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Read the latest announcements, startup case studies, product development insights, software engineering articles, technology trends, and practical lessons from building, launching, and scaling digital products with startups.

Sep 08, 20261 min read

Entrepreneur Virtues and Vices

Boris Strandjev has spent the last 15 years building startups, acting as CTO in more than ten of them. That kind of repeat exposure gives you something most founders never get: a pattern library. Not theory, not frameworks borrowed from a business school case study — actual, repeatable failure modes he's watched play out again and again, alongside the habits that reliably pull companies through.

Recent posts

November 01, 20254 min read

AI Effects on Quality: Why Speed Shouldn't Eat Your Standards

At ISTA's 15th anniversary edition, Boris Strandjev returned to a theme he knows well from running Qualifast: what actually happens to software quality once AI enters the picture. Rather than cheerleading or panicking, he laid out a grounded, role-by-role view of where AI genuinely helps — and where it quietly erodes the things that make products good. Read more

April 15, 20254 min read

AI and knowledge

We are covering the topic of AI in a series of blog posts. The first two posts were looking at the matter at a more practical level, this one will be more theoretical / analytical. Read more

March 28, 20253 min read

AI will work instead of me!

We are covering the effect AI has on professional life and beyond. The first post covered the employer’s perspective, in this one we will look at the employee’s point of view. Read more

March 20, 20254 min read

AI will fully replace workers, or will it?

Plenty of people are hyped by the AI trend. Some are confident that soon humanity will become redundant, some are worried that they will lose their jobs and remain jobless, being forced into poverty by the all powerful AI. Read more

March 13, 20254 min read

How we handled a 40K IP DDoS attack on a tight budget

One happy morning we were notified that “The site is down”. It was about the application of one of our long standing partners, organization which we have full responsibility for the technical solution of. Read more

January 09, 20244 min read

Qualifast: A Year of Innovation, Growth, and Community

As 2023 draws to a close, we at Qualifast look back on a year of remarkable achievements. It has been a time of innovation, growth, and success, marked by the launch of groundbreaking Minimum Viable Products (MVPs), exceptional client feedback, and a strong focus on team culture and community engagement. Read more

The archive

Everything we've published since 2017 — launches, awards, conference talks and post-mortems, grouped by year.

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