Production e-commerce store for a real client — 2,200+ products, faceted search, fully custom admin panel and POS stock sync. A complete WooCommerce replacement built with Next.js.
DEOS is a design-led engineering studio crafting high-performance web platforms, SaaS products and digital experiences for ambitious companies worldwide.
Trusted by teams building the future
From first sketch to production infrastructure — a full-stack studio that designs, builds, ships and maintains the software your business runs on.
Not another agency. A senior team that treats your product like our own — obsessed with speed, clarity and the details most teams skip.
The people you meet are the people who build. No hand-offs to juniors, no account managers in between.
You get a clear proposal and a fixed price after discovery — never open-ended hourly billing.
We ship in reviewable increments with live previews, so you see real, working software every week.
On final payment you receive full ownership of the code, design and infrastructure. Zero lock-in.
Lighthouse 95+, Core Web Vitals budgets and accessibility baked in from the first commit.
Retainers for security, monitoring and iteration mean your product keeps getting better, not stale.
A look at platforms and products we've designed and engineered — and the outcomes they delivered.
Six deliberate phases that take you from idea to a maintained, production-grade product — with real progress you can see every single week.
“Osman is a fantastic developer who brought our ideas to life!”
We use proven, best-in-class technology — never trends for their own sake. Every tool earns its place by making your product faster, safer or easier to evolve.
Most engagements land between €8k for a premium marketing site and €80k+ for a full SaaS platform. We scope precisely after a discovery call and give you a fixed proposal — no open-ended hourly surprises.
Tell us what you're working on. We'll come back within one business day with honest, concrete next steps — no pressure, no fluff.