Have you ever had an issue with one of your food deliveries? I’m sure you have. In fact that’s the first thing people tell me about as soon as I mention I work for Glovo. “Can you believe they missed my fries?”. There could be issues with couriers, issues with…

Introduction This article explains the memory leaks issues that we face in Glovo through our landing page and how we dealt with them, what we did to solve them, and how to prevent them from happening again in the future. Context The Glovo landing page is a Server Side Rendering (SSR) Web…

Intro In the instant-delivery business, efficiency is everything: a large volume of orders with relatively small delivery fees is sustainable only if the system is able to leverage the scale reducing the cost sustained by the company for each individual order. That’s why in Glovo we invested a lot of resources…

By the time this gets published, it will be some good time after Christmas, but some stories are timeless. Incidents are never a cause for joy, but they hit in a different way when they affect something that normally is associated with ‘wins’. …

This article was written by Victor Bouzas and David Masip, Data Scientists at Glovo. Abstract In this article, we discuss different covariate adjustment techniques that are routinely used to reduce variance in controlled experiments. We compare four different techniques — Multivariate Regression, CUPED (Controlled-experiment Using Pre-Experiment Data), CUPAC (Control Using Predictors…

Nobody would call me crazy if I state that most companies, that have reached a certain size, have moved from monolith to microservices (and very few of those probably challenged the decision). This story starts in one of those companies. In the past years, I have been heavily focused on…

Everything You Always Wanted to Know About DORA in mobile* (*But Were Afraid to Ask) — Intro A few years ago the Google SRE team presented the DORA key metrics to measure the performance of a software engineering team. Last year they introduced a fifth one (reliability). This caused great enthusiasm in the industry, and multiple companies started to follow them. However these metrics are highly oriented…

STEM Day is celebrated every year on November 8th to encourage young people to explore science, technology, engineering, and math education programs. We spoke to a few employees working in the Glovo tech department, asking about how they started their careers, interests, and achievements in STEM. Sena Sanioglu, Sr Software…

Why? As Glovo was experiencing rapid growth, we started to expand to new verticals and release more features, which led us to have to develop a lot more new user interfaces. It involved many engineers and different teams. …