TL;DR: We share our experience on how we built a conversational bot with Finite State Machines. It turned out to have its own shortcomings so we built a DSL to design our flows and called it “Sushi”.
Sushi is a more flexible and straight-forward tool to build complicated flows.
At bol.com we use GraphQL in our IT landscape, and we’ve found a convenient way of working with these API’s we would like to share. By generating our GraphQL queries from Java objects by using annotations, developers don’t need to worry about the query, and don’t need to maintain both a query and a domain object anymore.
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TL;DR: this article discusses in detail my presentation at Spaces Summit 2018. I talked about the need to stop smashing our keyboards and “blindly” focus on “high-speed”, and start thinking about what we are doing, why and how we are doing it.
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In many systems at bol.com the response speed of our systems is very important. This blog is about the data structures and algorithms we used to make a specific analysis step a lot faster: Finding the longest matching string prefix.
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The biggest e-commerce company in the Netherlands and Belgium, bol.com, set out on a 4 year journey to rethink and rebuild their entire ETL (Extract, Transform, Load) pipeline, that has been cooking up the data used by its search engine since the dawn of time.
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Last June, Spaces Summit was organized by and for bol.com employees. At Techlab, we want to celebrate this event by highlighting two presentations every month. This month, let’s get meta, and talk about organizing a conference. After that, we’ll go full geek again and look at Kotlin, to cure the Java headache you probably didn’t realize you were having in the first place.
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At bol.com, we deal with a lot of complex, technical challenges. Luckily, we also attract a lot of people who like a good challenge. This blog features two of our valuable interns, who chose to do a project with bol.com to benefit both us, and their studies. Read about their experiences, and the fun they had while doing their awesome work.
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Last June, Spaces Summit was organized by and for bol.com employees. At Techlab, we want to celebrate this event by highlighting two presentations every month. This month, we will look at two exciting presentations about aptly-named testing frameworks: Spock, and Karate.
Read moreLast year the Measuring 2.0 team at bol.com has started measuring user behavior on the bol.com website. Of course, we wanted to make the data widely accessible within the whole organization.
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Early October 2017 saw the release of a new tool for test automation, Cypress 1.0. It’s not just another tool, it’s a tool with specific goals in mind.
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