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Build once, deploy many in React: Dynamic configuration properties

Build once, deploy many is an essential principle of software development. The main idea is to use the same bundle for all environments, from testing to production. This approach enables easy deployment and testability and is considered a fundamental principle of continuous delivery. It is also part of the twelve-factor methodology. As crucial as it is, it has not received significant …

How Kotlin can help with old project modernisation

On my projects, I mostly work with modern Java (11+), but I still occasionally work with older versions (6,7) as well. Every time I switch to an older one, I miss modern Java features, especially those found in functional programming such as lambdas and streams, which I find very useful. Imagine you have an old maintenance project with poor old Java 6 or 7, and …

Social Scoring and Credit Forecasting: Data Science Breakfast

We held another professional breakfast, this time on the topic of credit forecasting. The breakfast was mainly directed at professionals from the fields of AI, data analysis, and modelling, but we also gladly welcomed directors and managers, especially from the banking sector as they are directly affected by the topics from a business perspective. After all, the highlight of the breakfast …

Full-stack, T-shaped, M-shaped, comb-shaped, … can we stop it, please?

History tends to repeat itself. It is a simple fact to embrace, especially in IT. Principles defined 70 years ago and nearly forgotten 40 years ago are trending again. Yes, I am talking about functional programming, for example. All modern programming languages support it. For some of them, it was a pure revolution (say hello to Java streams!). But how many millennials are …

DevOpsCon London 2020: The Online Conference

Profinit was to participate in DevOpsCon for the first time in April 2020. The conference was supposed to take place in the heart of London, but the COVID-19 pandemic prevented that from happening. At the last minute, the organizers announced that the conference was postponed to early September, so all we could do was wait and see how things would …

The Information Paradox of Stories

According to a quote attributed to American poet Muriel Rukeyser, “the universe is made of stories, not of atoms.” Perhaps surprisingly, this opinion is supported by astrophysicist Brian Greene in his recent book Until the End of Time. While our “objective” external world really seems to be composed of infinite moves and re-combinations of elementary particles—which can be seen as something …

WEBINAR: Revealing clients’ behaviour from transactional data

We are living in a world of relations. Every click on a link, every article, image or video you have seen, every like you have given – those all make relations between you and some content. This fact is not applicable to social media exclusively. In the land of banking transactions, you are creating relations by sending and receiving money. Real, hard-earned …

Experiences from TechEd 2020 Online

TechEd is a purely Czech, professional conference where IT experts share information about what’s new in the world of IT, and this was their 18th annual event. As in previous years, Profinit was a conference partner, so my colleagues and I couldn’t miss it. What was different from previous years was that this year’s conference was affected by the COVID-19 pandemic, so it …

Data Platform for Digital Transformation

Digital transformation is a cryptic concept under which different people imagine different things. Most would agree that digital transformation is associated with new technologies and their use for new types of services, products and processes. The term digital transformation has a long history. Google lists 1,450 search results for this term from the year 1998. That is the year Google was founded as …

Doing a master’s thesis at work: Killing two birds with one stone

As we already mentioned in a previous blog article, as part of our long-term cooperation with universities, we help students with their final theses and offer them real experience working on our projects. This was the case with Šárka, who Ondřej Zýka took under his wing. Like every master’s student, Šárka waited until just before the last year of study to …