge of build tools and task runners such as Webpack (v5+), Gulp (v4+), and Parcel (v2+) to streamline workflows and enhance performance. Skilled in responsive design techniques, using mobile-first frameworks like Bootstrap (v5+), Foundation (v6+), and Tailwind CSS (v3+), ensuring flawless functionality across devices. Adept in UI/UX design tools including Figma (v2024+), Sketch (v85+), and Adobe XD (v56+), crafting wireframes, prototypes, and high-fidelity designs that align with enterprise requirements. Experienced in integrating designs with back-end technologies through RESTful APIs (v2), GraphQL (v16+), and WebSocket (v2+), ensuring seamless, real-time data interaction. Strong focus on performance optimization, security, and cross-browser compatibility (Chrome, Firefox, Safari, IE11+), maintaining consistency and quality across enterprise-level projects.