Ruslan

Ruslan Chyrkov Frontend developer
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Kharkiv/remote LinkedIn
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Summary
Frontend Developer with 2+ years of commercial experience building responsive web applications
using React, Next.js, and TypeScript. Experienced in delivering production-ready products across
sports media, consumer web, and productivity domains, with a focus on performance,
scalability, UX, and cross-browser compatibility. Also have hands-on full-stack experience with
Node.js, PostgreSQL, and Prisma. Hold a Bachelor’s degree in IT Education.

Skills
JavaScript, Typescript
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React, Next.js, Vue.js, Redux Toolkit, Zustand, TanStack Query
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HTML, CSS, Sass (SCSS), BEM, Tailwind CSS, Shadcn, Figma
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Node.js, Express, PostgreSQL, Sequelize, Prisma
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Fetch, REST API, AXIOS, JSON
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Git/GitHub, VS Code, Chrome Developer Tools, NPM, Vite
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Basic OOP understanding
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Claude Code, GitHub Copilot, Codex
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English - Intermediate(B1)
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Professional Experience
Frontend Developer | Bull Traffic September 2024 – March 2026
Responsibilities:
Developed responsive sports websites with a focus on mobile user experience and cross-browser
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compatibility.
Optimized website loading speed, resulting in up to 30% faster page performance.
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Consistently delivered all tasks on time over the past 18 months, supporting accurate team
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planning and preventing delays.
Initiated the creation of an internal project asset database (images, logos, and text content),
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improving asset management and simplifying access for the team.
Actively participated in task reviews and shared solutions with the team, helping improve
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development processes and avoid release delays.
Integrated AI-assisted workflows into daily delivery, accelerating routine implementation and
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refactoring tasks.
Closed over 50 domains within 18 months of work.
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Full-stack developer | Self-Employed January 2024 – September 2024
Responsibilities:
Developed and scaled the company’s digital products using Next.js, React, and TypeScript,
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delivering end-to-end user flows from product catalog and cart to checkout while improving UX
and frontend reliability.
Designed and maintained backend architecture and core business logic with PostgreSQL and
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Prisma, built and supported APIs, and ensured stable domain workflows across users, orders, and
payments.

Led key integrations and reliability initiatives, including authentication and session
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management, payment and email service integrations, release support, and code quality
improvements through strong typing, validation, and engineering best practices.
Collaborated on team projects using Git, code reviews, and Agile practices
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Projects Education
Food Delivery Service Mate academy
GitHub January 2024 – June 2024
Full-stack developer
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Kanban Task Manager Ukrainian Engineering and Pedagogical
GitHub Academy
2003 – 2008
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Specialist degree
Nothing Landing
GitHub
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