Александр Долинский - CV Senior Front-end Developer

ANGULARHERO LTD (05.2022 — 02.2025) | Architected and developed three high-volume CRM systems for transport logistics, improving operational efficiency by 35% Optimized React application performance, reducing load times by 40% and improving Lighthouse scores from 65 to 92 Implemented responsive design principles ensuring seamless functionality across all devices Collaborated with UX/UI designers to create intuitive interfaces that reduced user training time by 25% Integrated complex data visualization components that improved decision-making capabilities for logistics managers Established code quality standards and mentored junior developers, resulting in 30% fewer bugs in production Implemented CI/CD pipelines that reduced deployment time by 60% Technologies used: React.js, TypeScript, Redux, PrimeReact, Metronic. INDAP (02.2020 — 04.2022) | Developed 20+ responsive landing pages and e-commerce solutions for various industries Implemented cross-browser compatible layouts using HTML5, SCSS, and JavaScript Created engaging user experiences with AOS and GSAP animations, increasing average session duration by 45% Optimized website performance, achieving 90+ PageSpeed scores and reducing bounce rates by 30% Built custom Webpack and Gulp configurations to streamline development workflow Collaborated with marketing teams to implement conversion-focused design elements that increased lead generation by 25% Technologies used: HTML5, SCSS, JavaScript, Webpack, Gulp, Vite.

Open International University of Human Development - Software Engineering (https://uu.edu.ua/)

HTML5 (SEMANTIC MARKUP, ACCESSIBILITY, WAI-ARIA) CSS3 (RESPONSIVENESS, FLEXBOX, GRID, ANIMATIONS) PREPROCESSORS: SASS, LESS JAVASCRIPT/TYPESCRIPT (ES6+) METHODOLOGIES: BEM, SMACSS, ITCSS CSS FRAMEWORKS: BOOTSTRAP, TAILWIND CSS-IN-JS: STYLED-COMPONENTS, EMOTION, STITCHES WORKING WITH SVG: INLINE SVG, ANIMATIONS WORKING WITH ASYNCHRONY (FETCH API, WEBSOCKETS, ASYNC/AWAIT) FUNCTIONAL PROGRAMMING (FP) JAVASCRIPT FRAMEWORKS AND LIBRARIES REACT (HOOKS, CONTEXT API, REDUX, ZUSTAND, NEXT.JS), VUE, PHP, LARAVEL, SQL, NODE. COMPILERS: GULP, WEBPACK, VITE PACKAGE MANAGERS: NPM, YARN, PNPM WORKING WITH APIS AND DATA REST API (AXIOS, FETCH) GRAPHQL (APOLLO CLIENT, URQL) WEBSOCKETS (SOCKET.IO) FORM HANDLING: FORMIK, REACT HOOK FORM, VEEVALIDATE ANIMATIONS AND VISUAL EFFECTS CSS ANIMATIONS (KEYFRAMES, TRANSITION, TRANSFORM) JS ANIMATIONS: GSAP, FRAMER MOTION, ANIME.JS WEBGL: THREE.JS, PIXI.JS TESTING AND CODE QUALITY LINTERS AND FORMATTING: ESLINT, PRETTIER, STYLELINT COMPONENT TESTING: JEST, REACT TESTING LIBRARY END-TO-END TESTING: CYPRESS, PLAYWRIGHT VERSION CONTROL AND GIT BASICS (COMMIT, PUSH, PULL, MERGE, REBASE) GITHUB/GITLAB/BITBUCKET CI/CD (GITHUB ACTIONS, GITLAB, JIRA) OPTIMIZATION AND PERFORMANCE LAZY LOADING (IMAGES, COMPONENTS) CODE SPLITTING (REACT SUSPENSE, DYNAMIC IMPORT) LOAD OPTIMIZATION (LIGHTHOUSE, PAGESPEED INSIGHTS) SERVICE WORKERS, PWA (PROGRESSIVE WEB APPS) DEVOPS AND DEPLOYMENT HOSTING AND DEPLOYMENT: VERCEL, NETLIFY, FIREBASE, SERVER WORK: NGINX, APACHE.

Английский

I am open to working on a contract or permanent basis in Front-End or Full-Stack (React / Vue
/ Next / Laravel / Node.js) positions.