Groupon completed its migration to the cloud in February 2023. Shortly thereafter our data centers were completely shut down and the equipment cleaned up. The move to the cloud has brought many advantages to Groupon engineering. Our infrastructure can now dynamically scale with our traffic throughout the year and engineering resources can be easily started up or turned off as…
Groupon
https://engineering.groupon.com/ · 10 posts · history since 2021 · active
16 Jun 2023
20 Sept 2022
Kubernetes is a very popular open-source container orchestration system for deploying, scaling, and updating your software, as well as automatically recovering from failures. If your code can be packaged into a container, e.g. via Docker, then it can run on Kubernetes, or k8s for short (which is sometimes pronounced ‘kates’ and refers to the 8 letters between the first and…
12 Sept 2022
Sharing experiences and learnings 🧪 Photo by Alex Kondratiev on Unsplash Experimentation is a key indicator of whether a feature will be appealing to users, maybe fall flat, or worse: cause a negative impact on them. Here at Groupon, we have been data driven for years, so it is in our nature to A/B Test everything that we present to…
1 Sept 2022
Groupon maintains literally hundreds of NPM modules, both open source and internal. Many of these are consumed by our custom NodeJS-based middleware web layer we call “The Interaction Tier” (itself a topic for another post someday). As folks write new modules, a common question is “what’s the best way to export things from our published modules to maximize compatibility?” —…
22 Mar 2022
At Groupon, we are in the process of migrating our app workloads to AWS EKS. As part of the migration, we are also in the process of re-architecting our services to make them cloud & Kubernetes optimised. In this article, we will focus on the impact of cloud migration on Varnish caching at Groupon. For the uninitiated, Varnish is a…
22 Dec 2021
All Grouponers who haven’t been living under a rock this past year probably know what CX90 is. But for the few that missed out on this extraordinary project and the rest of the world, CX90 was a huge effort across the Product and Engineering Teams at Groupon where all of us came together to redesign our user experience and interface…
20 Dec 2021
— Building Felix, the Design System for Groupon Several new features have been released on Groupon.com recently, such as the QR code in the navigation bar to download the app, and a banner carousel to display multiple banner messages within a single view. In the past, similar product features might take 2–3 sprints to complete, but now all of these…
11 Nov 2021
The end of September was marked by one of the most exciting events for women in technology: Grace Hopper Celebration of Women in Computing (GHC). For those who do not know, GHC is a yearly conference that highlights women’s contributions/involvement in different aspects of the tech industry. In a field that is overwhelmingly dominated by men, it’s important to acknowledge…
29 Oct 2021
Pinion — The Load Framework Part-2 This post is the 2nd part of the “Pinion — The Load Framework” series. In case you have not read the 1st post, you can read it here . In this post, we are going to cover the following topics. How does Pinion use Delta Lake for SCD operations? Small file problem with Delta…
3 Sept 2021
3 Rules/Guidelines to Reduce Implementation Flaws When I hear the word “rule”, I think back to grade school. “Be quiet when the teacher is talking.” “No interrupting, you must raise your hand with a question.” But what makes this different than following a set of guidelines? There was always that one kid who never listened to the rules. In coding,…