Danylo

Danylo Deineka
Frontend Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) @TripleDD Linkedin GitHub

Kyiv, Ukraine

Summary
Frontend developer with 3 years of commercial experience building web applications using Nuxt
3, Vue.js, TypeScript, React, Tailwind CSS, and gRPC. In addition to feature development, I have
driven engineering improvements by leading the Tailwind v4 migration, contributing to the
implementation of SSR, building internal automation tools that improved A/B test development
and actively participating in code reviews and mentoring new developers.

Skills
JavaScript/TypeScript/HTML5/CSS3/SASS
Vue 3/Nuxt 3/React/Redux/Tailwind

REST API/gRPC/Node.js
Git/Vitest/Figma/Sentry/Microsoft Clarity
Claude Code/Gemini
English: B2

Professional Experience
Frontend Developer 05/2024 – 07/2026
SKELAR Kyiv
•Developed web funnels and product features using Nuxt 3, Vue.js,
TypeScript and Tailwind CSS.
•Built and maintained A/B tests to validate marketing hypotheses and
improve conversion rates.
•Led the migration to Tailwind CSS v4, improving the maintainability of
the frontend codebase.
•Contributed to the implementation of SSR, enabling more flexible
marketing experiments.
•Created an internal Figma Design Tokens exporter that drastically
reduced the setup time for developing and launching new A/B tests
from hours/days to just 5 minutes.
•Improved frontend performance and development workflows, helping
accelerate feature delivery.
•Integrated frontend applications with backend services using gRPC.
•Used Sentry and Microsoft Clarity to monitor production quality,
investigate issues and analyze user behavior to improve funnel
performance.
•Performed code reviews, mentored new developers and helped
maintain code quality across the project.
•Worked closely with Product Marketing and Design to deliver
experiments quickly and align technical solutions with business goals.
•Used AI-assisted development tools (Claude Code, Gemini, MCP) to
speed up development, debugging, code reviews, and technical
research.
Frontend Developer 07/2023 – 05/2024
Petopia
•Developed a responsive web application from scratch using React and
Tailwind CSS, supporting mobile, tablet and desktop devices.
•Operated as the sole Frontend Developer, taking responsibility for end-
to-end frontend implementation and successfully delivering the
project's MVP from scratch.
•Developed new features alongside backend developers, connecting the
UI to REST APIs and handling global state via Redux.

Education
Master's degree in Logistics 2022 – 2023
Kyiv National Economics University

Bachelor's degree in International Relations 2018 – 2022
Kyiv National Economic University