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Front-end програміст
- Considering positions:
- Front-end програміст, React-розробник, Javascript-програміст
- City of residence:
- Kyiv
- Ready to work:
- Remote
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Artem Kravchenko
[open contact info ](look above in the "contact info" section) | Poznań, Poland | [open contact info ](look above in the "contact info" section) | github.com/BaGreal2 | [open contact info ](look above in the "contact info" section)
About Me
Front-end engineer (React/Next.js) with 3 years of commercial experience building SaaS, logistics, travel, and AI-
product UIs. Specialized in SSR/SEO optimization, Core Web Vitals, clean component architecture, and rendering
data-heavy dashboards (Mapbox/GIS, charts).
Work Experience
Frontend Engineer May 2025 — May 2026
Signus.ai Remote
• Built a zero-to-one AI e-signature platform from scratch, owning core features like document processing and chat
interfaces within a Next.js monorepo (Nx).
• Boosted mobile Lighthouse performance scores from 40 to 95+ (and maintained perfect 100s on desktop) by
writing highly accessible, SEO-optimized markup.
• Partnered directly with the CEO in daily Agile cycles to rapidly iterate on landing pages and core app logic,
accelerating overall feature delivery.
• Developed a Nextra-based company blog and automated critical internal business workflows using Python scripts.
• Ensured UI reliability and code quality by implementing comprehensive Playwright E2E testing and Sentry error
monitoring.
• Stack: React, Next.js, TypeScript, RTK, Zustand, Tailwind, Radix UI, Socket.io, Stripe, Nextra, Nx, Python, AWS
Amplify.
Frontend Engineer (Freelance / Consultant) May 2023 — May 2025
Multiple Key Clients Remote
• Delivered end-to-end front-end solutions for SaaS, logistics, and e-commerce clients, managing concurrent
development cycles and remote collaboration.
• Client: Vektor (Sep 2024 – May 2025): Virtualized tables (50k rows) and memoized charts for a fleet analytics
dashboard, dropping UI render time from 900ms → 130ms.
• Client: TCG World (Apr 2024 – Apr 2025): Migrated SPA to Next.js (App Router), cutting TTFB by 68% and LCP
from 4.2s to 1.6s, resulting in a +34% organic traffic increase.
• Client: winwin.travel (May 2023 – Sep 2024): Delivered full-cycle front-end platforms, moved shared UI to Nx
monorepo (FSD), and achieved 90+ Lighthouse scores via code-splitting and SSR.
• Stack: Next.js, React, TypeScript, Redux, Tailwind, Mapbox-GL, React-Query, Node.js, AWS, Docker.
Skills
• Core technologies: React, Next.js (App Router), TypeScript, RTK/Zustand, React Query, Tailwind CSS/shadcn/
Radix UI, Vite, Turbopack, Jest, Playwright, ESLint, Zod, Mapbox GL, Socket.io, Nx, CI/CD (Bitbucket/Amplify/
Vercel)
• Other technologies: Node/Express, REST, Bash, Python, Docker/ECS, AWS, PostgreSQL, SQLite, Stripe API,
Sentry
• Familiar with: C/C++, Rust, Go, OpenGL, Tauri
• Soft: Teamwork, Problem-solving, Cross-functional Communication
• Languages: Ukrainian (Native), English (C1), German (B1), Polish (A2-B1)
Education
Collegium Da Vinci
Engineer’s Degree in Information Technology Poznań, Poland
Projects
Wardex (IoT Ecosystem) github.com/BaGreal2/wardex
• Deployed a full-stack PWA (Svelte, Node.js, Azure) featuring hardware data integration and professional UI/UX
implementation.
Seasons (TV Aggregator) github.com/BaGreal2/zveri
• Engineered a high-performance media SPA in under a week using React.js and a custom Go/SQLite REST API.
Gravitation Particles github.com/BaGreal2/gravitation-particles
• Built a physics simulation in Rust implementing the Barnes-Hut algorithm for complex N-body gravity calculations.
[
About Me
Front-end engineer (React/Next.js) with 3 years of commercial experience building SaaS, logistics, travel, and AI-
product UIs. Specialized in SSR/SEO optimization, Core Web Vitals, clean component architecture, and rendering
data-heavy dashboards (Mapbox/GIS, charts).
Work Experience
Frontend Engineer May 2025 — May 2026
Signus.ai Remote
• Built a zero-to-one AI e-signature platform from scratch, owning core features like document processing and chat
interfaces within a Next.js monorepo (Nx).
• Boosted mobile Lighthouse performance scores from 40 to 95+ (and maintained perfect 100s on desktop) by
writing highly accessible, SEO-optimized markup.
• Partnered directly with the CEO in daily Agile cycles to rapidly iterate on landing pages and core app logic,
accelerating overall feature delivery.
• Developed a Nextra-based company blog and automated critical internal business workflows using Python scripts.
• Ensured UI reliability and code quality by implementing comprehensive Playwright E2E testing and Sentry error
monitoring.
• Stack: React, Next.js, TypeScript, RTK, Zustand, Tailwind, Radix UI, Socket.io, Stripe, Nextra, Nx, Python, AWS
Amplify.
Frontend Engineer (Freelance / Consultant) May 2023 — May 2025
Multiple Key Clients Remote
• Delivered end-to-end front-end solutions for SaaS, logistics, and e-commerce clients, managing concurrent
development cycles and remote collaboration.
• Client: Vektor (Sep 2024 – May 2025): Virtualized tables (50k rows) and memoized charts for a fleet analytics
dashboard, dropping UI render time from 900ms → 130ms.
• Client: TCG World (Apr 2024 – Apr 2025): Migrated SPA to Next.js (App Router), cutting TTFB by 68% and LCP
from 4.2s to 1.6s, resulting in a +34% organic traffic increase.
• Client: winwin.travel (May 2023 – Sep 2024): Delivered full-cycle front-end platforms, moved shared UI to Nx
monorepo (FSD), and achieved 90+ Lighthouse scores via code-splitting and SSR.
• Stack: Next.js, React, TypeScript, Redux, Tailwind, Mapbox-GL, React-Query, Node.js, AWS, Docker.
Skills
• Core technologies: React, Next.js (App Router), TypeScript, RTK/Zustand, React Query, Tailwind CSS/shadcn/
Radix UI, Vite, Turbopack, Jest, Playwright, ESLint, Zod, Mapbox GL, Socket.io, Nx, CI/CD (Bitbucket/Amplify/
Vercel)
• Other technologies: Node/Express, REST, Bash, Python, Docker/ECS, AWS, PostgreSQL, SQLite, Stripe API,
Sentry
• Familiar with: C/C++, Rust, Go, OpenGL, Tauri
• Soft: Teamwork, Problem-solving, Cross-functional Communication
• Languages: Ukrainian (Native), English (C1), German (B1), Polish (A2-B1)
Education
Collegium Da Vinci
Engineer’s Degree in Information Technology Poznań, Poland
Projects
Wardex (IoT Ecosystem) github.com/BaGreal2/wardex
• Deployed a full-stack PWA (Svelte, Node.js, Azure) featuring hardware data integration and professional UI/UX
implementation.
Seasons (TV Aggregator) github.com/BaGreal2/zveri
• Engineered a high-performance media SPA in under a week using React.js and a custom Go/SQLite REST API.
Gravitation Particles github.com/BaGreal2/gravitation-particles
• Built a physics simulation in Rust implementing the Barnes-Hut algorithm for complex N-body gravity calculations.
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The candidate's resume is posted at https://www.work.ua/resumes/13194058/