Published in QE Unit·PinnedAirbnb’s Microservices Architecture Journey To Quality EngineeringAchieving balance is an endless beginning. An equilibrium even harder to maintain when the business depends on software quality and speed to survive. Companies have the challenge of continuously delivering Quality at Speed software , constraining the software lifecycle with Quality Engineering. Airbnb faced numerous challenges while accelerating and…Software Development8 min read
Published in QE Unit·20 hours agoOne Diagram You Should Focus OnSome words sound old-school. That’s the case for sequence diagrams — a word usually associated with a previous mainframe era, and being out of date with new practices such as microservices. Even if the technology landscape is constantly changing, there are fundamental things that don’t: specifying what a process must…Software Development7 min read
Published in QE Unit·2 days agoThe Quality Engineering User StoryUser stories are only the start. While they are helpful in identifying valuable feature increments, they require more precision for implementation. And specifying the “What” is complex without a shared structure that can be systematically used along the software lifecycle. That’s where the two methods of Behavior-Driven Development and Example…Software Development8 min read
May 19How Google Makes Design SprintsGoogle’s search bar solves 5.6 billion searches per day. That’s a lot of problems solved for a single search bar that emerged as a great user experience and software design. But many other problems still remain for users, requiring a number of iterations until to achieve the same level of…Design8 min read
Published in QE Unit·May 175 Days of Design Sprints Will Save You Months Of Coding“Will users like this feature?” A challenging question to answer, until you actually experiment your ideas with real users — trying to understand them to solve their problem. Things get more complicated when you need software development to test your ideas: prioritization must be done, resources allocation, coordination. It takes…UX8 min read
Published in QE Unit·May 12Minimum Valuable Move: How To Make Decisions With ConfidenceThings change fast. Digital actors valued at $1b emerge in less than 2 years, innovation cycles are faster, pressuring existing companies to reinvent themselves. In such a context, the choice of Quality at Speed software increments a company decides to pursue are critical as defining their probability of survival. But…Software7 min read
Published in QE Unit·May 10The Art Of Problem SummaryConciseness is an art. Especially when trying to solve problems, we can easily get lost in unnecessary details and endless analysis. And this time counts for staying in course of the digital transformation. Defining the problem is the first step provided by problem-solving methodologies, but what to analyze, when to…Problem Solving7 min read
Published in QE Unit·May 5When You Think About Scrum, Just Start With KanbanDoing “agile” sounds good. Even more when no methodologies are in place, implementing Scrum seems like the missing foundations. Rituals are explained to the team but after a few sprints: 50% of tasks are not completed in-sprint and it’s hard to plan without historical data. Implementing such a framework takes…Software Development8 min read
Published in QE Unit·May 3Build Software That Really Matters With Customer Journey MapsWe are driven by experiences. Our natural tendency is to search for positive experiences we will favor and reinforce, while avoiding negative ones (e.g. exercising). The same behavior applies to digital, where things change fast. A bad experience rapidly results in a customer loss, even with previously positive ones. …Software8 min read
Apr 29Quality Engineering — It’s not only about Quality, Testing or Engineering“Quality Engineering”. With a preference for (too) short acronyms, I felt that Quality Engineering was the way to express what I had in mind for more valuable software. I experienced repeated patterns of lack of transversality between functions leading to inefficient systems, software, and in the end, businesses. It was…Technology3 min read
