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In our techblog you can read about our challenging tasks around development, architecture, data science and more.
Christian, Konstantinos04.04.2023Return-rate forecasting with survival analysis
Especially in OTTO's retail business, accurately forecasting return rates and their fluctuations plays a major role in minimising unnecessary costs. In large-goods deliveries (fridges, sofas etc.) every single return results in very significant costs.data scienceworking methods
Team Nautik13.03.2023A Machine Learning approach to real-time display advertising
Let’s be honest, display advertising usually makes people think of an aggressive e-tailers literally hunting them down. Many potential online customers therefore resort to all-or-nothing ad blockers to save themselves from visual overload. However, beyond these two extreme user experiences, in reality display advertising is simply a modern equivalent to a classic poster hanging at the bus stop.developmentmachine learning
Michael, Sergey08.03.2023'Real' real-time programmatic advertising with TensorFlow
In collaboration with Online Marketing, Team Siggi at OTTO BI developed an in-house programmatic advertising solution in 2018. For this purpose, among other elements a separate SSP (Supply Side Platform) and DSP (Demand Side Platform) solution was developed, called Orbidder.development
Christian06.01.2023Rethinking semantic product search: a new approach to queries with unusual spelling variations
In recent years, semantic product search has been widely adopted in global e-commerce. However, many systems exhibit issues in understanding queries with unusual spelling variations. In this blogpost, we show you how Otto’s Team Turing has developed a new system that alleviates these problems. It is live and has lifted the Click-Through Rates (CTR) in the low-recall segments of otto.de by more than 25% and the Conversion Rate (CvR) in the low-hit segment by more than 90%.development
Guido01.12.2022Scaling Agile @ OTTO
Agile Development is definitely nothing new at OTTO – the term has long since reached Peak Hype. The first generation of Developers for whom 'Agile' is ancient history (or simply their regular working routine) are now almost Senior Devs. In brief, the term has lost its gloss and what we might now call 'Agile' is often a mix of Agile, Lean, XP and other working principles.working methods
Andreas, Philipp01.11.2022Kaggle: Machine Learning competition for the best Multi-Objective Recommender System
Major online retailers such as OTTO offer their customers millions of products to explore and purchase. However, finding the right product from such a vast selection without a little guidance can be exhausting! So we work to guide our customers to those products that best match their interests and motivations using personalised recommendations. For this reason we want to enhance our ability to forecast in real time which products each customer will want to see, add to their cart and order at any given moment of their visit.development
Dr. Mahmoud Reza28.10.2022From 5 pillars to the golden triangle
Nearly three years ago, we published our first post on how we handle security in the cloud based on our framework. Ever since, this framework guided us through our scaling product lines and thereby increased complexity of our cloud infrastructure. We have learned what worked and what did not work for us, and in this blog post we would like to share our experience so far.architecturecloud
Josefine26.10.2022How we work at data.works
Are you interested in data and cloud technology? Would you like to understand more about different roles in development teams? Are you looking for a new job? This blog post series is about our way of working and our job profiles at Otto Group data.works.working methods
