From 4 - 8 November Devoxx will be back at Kinepolis in Antwerp! During the conference, bol. com will be present with a booth on Tuesday, Wednesday and Thursday. On Friday our colleague Thomas Stoepker will give a 50 minutes presentation about ' Scaling Sustainable Innovation through Team Autonomy at bol.
Booth and presentation @ Devoxx 2019 AntwerpIt’s common sense of course to keep your codebase clean all the time, but this isn’t always the case. It simply happens that a codebase grows in ways that were not foreseen on forehand resulting in an unclear architecture...
Refactoring your codeOn June 13th, we organize the third edition of Spaces Summit: an internal tech conference for and by bol. com IT. From the start of the idea three years ago at a “borrel” (Friday afternoon drinks), Spaces Summit has become the biggest event inside bol.
Spaces Summit - Launching for the 3rd editionOn Wednesday the 26th of June bol. com will host a meetup about Angular and Progressive Web Apps (PWA). Lars Meijdam en Marcel Visser (both Team Rockstars IT) will present on Progressive Web Apps.
Meetup: Angular and Progressive Web AppsOn Wednesday the 15th of May bol. com will host a meetup about migrating from on-prem to the Google Cloud Platform (GCP). After dinner is served, René Feiner, director of engineering at MessageBird will kick off the evening and talk about how and why they moved from their datacenter to GCP.
Meetup: René Feiner (MessageBird) & Maarten Dirkse (bol.com) - Migrating to the cloudOn Wednesday the 30th of January we will focus on modern CI/CD practices. Maarten Dirkse, cloud advocate at bol. com, will update us on the migration of bol.
Meetup: Maarten Dirkse & Tariq Ettaji - CI/CD @ bol.com & XebiaTL;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 (Domain-Specific Language) DSL to design our flows and called it “Sushi”. Sushi is a more flexible and straight-forward tool to build complicated flows.
Sushi: A DSL for Conversational Flow Design“It didn’t look like a big issue at that moment”. Everybody in the room listened to what the Engineer on Duty (EoD) had to tell about the first moments what, later on, turned out to be a partly outage of the webshop in peak season. It’s Monday morning 10.
How we deal with the unexpectedBol. com is growing with approximately 30% per year, not just in terms of revenues but also operationally. With these increasing numbers it’s an on-going challenge to fulfil all customer orders in time.
The life of a WMS consultant at bol.comWith a growing microservice landscape, the importance of aggregation layers is also increasing. For some of these aggregation services we are trying Facebook’s GraphQL, with two of them now running on our production environment. We've found that one of the drawbacks in using GraphQL is maintenance on both domain models and GraphQL queries.
A developer friendly GraphQL client