Serhii Lanchukovskyi

2026

Neural Nomad Ltd · Product UX/UI Designer

• Sole product designer for two customer portals, four-plus roles each, desktop and mobile; also designed a 10+ page responsive website, together with a graphic designer.
• Built a design system from scratch as a standalone Figma library, linked to every product file — the website and both portals stay consistent.
• Under NDA — described in general terms only.

2025 – 2026

Socks Expert LTD · Product UX/UI Designer

• LTE Socks: sole designer on a full redesign of a customer portal and admin platform — 10+ sections, desktop and responsive mobile.
• Built a design system from scratch on design tokens and Figma variables: light and dark themes, every state. The development team adopted it.
• Rebuilt the information architecture; every UX and UI decision was mine.

2024 – 2025

MusConv · Product UX/UI Designer

• Redesigned the core product, including features I proposed: +12% install-to-paid conversion, per the development team’s analytics.
• Built one design system for the desktop, mobile and web apps.
• Ran the full design cycle for PuffStats, an app that helps people quit smoking: competitor analysis, 10+ screens with all states and edge cases, released on the App Store.

2024 – Present

JunFolio · UX/UI Mentor

• Volunteer: help designers with their projects and portfolio case studies, work through unclear topics in one-on-one calls, and interview designers who want to join JunFolio. 8+ mentees, more than half now employed.

2022 – 2024

Freelance · occasional projects

• Delivered projects for international clients — SaaS platforms, online stores and mobile apps: competitor analysis, prototypes, full-cycle interfaces.

2021 – 2022

Digisol Agency · UX/UI Designer

• Spent most of my time on a client project, Akiba Digital: designed a risk decisioning dashboard for lenders.
• Also designed web and mobile products for other agency clients; improved usability through testing and iteration, working directly with clients.

2017 – 2021

Hyuna International Ltd · UX/UI Designer, Design Lead

• International media subscription platform; part of the development team in Ukraine, 60+ people.
• Led design for one web product and a team of five designers, and worked on the iOS design team; handled competitor analysis, wireframes and prototypes.

2014 – 2017

Web designer, front-end

Hyuna International Ltd (2015 – 2017) · SEOKRUA (2014 – 2015)

• Built landing pages and front-end in HTML, CSS and JavaScript; responsive cross-browser layouts, Git.

2022

Google · UX Design certificate

2020

UPROCK · School of interface design, UX/UI

2011 – 2012

Kharkiv National University of Radio Electronics

Master’s degree, Software Engineering

2006 – 2011

Kirovohrad Cybernetic and Technical College

Bachelor’s degree, Software Engineering

Product & UX

Information architecture · User flows · Wireframing · Competitor analysis · A/B testing · Interactive prototyping · Developer handoff

UI & design systems

Design systems from scratch · Design tokens · Figma variables · Component libraries · Light and dark themes · Interaction design · Responsive design · WCAG accessibility

Domains

SaaS platforms · Customer portals · Admin panels · Role-based interfaces · Web and mobile products

Design

Figma — advanced: variables, tokens, components, prototypes

Affinity Designer · Lottie · Jitter · Jira

Analytics

Google Analytics · SimilarWeb · Cloudflare Web Analytics

AI and front-end

Claude · Claude Code — daily · Recraft

HTML · CSS — built and shipped my own MVP on Vercel, GitHub and Supabase