<HeurekaDevs/>

We are developers and product managers from Heureka Group. Our mission is to build Europe’s largest shopping advisor.

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New Development Events Teams SEO

Hackat-ON! Perfecting a UI Library

Hackat-ON! Perfecting a UI Library

We put our heads together at an internal hackathon at the beginning of the fall and decided to put…
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Open-Source Summit EU 2022 – What have you missed?

Open-Source Summit EU 2022 – What have you missed?

This year, I had the chance to visit the Open-Source Summit EU in Dublin and I decided to write a…
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Case Study Datasentics: Search query understanding use cases

Case Study Datasentics: Search query understanding use cases

Search in eCommerce websites is one of the most important factors determining whether customers…
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It’s our job to refine and extract as much value as we can from what we get from our customers

It’s our job to refine and extract as much value as we can from what we get from our customers

How does machine learning influence e‑commerce and online shopping? Meet Miha Jenko, an experienced…
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Observations from ICLR 2022

Observations from ICLR 2022

The International Conference on Learning Representations is an annual machine learning conference.…
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A Brief Look at Cpython String

A Brief Look at Cpython String

Have you ever noticed that a string with just a few characters in Python uses several dozen bytes…
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<HeurekaDevs People> We Oversee Payments, Accounting, and Invoicing for 55,000 Eshops within Heureka Group

<HeurekaDevs People> We Oversee Payments, Accounting, and Invoicing for 55,000 Eshops within Heureka Group

Jan Herbrich (22) recently became the youngest Product Head of Tribe in Heureka Group. In his…
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8 Tips to Create the Best Remote Workshop

8 Tips to Create the Best Remote Workshop

Every good workshop, especially a remote one, starts a few days before the actual call when you…
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Google Cloud Platform – Costs and Optimizations

Google Cloud Platform – Costs and Optimizations

The Google Cloud Platform (GCP) owned by Google is a suite of cloud computing services that runs on…
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Start with Small Commits… And Watch Your Co-Workers Fall in Love with You!

Start with Small Commits… And Watch Your Co-Workers Fall in Love with You!

Well, yes and no. It depends on who is working on the project. If you are coding alone, everything…
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Dealing with a Google Kubernetes Engine Cluster Outage

Dealing with a Google Kubernetes Engine Cluster Outage

As the infrastructure team at Heureka, we are responsible for providing certain infrastructure…
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On The Implementation of Float and List Types in Python: Part II

On The Implementation of Float and List Types in Python: Part II

In the previous part, we saw how the float structure is implemented; the size of its memory…
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Satan, SEO, and Subdomains – VOL II. – Cancer SEOtherapy

Satan, SEO, and Subdomains – VOL II. – Cancer SEOtherapy

Some of our subdomains work well, but we’re not going to talk about them. This article is about the…
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Satan, SEO, and Subdomains – VOL I. – Crawling Chaos

Satan, SEO, and Subdomains – VOL I. – Crawling Chaos

Using subdomains as a basic structural element isn’t anything new. It’s helped Heureka acquire an…
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Russian Spam, Subdomain Hijack, Tools of Mass Destruction, and SEO for Jekyll

Russian Spam, Subdomain Hijack, Tools of Mass Destruction, and SEO for Jekyll

Regular updates to websites can unfortunately be rather time-consuming, especially when you learn…
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On The Implementation of Float and List Types in Python: Part I

On The Implementation of Float and List Types in Python: Part I

How are float and list data types represented in Python? Why do they take up so much memory? Why…
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Jon Moore: Focus on problem solving, not features

Jon Moore: Focus on problem solving, not features

Heureka Group’s product development stakeholders recently attended an eye-opening workshop…
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Cost Effective Machine Learning with Ray

Cost Effective Machine Learning with Ray

Successful products powered by machine learning are tricky to develop. There is not one set of…
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(Our) Three Biggest Fails in Apache Kafka

(Our) Three Biggest Fails in Apache Kafka

How you learn from your mistakes. Message brokers are a hit that has rocked the world of…
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Aha Moments from the Public Cloud Meetup

Aha Moments from the Public Cloud Meetup

At the end of August, we organized a #HeurekaDevsMeetup covering the public cloud, partially…
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Our learnings from introducing OKRs to our 50 teams

Our learnings from introducing OKRs to our 50 teams

When introducing OKR to all 50 teams in Heureka Group, we kept coming up against various obstacles…
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How to make sure OKR isn’t just a dangerous buzzword but becomes the basis of your corporate culture

How to make sure OKR isn’t just a dangerous buzzword but becomes the basis of your corporate culture

Some firms resemble authoritarian regimes in their people management, in others bureaucracy reigns,…
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<We are social too/>

Interested in our work, technology, team, or anything else?
Contact our CTO Lukáš Putna.

lukas.putna@heureka.cz