<HeurekaDevs/>

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

Python 3.9 End of Life

Python 3.9 End of Life

Python 3.9 has reached its end of life few days ago. However, this time around, various tools and…

Beyond the Prompt: Inside Heureka’s AI-Powered Parameter Extraction Service

Beyond the Prompt: Inside Heureka’s AI-Powered Parameter Extraction Service

At Heureka, processing offer feeds of varying quality from thousands of merchants is a complex,…

Gemini Code Assist vs Claude Code: 2025 AI Coding Assistants Compared

Gemini Code Assist vs Claude Code: 2025 AI Coding Assistants Compared

How does Gemini stack up against Claude Code, Anthropic’s AI agent? Here’s a look.

OpenAI’s GPT‑OSS Is Here: Powerful, Local, and Under Your Control

OpenAI’s GPT‑OSS Is Here: Powerful, Local, and Under Your Control

With the release of two GPT‑OSS models on August 5, 2025 – just two days ago – you can now run a…

How to Kill a Monolith Without Killing Yourself – The Strangler Fig Pattern in Practice

How to Kill a Monolith Without Killing Yourself – The Strangler Fig Pattern in Practice

Every developer dreams of building perfect, flexible systems from scratch. But what happens when…

Validating Product Matches with LLMs

Validating Product Matches with LLMs

Each day, we process millions of offers. Our job is to match them to the correct canonical product.…

Cypress vs. Playwright: Which One Reigns Supreme?

Cypress vs. Playwright: Which One Reigns Supreme?

At Heureka, our front-end projects are rigorously tested with both unit and end-to-end (E2E) tests.…

Atlas MongoDB Cluster Recovery Made Easier Thanks To Our Incident Solution

Atlas MongoDB Cluster Recovery Made Easier Thanks To Our Incident Solution

Did you know that Atlas MongoDB now offers a soft deletion option for your clusters? The motivation…

How do we reduce overprovisioning and save 30% on the cloud

How do we reduce overprovisioning and save 30% on the cloud

Our infrastructure must be highly scalable due to fluctuating traffic throughout the day and year,…

Martin Peták for CloudNativePrague: Cloud budget on a leash

Martin Peták for CloudNativePrague: Cloud budget on a leash

We hosted Cloud Native Prague in October. Martin Peták gave a practical presentation on keeping the…

Python 3.8 end of life coming soon

Python 3.8 end of life coming soon

Python 3.8 will/has reached its end of life by the end of this month. Soon, you will be forced to…

Join HeurekaDevs for a chance to win a trip to CRAFT and attend the first-ever #meetup on a train!

Join HeurekaDevs for a chance to win a trip to CRAFT and attend the first-ever #meetup on a train!

Even in tough times for our domain, we have exciting news! HeurekaDevs has teamed up with the…

What Is a Front-end Group, and Why Should You Consider Creating One?

What Is a Front-end Group, and Why Should You Consider Creating One?

At Heureka, our development culture is based around autonomous teams. Each team takes…

FinOps in Heureka Group – part 1

FinOps in Heureka Group – part 1

FinOps is more than just a trendy word for us at Heureka Group. As we continue to rely on GCP…

Event bus for dummies

Event bus for dummies

As a software developer at Heureka Group, I'm offering a brief introduction to software…

Prague GoLang meetup: Dmytro Kasianenko – Discover the Power of Profiling

Prague GoLang meetup: Dmytro Kasianenko – Discover the Power of Profiling

Dima is an experienced software engineer with approximately four years of hands-on experience in Go…

Are We Ready? The Tantalizing Secrets Revealed at the AI Now Conference!

Are We Ready? The Tantalizing Secrets Revealed at the AI Now Conference!

Step into the captivating world of the AI Now conference, a forum where the fascinating complexity…

Our WebExpo Talk: Why We Believe Product and Research Must Be Partners in Crime

Our WebExpo Talk: Why We Believe Product and Research Must Be Partners in Crime

With a million ways to implement UX research within product development, there are three most…

Satan, SEO and Subdomains – VOL VI. – Horsemen of the SEOcalypse

Satan, SEO and Subdomains – VOL VI. – Horsemen of the SEOcalypse

After a few trillion redirects and the deletion of tens of thousands of subdomains, there remains a…

On-Calls in Search Team

On-Calls in Search Team

In recent years, Heureka has evolved technologically – we can mention the international OnePlatform…

Satan, SEO and Subdomains – VOL V. – SEOfirot of the Tree of Life

Satan, SEO and Subdomains – VOL V. – SEOfirot of the Tree of Life

The category tree, which forms the core of the site and flows through it with life-giving sap.

Satan, SEO and Subdomains – VOL IV. – One To Rule MFI

Satan, SEO and Subdomains – VOL IV. – One To Rule MFI

One subdomain. However, absolutely essential for the continued existence of Heureka. Mobile…

Satan, SEO and Subdomains – VOL III – Controlled SEOcide

Satan, SEO and Subdomains – VOL III – Controlled SEOcide

Two years of struggle with brand subdomains. Extreme situations and countermeasures in the mass…

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…

<We are social too/>

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

lukas.putna@heureka.cz