# Peak Season 2023 : How Klarna achieved consistent success

DevFeed: [Peak Season 2023 : How Klarna achieved consistent success](<https://devfeed.tech/articles/peak-season-2023-how-klarna-achieved-consistent-success-35653.md>)

Original publisher: [Read original article](<https://engineering.klarna.com/peak-season-2023-how-klarna-achieved-success-consistently-53f673d2d58d?source=rss----86090d14ab52---4>)

Author: Anu Sasidharan

Published: 2024-03-01T08:52:56Z

Content type: article

Language: en

Sources: [Klarna Engineering](<https://devfeed.tech/sources/klarna-engineering.md>)

Topics: [Resilience](<https://devfeed.tech/topics/resilience.md>), [systems](<https://devfeed.tech/topics/systems.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [cloud](<https://devfeed.tech/tags/cloud.md>), [efficiency](<https://devfeed.tech/tags/efficiency.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [systems](<https://devfeed.tech/tags/systems.md>)

## AI overview

Klarna describes how it prepared for and operated through the 2023 peak season. The company reports zero critical or major incidents, a 30% reduction in overall incidents compared with 2022, optimized cloud costs, and improved engineer efficiency. The article also explains the scale of seasonal traffic and the systems and teams involved.

## Source excerpt

Peak Season 2023 : How Klarna achieved consistent successIntroduction This article summarizes how Klarna consistently achieved its Peak Season goals during 2023. In 2023, we aimed higher. We were committed to continual improvement, building on the progress made in 2022. Our primary focus was to deliver the best possible experiences to our customers. During the Black Friday sale, we broke our own records, a testament to our commitment and capability. 1. Klarna's systems showed resilience with zero critical or major incidents, and we saw a 30% reduction in overall incidents compared to 2022. 2. We optimized the management of resources, leading to optimal cloud costs. 3. We paid special attention to our engineer's experience, ensuring a smooth Peak Season preparation. This improved efficiency, and lessened the workload. The topics this article covers: Peak Season at Klarna Factors contributing to our success Approaches to Peak Season essentials Lessons learned Peak Season at Klarna The most important time of the year for Klarna is the 'Peak Season.' It starts with the busy week of Black Friday and ends with the sales at the end of the year. Peak Season gets busy because of Holidays and Festivals, Sales and Discounts, and seasonal necessities. During this time, e-commerce and fintech companies buzz with heightened activity, with Klarna being a significant player amidst them. Why is the Peak Season important for Klarna? Klarna's mission is to give shoppers around the world easy, safe, and 'smoooth' ways to pay. We handle an average of over 2 million purchases every day, serving over 150 million active shoppers at more than 450,000 sellers in 45 countries. On Black Friday, we handle more than 3 times the usual daily purchases. Big sales events, especially flash sales, mean our systems have to manage a lot of traffic. Flash Sales are quick discounts or promotions from stores that get buyers excited. This rush adds to the already busy season, and our systems have to quickly