A story about why and how we added ad-hoc contract testing Previous Q&A before reading: “Does it apply to my app?” We’ve no idea about your app, sorry. Read, try, learn, and repeat. “Does it cover every single case?” Of course not; we’re still learning. We’re still iterating. This is our approach. It worked…

👋 Hello! I’m Dhruv, and I work at Mercadona Online in Valencia as a Product Manager in the Capacity Vertical. Mercadona Online is the e-commerce arm of the largest grocery company in Spain. Over the last few months, we’ve been working on building an automated system that moves capacity dynamically…

Introduction In my organization we have found traditional documentation (referring to typical user manuals with hundreds of pages) not to be very useful, unless in specific cases. Our encounters with documentation have lead to confusion and incorrect assumptions about the application’s functionality. Coders, let’s be honest, tend to be disorganized and…

Intro Hi everyone! The purpose of this post is to provide a brief explanation of how we typically manage feature flags on our team. This includes adding them to code and tests, as well as the most important aspect: deleting them in the easiest way possible to avoid errors We are…

At Mercadona Tech, we deliver a lot of Lechugas (Spanish: lettuce) per year. Our challenge at the last mile is to generate quality delivery routes that guarantee we can efficiently deliver our Jefes orders on time while promoting a respectable and safe working ecosystem for our drivers. Over a week…

In recent years, there has been a noticeable shift towards a more product-oriented culture in many technology companies. This shift has given rise to new roles such as product manager, product designer, and, more recently, product engineer. While I don’t believe those new roles are inherently superior to the typical…

How Mercadona Online ensures the highest quality of Customer Experience. — Last week, I had the pleasure of attending part of the onboarding cycle offered to us as Mercadona Tech employees: the ACMO Experience. ACMO (Atención al Cliente de Mercadona Online) is a team created to take care of the Mercadona Online clients, or Jefes, as we like to call them…

A lot has been written about pair programming. It would be useful to go down to the fundamentals about why this practice has been described as one of the socio-technical disciplines that helped foster both quality and efficiency in software engineering. In Extreme Programming Explained, Kent Beck prescribed a set…

Before we start, I want to tell you about the composition of my team. It is structured like any regular product team, with a slight difference. The team is composed by a Product Manager, a Product Designer, a Tech Lead, and several software engineers. Additionally, we have an extra position…