Psychological Architecture.

Software, like physical space, shapes how people move, feel, and decide. Get the human blueprint wrong, and no amount of engineering fixes the structure.

Architecture school doesn't teach speed. It teaches you to hold a brief until the right structure becomes visible - and that whatever structure you choose governs everything built after it. The load-bearing wall goes in before the first brick; get it wrong, and everything stacked on top is wrong too.

That logic governs digital products too. A wallet's confirmation flow, a loyalty program's reward cadence, an onboarding sequence's first question - each is a spatial decision. It places the user, applies a weight, sets a direction of movement. Get the blueprint wrong and users feel it before they can name it: they churn, disengage, or never come back - and the post-mortem blames retention metrics instead of the real cause, a structure that never accounted for how people actually behave inside it.

We treat product design as applied psychology under structural constraints. The constraint is real - budget, timeline, an engineering reality that won't bend. But inside it, every choice about flow, friction, language, and sequence decides human behavior: where attention goes, where trust builds, where anxiety spikes, where commitment forms. Getting that right takes deliberate thinking that can't be templated or rushed - discernment, and the patience to sit with a brief long enough to earn it.

Founders and product teams across fintech, entertainment, and loyalty - categories where one misjudged human signal costs more than any missed deadline.

Where it showed up.

Consumer fintech

Retention +8%, daily actives +10%

Built the engagement strategy behind a large-scale consumer loyalty program: user research, AI-driven segmentation, gamification mechanics. Engagement among high-value users rose 30%.

B2B · new category

Certified for US, China and EU markets

Took an industry-first B2B product from market insight to international launch: identified the gap, secured funding, passed certification, won clients across Europe and the Middle East.

Consulting

Time-to-market cut 35%

Ran roadmaps, discovery and agile delivery for SaaS, fintech and physical-product clients - including a new generation of tiny homes taken to a funded, sustainability-compliant launch.

Client names withheld under NDA; every figure here is real.

Founded by Konstantin Karamfilov.

Konstantin Karamfilov, founder of K-Naught

Konstantin trained as an architect before he ever opened a product backlog, and that order matters. Architecture school doesn't teach you to ship fast - it teaches you to sit with a brief until the structure reveals itself, and to respect the constraints that keep a building standing. He carried that posture straight into software.

Since then, he's spent 7+ years building fintech and digital wallet products, and leading loyalty and gamification programs at a scale most teams never see: sports-prediction and rewards mechanics running across millions of users, where one misjudged incentive loop moves real behavior. That's where he learned psychology is the product - the feature list is just scaffolding.

He works the crossing of digital and physical - fintech wallets that live in a pocket, loyalty that shows up in a store, and product management for theme-park attractions, where the product is something visitors walk through and feel. That range is the point: the same psychological questions decide whether a wallet, a rewards loop, or a ride lands.

He's drawn to the foggy beginning - the point before a team agrees what it's building. Most consultants skip past it; we start there. As K-Naught grows beyond one person, that's the discipline the whole team is built around.

Fintech Theme-park attractions Loyalty & Gamification Entertainment Agile Architecture EU · ME · APAC 7+ years

Start at naught.

A 30-minute call, no pitch - bring the idea, even the rough version.