Digital product studio · est. 2023

Digital products people love. Designed & built.

Vertex Devs is a design-led studio of 15 partnering with founders and product teams to ship web, mobile and SaaS that move metrics — not just look good.

What we ship
SaaS platforms·Mobile apps·Storefronts·AI MVPs·Design systems
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Product strategy✸ UX / UI design✸ Web development✸ Mobile apps✸ MVPs for startups✸ Design systems✸ Product strategy✸ UX / UI design✸ Web development✸ Mobile apps✸ MVPs for startups✸ Design systems✸

(About the studio) We’re a tight, senior team that treats your product like our own. Three years in, thirty-plus launches later, we’ve learned that great products come from sharp strategy, obsessive craft and shipping fast.

3 years on the market
30+ products shipped
15 people in the studio
12 industries served
02 — Capabilities

Everything to take a product
from idea to scale.

  • 01

    Product strategy

    Workshops, research and roadmapping that turn fuzzy ambition into a sharp, fundable product plan with clear bets and metrics.

    DiscoveryRoadmapsPositioning
  • 02

    UX / UI design

    Interfaces that feel inevitable. We sweat flows, motion and detail until the product is intuitive, distinctive and a joy to use.

    UXUIPrototyping
  • 03

    Web development

    Fast, accessible, beautifully engineered front-ends and full-stack apps. Next.js, React, TypeScript — performance baked in from day one.

    ReactNext.jsHeadless
  • 04

    Mobile apps

    Native-feeling iOS & Android products with React Native and Swift. Smooth, offline-ready, and crafted for the App Store top charts.

    iOSAndroidReact Native
  • 05

    MVPs for startups

    Zero to launch in weeks, not quarters. A dedicated squad gets your first version into users’ hands ready to learn, raise and iterate.

    0→1SprintsLaunch
  • 06

    Design systems

    Scalable component libraries and tokens that keep teams shipping consistently — documented, themeable and engineered to last.

    TokensComponentsDocs
03 — Selected work

Products we’re proud of.

Two of these are our own live products you can open right now. The rest are client work under NDA — names and screens are recreated, numbers are the ones we were allowed to publish.

fast-comment.com
Fast Comment — QR guest feedback for restaurants
01 SaaS · Restaurants / Reputation

Fast Comment

Turn a table QR code into a steady stream of honest guest reviews.

Problem
Restaurants lose covers to public 1-star reviews they never saw coming.
What we made
A QR guest-feedback flow — 30-second anonymous reviews, instant SMS + email alerts, happy guests routed to Google/Yelp.
Role
Product, UX/UI, Full-stack, Deploy
Tech
Node.js · Express · PostgreSQL · Docker
  • 30 sec guest feedback
  • +40% public reviews
  • Live fast-comment.com
politician-finance.com
Politician Finance — congressional trade tracker
02 B2B Data · Fintech

Politician Finance

US congressional stock trades, turned into an investable signal.

Problem
Trade disclosures are public but scattered and unusable for funds.
What we made
A B2B tracker with per-politician portfolio charts (politician vs copy-portfolio vs S&P 500), an API and a metered wall.
Role
Data, Product, Design, Full-stack
Tech
Node.js · Express · Chart.js · Docker
  • Congress + executive branch
  • 3-line benchmark charts
  • Live politician-finance.com
app.northbeam.io/control-tower
Northbeam — live freight control tower
Client under NDA — interface recreated for this page
03 B2B SaaS · Logistics

Northbeam

A real-time operations dashboard for a freight-tech scale-up drowning in spreadsheets.

Problem
Dispatchers juggled 6 tools; decisions lagged hours behind reality.
What we made
A unified live dashboard with predictive ETAs and role-based workflows.
Role
Strategy, UX/UI, Design system, Front-end
Tech
React · TypeScript · WebSockets · D3
  • +38% daily active dispatchers
  • −4.5h avg. decision lag
  • 6→1 tools consolidated
Client under NDA — interface recreated Lumi — habit app for iOS and Android
04 Consumer · Health & Habits

Lumi

A calm, gamified habit app that turns daily routines into a streak worth keeping.

Problem
Habit apps felt like nagging chores — retention fell off a cliff at day 7.
What we made
A warm, motion-rich iOS & Android app with adaptive nudges.
Role
Product strategy, UX/UI, Mobile development
Tech
React Native · Reanimated · Supabase
  • 4.8★ App Store rating
  • +61% D7 retention
  • 120k installs in 5 months
settle.app/g/lisbon-trip
Settle — group expenses and balances
Client under NDA — interface recreated for this page
05 Fintech-adjacent · Payments

Settle

A web app that makes splitting and settling group expenses feel effortless.

Problem
Onboarding was a 9-step maze; 70% dropped before the first transaction.
What we made
A radically simplified flow with instant balances and shareable links.
Role
UX research, UI, Front-end, Design system
Tech
Next.js · Stripe · Postgres · Tailwind
  • +52% activation rate
  • 9→3 onboarding steps
  • −40% support tickets
ateliernord.com/checkout
Atelier Nord — one-page checkout
Client under NDA — interface recreated for this page
06 E-commerce · DTC Fashion

Atelier Nord

A full storefront rebuild for a heritage DTC brand stuck on a slow legacy stack.

Problem
4.2s loads and a clunky checkout were quietly bleeding revenue.
What we made
A headless, lightning-fast storefront with an editorial feel and 1-page checkout.
Role
Art direction, UI, Front-end, Performance
Tech
Shopify Hydrogen · Remix · Sanity
  • +27% conversion rate
  • 0.9s median load time
  • +19% avg. order value
design.helix.systems/button
Helix DS — component documentation
Client under NDA — interface recreated for this page
07 Design system · Enterprise

Helix DS

A unified design system for a 90-person product org shipping across 5 apps.

Problem
Five teams, five visual languages, endless rework and inconsistency.
What we made
Tokenized, themeable component library with living docs and Figma parity.
Role
Design systems, Front-end architecture, Docs
Tech
React · Storybook · Style Dictionary · Figma
  • −63% UI build time
  • 140+ components shipped
  • 5 apps on one system
app.brieff.ai/briefs/q3-roadmap
Brieff — AI meeting brief with action items
Client under NDA — interface recreated for this page
08 AI-powered · Productivity

Brieff

An AI tool that turns messy meeting notes into structured briefs and action items.

Problem
Teams lost decisions in walls of notes; follow-through was patchy.
What we made
An MVP web app with LLM summarization, smart tasks and shareable briefs.
Role
Product strategy, UX/UI, Full-stack MVP
Tech
Next.js · OpenAI API · Vercel · Prisma
  • 9 weeks idea to launch
  • $1.2M pre-seed raised
  • 2.3k waitlist sign-ups
04 — How we work

A process built to ship.

  1. 01

    Discover

    We dig into your users, market and goals — a focused sprint that aligns the team on the right problem before a pixel is drawn.

  2. 02

    Define

    We shape the strategy, scope and product architecture, turning insight into a clear, prioritized plan everyone believes in.

  3. 03

    Design

    Flows, interfaces and motion come to life in rapid, testable prototypes — refined with you in tight feedback loops.

  4. 04

    Build

    Senior engineers ship production-grade code in two-week cycles, with quality, performance and accessibility built in.

  5. 05

    Scale

    We launch, measure and iterate — staying on as a long-term partner to keep your product growing.

05 — The studio

Fifteen people.
One obsessive standard.

Meet a few of the leads who’ll be in the room.

Mara Ellison

Mara Ellison

Founder & Creative Director

Sets the bar for craft. 14 years designing products people can’t put down.

Tomas Reyes

Tomas Reyes

Head of Engineering

Turns ambitious designs into fast, resilient code. Ex-fintech platform lead.

Anika Sandberg

Anika Sandberg

Design Lead

Lives in the details — motion, type and the 1% that makes products sing.

Felix Hartmann

Felix Hartmann

Head of Product Strategy

Keeps every decision tied to outcomes. Former startup founder, twice over.

Yuki Tanaka

Yuki Tanaka

Mobile Lead

Ships buttery iOS & Android experiences. Three apps featured by Apple.

Lucía Herrera

Lucía Herrera

Studio Director

Makes the machine hum — delivery, partnerships and a happy, senior team.

06 — Kind words

What partners say.

“Vertex Devs felt like our own product team from day one. They shipped our MVP in nine weeks and it helped us close our pre-seed.”
Daniel KorhonenDaniel KorhonenCo-founder & CEO, Brieff
“The redesign paid for itself in a quarter. Conversion up 27%, and the brand finally looks like the premium product it is.”
Sofia MarchettiSofia MarchettiVP Digital, Atelier Nord
“Rare to find a studio this senior that also moves this fast. Our dispatchers actually love using the dashboard now.”
Marcus WebbMarcus WebbHead of Ops, Northbeam
Senior-onlyNo juniors learning on your budget
NDA by defaultSigned before the first call
Your repo, day oneCode and infra stay yours
Fixed-scope pilot2 weeks, fixed price, no lock-in
Reply in 1 dayOne business day, usually faster
07 — Let’s talk

Got something
worth building?

Tell us about your product. We reply within one business day — usually faster.

The form goes straight to the two people who would run your project — no agency funnel, no sales team in between.

Batumi, GeorgiaHome base
Hours09:00–19:00 CET
ContractsEUR / USD invoicing