Arthur Ветеран

Arthur Litovko
Senior Software Engineer

Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | github.com/baileys-li/

PROFESSIONAL SUMMARY

Senior Software Engineer with 8+ years of commercial experience across 24+ web projects for clients in Europe,
North America, Asia, and the Middle East. Specializes in React, Next.js, TypeScript, accessibility, performance
optimization, design systems, and API/CMS integrations. Owns frontend delivery end to end, modernizes
complex applications, and helps teams build maintainable product interfaces.

TECHNICAL SKILLS

Frontend: React, Next.js, TypeScript, JavaScript, HTML, CSS, Redux, Vue, Svelte, Astro.
Backend & data: Node.js, NestJS, Express.js, GraphQL, PostgreSQL, BFF, REST APIs.
Quality & delivery: Vitest, React Testing Library, Playwright, Storybook, Jest, Webpack, Vite, Docker, CI/CD.
Product engineering: Design systems, accessibility, responsive design, performance, SEO, analytics,
Contentful, Contentstack, Sanity.

PROFESSIONAL EXPERIENCE
Acting Staff Sergeant, Digital Development
Military Unit A4745, Armed Forces of Ukraine May 2026 - Present

• Automated workstation deployment and configuration with PowerShell, cutting setup from hours to a few
minutes per device.
• Administered NAS storage and automated accounting-database backups, improving resilience and removing a
daily manual step.
• Built an internal service that converts operational Excel data into SQL, tracks issued equipment, and produces
management reports from one source of truth.
• Configured secure Headscale/Tailscale remote access for authorized personnel.
Senior Software Engineer
EPAM Systems | Canadian Airline Network (NDA) Sep 2025 - Mar 2026

• Served as sole frontend engineer for the initial MVP, delivering the page end to end and establishing the BFF
foundation for later product phases.
• Reworked the UI kit and standardized reusable components, reducing repeated implementation work by an
estimated 25-30% during early feature delivery.
• Built a design-token pipeline, reducing styling drift and accelerating cross-page visual updates.
• Led CMS integration, content modeling, SEO, and analytics setup to support scalable publishing and product
measurement.

Stack: Next.js, React, TypeScript, SWR, BFF, Nanostores, Contentstack, Vitest, Playwright
Frontend React Developer
Confidential Software Product Company | Pressmaster Feb 2024 - Jul 2025

• Delivered frontend capabilities for an AI-powered PR platform, including visual-builder blocks and CMS tools for
customer websites.
• Designed and implemented a new account role, updating authorization and service flows while preserving a
coherent experience for existing users.
• Introduced feature toggles for large refactors and incremental releases, enabling safer rollouts and fewer
integration conflicts.
• Supported sustained feature delivery that contributed to a 3x increase in the platform’s client base.

Stack: Next.js, React, TypeScript, Storybook, TanStack Query, Nanostores

JavaScript Developer
Goorkit (Kozak Group) | Crypto-Assets Succession Service Nov 2023 - Feb 2024

• Refactored frontend architecture and performance-critical flows, making the codebase easier to extend.
• Introduced unit, component, and visual testing, catching regressions earlier and improving release confidence.
• Delivered data-heavy product functionality across React, GraphQL, Redux, and PostgreSQL.

Stack: React, TypeScript, Redux, GraphQL, PostgreSQL, Vitest, React Testing Library, Storybook
Independent Frontend Developer & IT Consultant
Project Work Jan 2023 - Nov 2023

• Delivered frontend and integration work across multiple client projects with varied product requirements and
architectures.
• Built responsive interfaces and headless-CMS integrations, including a Notion API workflow that let non-
technical teams update content without frontend changes.
• Shipped maintainable production features using React, Next.js, Node.js, RxJS, GraphQL, and automated
testing.
Frontend Developer / Full-Stack Developer
Dudka Agency | Quantamatics Oct 2021 - Dec 2022

• Owned frontend delivery for the first four months of a complex administration platform with extensive forms,
tables, permissions, and data workflows.
• Reduced the production JavaScript bundle by about 3x and page-load time by 40%; improved local build speed
by about 5x.
• Reworked data-fetching flows with RTK Query, reducing multi-step update operations from hours to minutes.
• Replaced an unsuitable third-party scrolling solution with custom virtualization, keeping large CRM tables
usable on low-end devices.

Stack: React, Next.js, TypeScript, Vue, Node.js, Express.js, Webpack, Vite, WordPress
Frontend Developer
Edicasoft Mar 2019 - Aug 2021

• Delivered frontend solutions for a web studio, a Czech school migration to Django, and event and festival
platforms.
• Built responsive, maintainable React and Vue interfaces across varied client domains and stacks.
• Coordinated frontend work with a distributed 10+ person team to launch a remote party-game service.

Stack: React, Vue, TypeScript, JavaScript, Docker, Django, Tailwind CSS
Designer / HTML Coder
CPAshka Jun 2018 - Nov 2018

• Designed 12 Figma landing pages and implemented four responsive websites.
• Introduced static code analysis, improving consistency and reducing the risk of critical deployment issues.
Frontend Developer
Shews Digital Agency Sep 2017 - Dec 2017

• Collaborated in a four-person team to deliver 11 websites for Kyiv businesses within a short delivery cycle.
• Built responsive WordPress themes and reusable HTML, CSS, Sass, and JavaScript components.

EDUCATION

Master’s Degree in Computer Science
Zaporizhzhia Institute of Economics and Information Technologies (ZIET) 2021

LEADERSHIP & COMMUNITY

• Mentored 50+ developers and learners in HTML, CSS, JavaScript, OOP, and React.
• Wrote practical educational articles on JavaScript, HTML, and CSS; spoke at Podlodka Frontend Crew.
• Contributed to open-source libraries and projects.