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Serhiy M.
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Serhiy M.

Senior UI/UX & Product Designer

WEB & MOBILE · SAAS · DESIGN SYSTEMS Senior Product & UI/UX Designer · 12+ years of experience I partner with founders, CPOs and product teams to design digital products that look clean, feel intuitive and support real business growth – not just “nice screens”. For the last 12+ years I’ve been fully focused on product design, UI/UX and design systems for web and mobile. I’m comfortable joining at any stage – from idea and early MVP to redesigning complex, mature SaaS platforms. WHAT I DO • Product UI/UX for web applications, SaaS platforms, dashboards and internal tools • Mobile app design (iOS / Android): from structure and UX to final UI and states • Design systems in Figma: component libraries, tokens, guidelines, documentation • UX architecture: flows, IA, wireframes, prototypes for complex products • Conversion-focused landing pages and onboarding flows • UX audit and product redesign – when you need to “level up” an existing product I’m especially strong when the product is not trivial: multi-role access, complex data, dashboards, step-based flows, permissions, settings, billing, analytics and everything that typically “hurts” users. HOW I THINK ABOUT PRODUCT & UX I don’t treat design as decoration. My focus is always on: • Clarity – your users must instantly understand what the product does and what to do next. • Speed – fewer clicks, better flows, less friction in critical journeys. • Consistency – a scalable UI and design system so your team can ship faster without breaking UX. • Business outcomes – sign-ups, activation, retention, paid conversion, upsell, support load. This approach works especially well for B2B SaaS, fintech, crypto, marketplaces and internal tools, where every UX mistake is multiplied across thousands of users. TYPICAL ENGAGEMENTS • You’re building a new SaaS product and need the full UX/UI – from zero to dev-ready Figma • You have a working product, but UX feels “patchy” and hard to scale – you need a redesign + design system • You want to raise your pricing / move upmarket and your product/UI must match that level • You’re getting too many support tickets and want to fix the underlying UX issues • Your dev team moves fast, and you need a design partner who can provide structure, components and ready-to-implement layouts I’m used to working with distributed teams and can easily plug into your existing workflow, tools and sprint rhythm. MY PROCESS Discovery & alignment • Understand your product, users, constraints and success metrics • Review current flows, UX problems and technical limitations • Define scope and priorities (MVP vs full vision) UX foundation • User flows and information architecture • Low- and mid-fidelity wireframes • Validation of key scenarios with your team (or users, if you have access) UI & visual language • High-fidelity designs in Figma • States, edge cases, empty, loading, error screens • Responsive behavior for desktop / tablet / mobile where required Design system • Components, variants, styles, tokens • Rules and guidelines for usage • Structure that your dev team can actually maintain Handoff & implementation support • Dev-ready Figma files, annotations and assets • Ongoing support during implementation to keep design quality consistent TOOLS & STACK • Figma – primary tool (design systems, components, prototypes) • Axure – when complex flows and advanced prototypes are needed • Adobe Photoshop & Illustrator – for visuals, assets and supporting graphics • Modern collaboration tools – Slack, Jira, Notion, etc. COMMUNICATION & COLLABORATION You can expect: • Clear, structured communication • Proactive suggestions instead of “just following instructions” • Accurate estimations and transparency about what’s realistic in a given scope • Respect for deadlines and agreements – I treat your product as my own I’m comfortable speaking both with founders who think in terms of strategy, revenue and runway, and with dev teams who think in terms of components, states and edge cases. LET’S TALK If you’re looking for a senior designer who can own the UX/UI and design system of your product – not just create a few isolated screens – I’ll be a strong fit. Send me a short message about: • what your product does, • at what stage you are (idea / MVP / live product), • and what “success” looks like for you in the next 3–6 months. I’ll come back with the most efficient way to move forward. (Можу працювати українською та англійською, комфортно співпрацюю з клієнтами з Європи, США та України.)

🇺🇦Kyiv, Ukraine$90/hr100% JSS4.90 (26)Since Aug 2016

Earnings and projects

MRR
$42

Last 6 months ÷ 6

World#153,880 / 412k
🇺🇦Country#5,534 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $252

Total earnings
$125k

Billed in all: $126k

World#30,134 / 412k
🇺🇦Country#2,121 / 14.3k
Per project
$4.2k

$252 in the last 6 months

World#41,527 / 412k
🇺🇦Country#2,410 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,095 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
30

Across 31 contracts

26% fixed74% hourly
World#97,487 / 412k
🇺🇦Country#4,267 / 14.3k

Earnings, last 30 days

$126kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$124k$126k$128k$130kOct 8Oct 23Nov 7

Skill rankings: Top 17% in Axure RP

Ranked by MRR among everyone on Upwork with the skill.

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