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What a clickable prototype should prove before the build

A clickable prototype no longer proves much by looking finished, since AI tools can now produce a convincing one in an afternoon. Before it is used to approve a build budget, it should pass four tests: it holds up beyond the happy path, the people who will use it have reacted to it, every screen maps to the feature breakdown and the assumptions behind it are written down. What it cannot show is demand, behaviour under real conditions or build effort.

Mihai Bâlea - 7 Oct 2026

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UX/UI Design Featured AI Product design
Product design in software development is not UI/UX design

Alex Marciuc - 21 Aug 2026

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Paula Cristea - 7 Aug 2026

7 steps to validate a product idea before you build

Product validation is the work of gathering evidence that a specific problem is worth solving for a specific audience, before any production code is written. A practical sequence runs through seven steps: define the segment, write the problem hypothesis, run discovery interviews, map existing substitutes, spike the riskiest technical assumption, prototype, then score the evidence. The output is not a feeling about the idea. It is a written argument that can survive a co-founder or an investor asking why.

Idea to MVP Featured Startup
Stefan Sarbu - 3 Aug 2026

How to choose a product design agency in 2026

Choosing a product design agency comes down to three things that are hard to read from a proposal: how the team thinks about problems, who actually does the work and whether the scope matches what the budget can carry. Price ranges are useful for spotting an outlier, but they rarely separate a good fit from a bad one. The more reliable signal is whether an agency asks difficult questions before it shows you screens.

Featured Startup Product design
Alex Marciuc - 30 Jul 2026

Why a product design phase comes before the build budget

A product design phase is four to six weeks of structured work sitting between an approved idea and a committed build budget. It produces a validated prototype, a prioritised feature breakdown with ranged estimates, a technical architecture with integration risk resolved, and a release plan with cost scenarios attached. The output is not a set of design artifacts. It is a narrower cone of uncertainty, and a scope that can be cut without breaking. Teams that skip the phase rarely save the money. They move it into the build, where it gets spent on rework nobody planned for.

Featured Startup Product design
Tudor Iordache - 2 Jul 2026

Six principles for AI systems that work in production

The AI projects that work in production share a small number of structural decisions. None of them is about the model. All of them are about the system around the model: the threshold defined before the build begins, the constraint treated as architecture rather than an obstacle, the surface designed as the actual product, the MVP scoped as the first instance of the platform, the human kept in the loop as a permanent feature rather than a transitional one. The discipline of building AI well is the discipline of getting these decisions right early enough for the model to do its job, and of refusing to defer them until the cost of deferral becomes unavoidable.

Technology Featured AI
Stefan Sarbu - 29 Jun 2026

Five MVP decisions that turn an AI MVP into an enterprise AI platform

The MVP-to-platform transition fails not because the technical architecture is wrong, but because most teams treat it as a scaling problem when it is actually a redesign problem. The MVP gets you to one customer. The platform requires you to be honest about what was specific to that customer and what is genuinely transferable. The teams that get this right do not generalize reactively. They build the MVP knowing which decisions will need to be revisited at the platform stage, and they revisit them deliberately.

Technology Featured AI Architecture
Tudor Iordache - 24 Jun 2026

Human-in-the-loop AI systems where judgement stays in the workflow

Human-in-the-loop is not the version of AI you build while waiting for the model to get good enough to replace the human. It is the version of AI that actually works in domains where being wrong is expensive. The teams treating it as a transitional design are building systems that will eventually be replaced. The teams treating it as the destination are building systems that compound trust and improve over time.

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