Dorien Jorissen

Reading time 7 min

Dorien Jorissen

In software development, assumptions can have a serious impact and we should always be on the look-out. In this blog post, we talk about how to deal with assumptions when developing software. Imagine…you’ve been driving to a certain place A place you

Reading time 4 min

Dorien Jorissen

ACA does a lot of projects. In the last quarter of 2017, we did a rather small project for a customer in the financial industry. The deadline for the project was at the end of November and our customer was getting anxious near the end of September. W

Reading time 10 min

Dorien Jorissen

Suppose you’re a Product Owner in an Agile delivery team, ready to get working on your product. In order to do that, you’ll need to give your development team a goal and a list of things to work on. If you use SCRUM as the framework, you’d call that

Reading time 4 min

Dorien Jorissen

Estimating the effort necessary to develop certain functionalities when writing software gives your customers some certainty and predictability. That being said: making software development estimates is usually not the most popular part of a develope

Reading time 7 min

Dorien Jorissen

An anthology of painful truths (and how to cope) Rookie mistakes As with many Product Managers I know, the job was handed to me like a hot potato on a burning silver platter. By lack of other volunteers. By accident. And with little context. Moreover

Reading time 3 min

Dorien Jorissen

A couple of months ago Dorien from Marketing asked me to write a blogpost about my first experiences at ACA Group. Now the roles are reversed: “Dorien, may I share my experiences?” I could write many pages on my experiences from the past 6 months, bu

Reading time 4 min

Dorien Jorissen

There are only a few days left until the GDPR goes into effect and an alarming amount of people are panicking and wondering how they can save their marketing and sales from it. But why does everyone feel like that, when in fact, the GDPR is actually

Reading time 5 min

Dorien Jorissen

We all know you can use Jira Service Management for your IT helpdesk , but did you know you can also use it for facility management? No? Then you definitely didn’t imagine you can rent forklifts, scissor lifts and pretty much anything with Jira. In t

Reading time 5 min

Dorien Jorissen

This is a dangerous post. It could – again – trigger some discussions on the internet between pro and contra Agile. Although these discussions are sometimes fun to read, that is not the goal here. In this post, I want to show some fundamental differe

Reading time 12 min

Dorien Jorissen

In this second part of this blog post series I will share my learnings on creating a notes app. We will handle creating, updating and deleting notes and adding authentication. Please find part one of this blog post series here , in which we have set

Reading time 10 min

Dorien Jorissen

Nowadays, loads of functionality that once got taken care of in the backend is shifting towards the frontend. As a frontend designer, I’ll show you how to create a simple SPA (Single Page Application) without the hassle of maintaining a backend. What

Reading time 3 min

Dorien Jorissen

A select group of people nowadays still tends to think that being a designer is just about “pushing pixels”: making stuff look pretty. Add some unicorns covered in pixie dust and everything is going to be alright. Of course, as designers we need to h

Reading time 3 min

Dorien Jorissen

I’ve been working with Liferay for quite some time now, but I must confess that I still haven’t really made the switch from Velocity to Freemarker for my templates. Even though I know there are a lot of benefits to using Freemarker, like better error