A/B Test Evaluations for Software Engineers

At HolidayCheck, A/B testing is a cornerstone of our decision-making process, allowing us to innovate and enhance our customers’ experience continuously. However, interpreting A/B test results can be challenging, even...

in Machine learning 15 minutes read

Starting my Journey at HolidayCheck

There are a few transition phases in every persons’ life which play a big role in our development and defining who we are as a person. University, first job, moving...

in Culture 4 minutes read

Fighting Fraud Reviews at HolidayCheck

Authentic holiday experiences are at the heart of HolidayCheck’s DNA. In this post, we would like to give you a brief glimpse of our various efforts to prevent fraudulent reviews...

in Machine learning 5 minutes read

4 Remote Cheat Sheets

As a company, HolidayCheck is very experienced in working remotely as we have several locations like Bottighofen (CH), Munich (DE), Poznan (PL) and Warsaw (PL). In addition, we already had...

in Culture 5 minutes read

JavaScript The Language Meetup: async/await

Yesterday we’ve hosted a “JavaScript the Language” Meetup at HolidayCheck. This is a monthly meetup where we go into details about specific aspects of JavaScript. The topic of Thursday’s meetup...

in Javascript 5 minutes read

HolidayCheck GraphQL Day

This week we had an internal GraphQL Day at HolidayCheck in the Munich office. In this article I will share with you why we did it, what we talked about...

in 10 minutes read

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HolidayCheck Camp 2019

Only one strong team that believes in sharing, solution-oriented discussions, has fun together and cares for each other can build the best product. That was the HolidayCheckCamp 2019, Golden Sands...

in Event 5 minutes read

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Create Universal Apps Using Next.js

Let’s talk first about libraries for creating universal applications. On GitHub you can find a large number of projects implementing the idea of universal web applications. However, all these projects...

in Javascript 10 minutes read

Craft Consultants

As aspiring Software Craftsmen we are raising the bar of professional software development by practicing it and helping others learn the craft.

in Craft 4 minutes read

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InnoDays 2018

Ship Some Thing. That was the motto for our InnoDays 2018. We spent 4 days in the Bavarian mountains with an amazing view but limited wifi to work on new...

in Event 4 minutes read

Simple Slackbot

Recently I’ve built a small slackbot that is posting with certain regularity in a specified Slack channel. I will tell you about the idea behind it and also share some...

in Javascript 7 minutes read

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#jslang Meetup - Errors

In our offices we have a monthly meetup, which is all about JavaScript language features, we call it “JavaScript The Language” (see twitter #jslang). We pick one language feature and...

in Event 4 minutes read

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Migrating from Galen to Backstop

Visual regression testing has recently started gaining popularity- and for good reason. At its most basic, it’s a series of tests that run through your site, take screenshots of various...

in Testing 11 minutes read

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My Apprenticeship

My days as an apprentice are slowly coming to an end. As the final day arrives, I have an irresistible desire to share. I would like to share how I...

in Culture 12 minutes read

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Self Organization

I remember the very first day as an apprentice at HolidayCheck. Honestly, it was only four months ago, not so hard to recall. The thing is, it feels like it’s...

in Motivation 8 minutes read

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The HolidayCheck Apprenticeship

Yesterday marked the public launch of the HolidayCheck Apprenticeship Program. If you want to apply, you can do so right now at https://apprenticeship.holidaycheck.com - But for now, please keep on...

in Culture 5 minutes read

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Backlog Priority Automation using Github Apps

Working in small iterations, being data-driven, user-input driven or simply lean is our ideal style of working. And it is awesome when this works. But there are also other situations...

in Product 10 minutes read

Workflow automation

As engineers, we like to script and automate whatever’s possible. It doesn’t matter if we’re talking about creating three-character-long aliases for a ten-character-long command, adding labels to newly created issues,...

in Culture 10 minutes read

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Go: The Beginning

We’ve been already using Go at HolidayCheck for quite some time. There are some services written with Go and also the primary user of it is our infrastructure team. Apart...

in How we learn 10 minutes read

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Agility Potion +1:
Working with obstacles

Exasperation or disappointment are typical feelings. It does not surprise me anymore how people usually react to unexpected roadblocks. You really wanted to make it happen but now you can’t...

in Coding 3 minutes read

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Testing code that isn't there yet

It’s relatively easy to test a piece of code that is already there. Stub dependencies, check calls, returned values. Voilà, there you have it. But what about a code that...

in Testing 15 minutes read

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Non-technical summary of JBHC workshop

We were glad to attend J.B. Rainsberger recently, where he presented several working methods from so called micro techniques to more general approaches to improve and enhance everybody’s daily business...

in Event 5 minutes read

AMP Roadshow in Munich

Google invited lots of developers to the AMP Roadshow that they are currently doing worldwide. We joined the Munich edition in their offices. Google does that to promote their technology...

in Event 7 minutes read

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NixCon 2017 In Munich

At HolidayCheck we started using Nix and NixOS roughly 1.5 years ago. After humble beginnings with nothing but a default.nix to provide the correct nodejs version via nix-shell, we are...

in Event 666 minutes read

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#jbhc17 from my perspective

When I first heard about JB coming to HolidayCheck to work with us I was excited. I hadn’t heard much about him then, so I began googling him. I did...

in Event 4 minutes read

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Haskell Learning Group - first meeting

In HolidayCheck we believe in the value of learning new things. So the last week we held a first meeting of our Haskell Learning Group. The point of this group...

in How we learn 15 minutes read

Apprenticeship at 8th Light

Officially it was 2006 that 8th Light says they had started the apprenticeship program. From reading a bit around and searching for related articles online, it seems that there had...

in How we learn 20 minutes read

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62 Engineers, 1 All-inclusive hotel

Early in May this year, all HolidayCheck IT engineers, Scrum masters and line managers from all our locations in Poland, Germany and Switzerland had their regular all-developers meetup.

in Event 6 minutes read

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On personal development

I hate beginnings. The feeling of excitement with starting something new is so great that I miss it terribly when it ends. Depending on the attitude it can last long...

in Motivation 9 minutes read

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CoP Testing #2 - Structuring Tests

At HolidayCheck we are doing “Communities of Practice” for various things. The one I started, is the “CoP Testing”, which cares about all things around testing. Since I care a...

in Event 6 minutes read

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Keeping C.A.L.M.S. at HolidayCheck

In the last article called “Adapting DevOps culture with C.A.L.M.S.” I’ve described the C.A.L.M.S. model and showed its importance and usefulness for proper adaptation of DevOps culture.

in Culture 9 minutes read

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