Two interesting reads on team structure and focus

Two interesting reads on team structure and focus

(Re)discovered two interesting reads on team structure and focus this week that I like to share.

Pioneers, Settlers and Town Planners

pioneer, settler and town planner The Pioneers, Settlers and Town Planners approach help structure organisations and teams. It takes into account how activities and practices move from chaotic (poorly understood, uncertain, constantly changing, rare, future source of worth) to more linear (well-defined, predictable, stable, common, cost of doing business) and how (more...)

Video applying web scale patterns – Codemotion 2017

Video applying web scale patterns – Codemotion 2017

During my holiday the video of my applying web scale patterns at Codemotion Amsterdam 2017 was released on youtube.

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Travis Law

Travis Law

Travis’s Law:

Our product is so superior to the status quo that if we give people the opportunity to try it, they will defend it and demand its right to exist.

Travis Law is a quote from a speech by Travis Kalanick founder of Red Swoosh and wider known Uber. In his CEO role at Uber, there have been quite some scrimmages with local governments and unions. This law is one of the (more...)

Presentation Applying “web scale” patterns in the bol.com back office

Presentation Applying “web scale” patterns in the bol.com back office

Codemotion web scale pattern presentationThis week at Codemotion I gave a presentation on web scale patterns and how we apply them in the bol.com back office services. Codemotion is the biggest tech conference in Italy and one of the most important in Europe.

The presentation shows how we go from business goals to software patterns. The following patterns were covered: CQRS, event sourcing, polyglot persistence (more...)

Presenting at Codemotion next week on web scale patterns

Presenting at Codemotion next week on web scale patterns

Next week I’ll be presenting in Amsterdam at Codemotion on web scale patterns in bol.com back office services. Codemotion is the biggest tech conference in Italy and one of the most important in Europe, with a network of more than 30k developers.

The title of my presentation is: “Applying “web scale” patterns in the bol.com back office”. In the session, we show you how (more...)

web scale patterns in the bol.com back office – Mixed SQL – NoSQL

web scale patterns in the bol.com back office – Mixed SQL – NoSQL

In the previous weeks, we started a series of blog posts that show you how we use “web scale” patterns to achieve scalability and flexibility in our back office software. The previous patterns discussed were Event Sourcing and CQRS. This week we will dive into mixed SQL – NoSQL. Showing you how this doesn’t just solve a technical problem, they help (more...)

web scale patterns in the bol.com back office – Event Sourcing

web scale patterns in the bol.com back office – Event Sourcing

Last week we started a series of blog posts we show you how we use “web scale” patterns to achieve scaleability and flexibility in our back office software. Last weeks pattern we discussed was CQRS. This week we will dive in to Event Sourcing. Showing you how this doesn’t just solve a technical problem, they helps us solve our business problems!

Event Sourcing

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web scale patterns in the bol.com back office – CQRS

web scale patterns in the bol.com back office – CQRS

In this series of blog posts we show you how we use “web scale” patterns to achieve scaleability and flexibility in our back office software. We will guide you through how we apply patterns like CQRS, event sourcing and micro services to solve puzzles in our back office services. These patterns don’t just solve a technical problem, they helps us solve our business (more...)

Presentatie Agile schalen op basis van best practices

Presentatie Agile schalen op basis van best practices

Net als de afgelopen jaren heb ik afgelopen vrijdag een presentatie over Agile Architectuur gegeven. Kern van de presentatie dit jaar is dat bij het schalen van Agile vooral de problemen/uitdagingen die je onderweg tegenkomt aangepakt moeten worden en niet klakkeloos een framework gaat implementeren. Aan de hand van voorbeelden leg ik uit hoe we dit binnen bol.com aanpakken.


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Book – Holacracy

Book – Holacracy

HolacracyIk kwam een mooie samenvatting van het boek Holacracy van Brian J. Robertson tegen. Eerder schreef ik een review over Getting Teams Done. Waarin holacracy (en de variant Spark) beschreven wordt als een methode voor teamproductiviteit, net als GTD dat is voor individuele productiviteit. Mijn ervaringen met de holacracy variant Spark beschreef ik in deze post.

De case die vaak gegeven wordt als holacracy adoptie beschreven wordt is Zappos, maar er zijn (more...)