Олександр
Senior Frontend Engineer, 150 000 грн
- Розглядає посади:
- Senior Frontend Engineer, Web software engineer, JavaScript Developer, React Developer, Web Developer, Full-stack програміст
- Вид зайнятості:
- повна, неповна
- Вік:
- 33 роки
- Місто проживання:
- Львів
- Готовий працювати:
- Дистанційно, Львів
Контактна інформація
Прізвище, контакти та світлина доступні тільки для зареєстрованих роботодавців. Щоб отримати доступ до особистих даних кандидатів, увійдіть як роботодавець або зареєструйтеся.
Отримати контакти цього кандидата можна на сторінці https://www.work.ua/resumes/3617439/
Досвід роботи
Senior Full-Stack Developer
з 01.2026 по 07.2026
(7 місяців)
Roketus (B2B Contract), Дистанційно (IT)
Client project: Metrc University — compliance LMS for the regulated US cannabis market.
• Modelled a 38-collection LMS domain in Payload CMS (courses, chapters, lessons, content blocks, quizzes, certifications) with 3 user roles, 5 access-control tiers and 45 versioned PostgreSQL migrations.
• Implemented the progress and certification engine: block-level tracking cascading into immutable lesson and course completions, snapshot-based certification issuance and PDF certificate generation.
• Built 18 feature modules across 31 App Router routes in a strictly typed TypeScript codebase, using React 19 Server Components, TanStack Query v5, Zustand, Radix UI and Tailwind CSS 4.
• Localized the entire UI through next-intl, eliminating hardcoded strings across the product.
• Grew the frontend test suite from zero to 82% branch coverage with Vitest unit and integration tests by the end of the engagement.
Senior Front-end Developer
з 09.2023 по 11.2025
(2 роки 3 місяці)
PandaDoc, Дистанційно (IT)
Legacy marketing site (WordPress)
• Ran ~20 A/B tests in VWO on critical conversion paths (winning variants delivered 5–15% conversion lifts) and built the underlying conversion tracking with Segment and GTM dataLayer across CTAs; integrated HubSpot forms.
• Initiated adoption of SonarQube in the CI/CD pipeline, raising code quality and reducing defects reaching production.
• Maintained legacy WordPress properties, working across Blade templates and PHP touchpoints alongside the frontend stack.
Migration to Next.js 15
• Drove technical research and implemented key parts of the migration from legacy WordPress to Next.js 15 (App Router) — the largest frontend infrastructure change in 5 years for the site: NX monorepo, GraphQL, Contentful headless CMS, Tailwind CSS.
• Consolidated 12+ near-duplicate hero section variants into one composable system using compound components and CVA, resolving Contentful content-model limits.
• Moved Core Web Vitals to consistently green on key landing pages (LCP under 2s, CLS under 0.1).
• Shipped a reusable Storybook component library with strict TypeScript contracts, adopted across marketing teams.
Front-end Developer
з 09.2022 по 09.2023
(1 рік)
Innovation Group, Дистанційно (IT)
• Maintained and evolved a production payment processing system built with Vue.js and TypeScript.
• Implemented cross-origin messaging between browser tabs (BroadcastChannel + postMessage) to confirm payments; diagnosed browser storage-partitioning behaviour that broke the flow in Safari and Firefox, and escalated it to Mozilla engineering.
• Built in-browser payment card scanning through the smartphone camera using OpenCV computer vision.
• Wrote a unit test suite with Chai/Mocha, raising critical-path coverage and reducing regressions on payment flows.
Senior Web UI Software Engineer
з 12.2020 по 09.2022
(1 рік 10 місяців)
SoftServe, Дистанційно (IT)
Client project: Henry Schein — medical and dental supplies distributor.
• Led a team of 7 developers building a large-scale Vue.js + TypeScript desktop application for a US healthcare client; promoted to Senior in November 2021 after delivering WCAG 2.1 AA compliance, the first time achieved by the team on this project.
• Drove a full architectural refactoring: introduced strict TypeScript typing and raised unit test coverage from ~60% to ~95%, significantly reducing critical production defects.
• Produced 6-month scope estimates with the business analyst and CTO, ran estimation and task-distribution meetings, and resolved cross-team conflicts.
• Owned the technical interview loop: conducted 10+ interviews and onboarded 2 new engineers.
Front-end Developer
з 08.2018 по 12.2020
(2 роки 5 місяців)
NEXTPAGE, Одеса (IT)
• Built and optimized interactive product websites with Vue.js, Nuxt.js, MobX, WordPress and Laravel — owned the full project lifecycle independently, from requirements to deployment.
• Delivered projects recognized by Awwwards and CSS Design Awards.
• Developed complex frontend animations and 3D scenes with GSAP, anime.js, and Three.js.
Освіта
Odesa State Academy of Building and Architecture (OSABA)
Master of Engineering, Industrial and Civil Construction, Одеса
Вища, з 2009 по 2014 (5 років)
Додаткова освіта та сертифікати
Lectrum — React, Redux, MobX, TypeScript, Styled Components
2023
HTML Academy — Professional JavaScript, Level 2
2020
Contentful Certified Professional
2025
Сертифікат
EFSET English Certificate, Upper-Intermediate (CEFR B2)
2022
Знання і навички
- CSS
- HTML
- JavaScript
- Git
- Vue.js
- Nuxt.js
- GSAP
- Sass, SCSS
- GitHub
- React
- Figma
- TypeScript
- WordPress
- Next.js
- Tailwind CSS
- Node.js
- GraphQL
- REST API
- Storybook
- Jest
- Playwright
- Cypress
- Vuex
- MobX
- Webpack
- Vite.js
- Three.js
- MySQL
- Zustand
- TanStack Query
- Payload CMS
- Contentful
- Pinia
- Claude Code
- WCAG
- Radix
- NX
Знання мов
- Українська — вільно
- Англійська — вище середнього
Додаткова інформація
SUMMARY
Senior Frontend Engineer with 9 years of production experience across the React and Vue.js ecosystems, specializing in TypeScript, Next.js 15, and Vue 2/3. Led a team of 7 engineers and delivered large-scale platform migrations. Measurable impact: Core Web Vitals moved to green on key landing pages, ~20 A/B tests delivering 5–15% conversion lifts, and unit test coverage raised from ~60% to ~95%. Focused on frontend architecture, performance optimization, and accessibility (WCAG 2.1 AA).
AI TOOLS
Claude Code (agentic refactoring, MCP servers, custom project rules, multi-repo workspaces), GitHub Copilot, Cursor, JetBrains Junie, Google Gemini.
Recommendation letter (PandaDoc): https://drive.google.com/file/d/1r980IwV74YG95yFP8zoK2N0ih9JgvLcJ/view?usp=sharing
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