My Career Story — Roman Jukov

Expirience

Appvilis (formerly Mobyrix)Senior Product Designer[Europe · Remote]

[ 2023-2026 ]

Designed for eSIM Plus and Nicegram — set the design direction, held the quality bar, and mentored a couple of designers.
Drove discovery for new features: JTBD, competitive teardowns, journey maps, and product hypotheses — validated against activation and retention metrics.
Built a separate design system for each product — a reusable kit of components and screen patterns, so new features came together fast and stayed visually consistent.
Designed a non-custodial multi-chain Web3 wallet from scratch, sole designer, end-to-end (2023–2024) — 7 chains: TON, ETH, BNB, Solana, Base, Polygon, Arbitrum. Now built into Nicegram.
Designed across Nicegram from scale-up to 2.5M+ monthly active users and 55M+ downloads — onboarding, the Lily AI assistant, and Premium.
Drove eSIM Plus growth — onboarding, paywalls, monetization — validated with A/B tests in Mixpanel and Amplitude; partnered with ASO on store-page conversion.
Brought AI generation (ChatGPT, Cursor, Gemini, Claude code) and Rive motion into the design and ASO pipeline, speeding up concept iteration and asset production across both apps.

MobyrixMiddle Product Designer

[2021-2023]

Started on Nicegram as it scaled, designing core flows: onboarding, the Lily AI assistant, and Premium.
Built interactive prototypes and shipped polished iOS/Android flows, working closely with PM and engineers.
Kept driving eSIM Plus growth — onboarding, paywalls, monetization — validated with A/B tests in Mixpanel and Amplitude.
Partnered with ASO and marketing on App Store / Google Play assets (screenshots, icons, promo videos), A/B-testing creatives to improve store-page conversion.

MobyrixProduct Designer

[2019-2021]

Designed eSIM Plus from its early days: the core flows for plan selection, payment, and eSIM activation on iOS and Android.
Designed and launched UX/UI for a portfolio of utility, productivity, and lifestyle/AI apps, including Voicalator, Recordeom, Stickylab, Wistrology, Chapterly, Admire, VOTS, and Aivan (AI).
Built and A/B-tested onboarding and paywall flows with PM and analytics, shipping the winning variants to lift conversion.
Worked in a cross-functional team with PM and engineers, turning hypotheses into shipped, measured screens.

ZaochnikUI/UX Designer

[2018-2019]

Owned UX and UI for product interfaces — dashboards and internal admin tools — from user flows and wireframes through to polished, dev-ready screens.
Designed my first iOS and Android app here, end-to-end — the foundation for everything mobile that followed at Mobyrix.
Built interactive prototypes and set the visual direction, iterating closely with product and frontend teams.

CreaceptWeb Designer

[2017-2018]

Designed web and app interfaces from wireframes to dev-ready specs; built reusable components and consistent styles.
Worked directly with product and frontend engineers on handoff, states, and responsive behavior.

EurotorgWeb Designer

[2015-2016]

Designed landing pages, promo visuals, and responsive web UI for seasonal campaigns.
Shipped on deadline with content and dev teams. Learned grids, responsive layout, and brand consistency on real production work.

SAYVODesigner

[2015]

First commercial design work: brand identity, logos, and mobile-first landing pages.
Produced visuals for campaigns and social; learned layout, type, and composition on real briefs.