Alexander Cillán

formerly known as Cillysen

Alexander Cillán

formerly known as Cillysen

I design brands, products and websites for startups that look as good as they work.

I’m Alexander, a brand, product and web designer in Palma de Mallorca (Spain), working with startups and tech teams, mostly in the US. I’m also a Product Designer at Anvara, and I run every project on a clear process.With a team of five, I’ve designed for 200+ founders in AI, SaaS, crypto and fintech since 2021. Read the full story on my about page, or contact me to start a project.

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Trusted by founders building what’s next.

“Alexander designed clean, on-brand email templates for us. He worked fast, communicated clearly, and handled feedback effortlessly. Super easy to work with.”

Adrian

CTO at Anvara

“Alexander is the absolute design GOAT. No one better out there. No one higher quality. He actually cares about the design and how it comes out looking. He’s just the best!”

Hayden

Founder at Waveform

“Nothing but great things to say! Alexander has been incredible across multiple projects this month and has quickly become my go-to designer.”

Ian

Co-Founder at Timepiece FNF

“Alexander is insanely fast, detailed, and professional. The final designs went way beyond my expectations, and he truly cares about making your vision real.”

Andrei

Owner at Offensive Pulse

“…nailed our rebrand with consistency across socials and site. Creative, efficient, and a top designer we’ll keep working with for future projects.”

Tom

Co-Founder at Primed Proxies

“The Celestix logo looks premium and modern. Alexander gave us multiple options with unique touches, made the process smooth, and delivered a polished result that really stands out.”

Emil

Founder at Celestix AI

“…detail and communication are spot on. I’ve hired him many times and always been impressed with the results. Highly recommend to anyone.”

Jared

Founder at Falx.co

“Working with Alexander means creativity, clarity, and great taste every single time. He’s reliable, collaborative, and always makes the work better without overcomplicating things.”

Ioannis

Founder at Canary Canary

Trusted by founders building what’s next.

“Alexander designed clean, on-brand email templates for us. He worked fast, communicated clearly, and handled feedback effortlessly. Super easy to work with.”

Adrian

CTO at Anvara

Case studies

Real projects for founders and product teams, start to finish: the problem, the process, and what shipped.

Sculpt AI: brand, motion and 150+ screens for an AI fitness app

How I led the creative for Sculpt AI: a new brand identity, splash motion, a new user flow and 150+ screens for an AI app that unites workouts and food logging.

Read the case studySeptember 2, 2026 · 6 min read

Quantum Proxies website: ‘One network. Every kind of IP.’ with glass renders of an ethernet plug, a house, a SIM card and servers

Case study · October 28, 2026 · 6 min read

Quantum Proxies: a website designed and built with AI, without Figma

How I designed and built quantumproxies.net with AI and no Figma file, in under two days: MCPs, sources of truth, references, tokens and taste.

HighSteaks website: Brandon's story with his signature and the featured cuts

Case study · October 5, 2026 · 6 min read

HighSteaks: branding and e-commerce for a creator-led butcher shop

How I refreshed HighSteaks’ knife logo and designed a mobile-first store that turns a New York butcher’s 150K+ social following into online customers.

Bandar’s Bounties website hero with a colorful gradient, real deal screenshots and press logos

Case study · August 9, 2026 · 6 min read

Bandar’s Bounties: a simpler logo and a website for a price-error community

A one-ink logo and a new website for Bandar’s Bounties, a premium Discord group for price errors: a direct hero, a playful pricing toggle and press proof.

ArbX dark dashboard with wins, losses and earnings charts

Case study · July 23, 2026 · 5 min read

ArbX: designing a sports analytics dashboard you can read at a glance

How I designed ArbX, a sports betting analytics SaaS: a dark dashboard you can read at a glance, a step-by-step simulator and an animated pricing grid.

3D model of the Falx Cyber Security stand at booth A27, CYBERUK25

Case study · July 19, 2026 · 5 min read

Falx | Cyber Security: a CYBERUK25 stand and lanyard designed to start conversations

How the Falx | Cyber Security stand and team lanyards at CYBERUK25 were designed to draw visitors in, start conversations and turn interest into follow-ups.

Case study · July 6, 2026 · 4 min read

Poppin: a 3D logo and launch animations for an event discovery app

How I redesigned Poppin’s bottle logo as an iridescent 3D asset and animated it in Blender and After Effects for app intros and social media, in three weeks.

Timepiece FNF ‘Sell your luxury timepiece’ page with a skeleton watch and client testimonials

Case study · June 28, 2026 · 4 min read

Timepiece FNF: luxury watch branding, website and a sell-your-watch platform

Brand refresh, a dark-mode website and a multi-step ‘sell your watch’ flow for Timepiece FNF, a luxury watch dealer group with $10M+ in verified sales.

ChromaAI landing page: ‘Create viral content in minutes, not days’

Case study · June 21, 2026 · 5 min read

ChromaAI: redesigning an AI content platform across 100+ screens

How I turned ChromaAI’s MVP into one cohesive creator platform: 100+ redesigned screens, a design system for 10+ AI tools and a 30-second launch video.