Tricky Interview Questions, Top AI-Aided QA Approaches, and Astonishing Data Stats. SBC#6

Prepare for your next job interview with expert advice from our HR team. See how AI is transforming QA. And discover just how much processed data exists today — all in this edition of Stories Behind the Code!

❓Tricky Interview Questions — and How to Nail Them

Job interviews aren't about having perfect answers — they're about preparation. Stanislav Kalatsky, Head of People Analytics and HRD in Dnipro, shares nine tricky interview questions that often catch candidates off guard — and how to handle them with confidence. 

Practice answering these questions out loud. Tailor your responses to the role. And remember — you've got this.

⌚ 5 min read

🤓 90% cheaper. Top 8 AI-Aided Approaches to QA  

AI is changing the game in Quality Assurance. Our QA experts explored how AI is reshaping QA processes and unlocking new value for clients: 

• 4x faster test case creation 
• 70% less manual testing effort 
• Up to 90% cost savings in UI automation 

Smarter QA. Faster delivery. Better outcomes.

⌚ 6 min read

ℹ️ IT History: How Much Data Exists Today?  

 Thanks to Statista and IDC, which publish some truly staggering stats, we know this: 

• In 2024, the total volume of global data was estimated at 149 zettabytes  (1 zettabyte = 1 trillion gigabytes) 
• 90% of that data was created in just the past two years 
• By the end of 2025, the global datasphere is projected to reach 175 zettabytes 
• If all that data were stored on DVDs and lined up, the stack would circle the Earth 222 times 

Read more stories and find more artefacts in our IT History Museum!

DataArt has over 140 vacancies across 36 locations worldwide! Whether you're passionate about technology, design, or management, we have a role that's perfect for you. Explore opportunities in a global company where innovation, collaboration, and professional growth thrive.

🦆 Life at DataArt

The DataArt Warsaw team has settled into a brand-new office space, functional, comfortable, and designed for collaboration. The move was a perfect occasion to celebrate, filled with great conversations, laughter, and a warm, friendly atmosphere. After all, a strong community is the foundation of everything we do.

We've been active in the Polish capital for over two years now, and with a team of more than 100 people, we can proudly say: Warsaw truly feels like home. Check out the highlights from our celebration on our Instagram!

✨ DataArt Turns 28 ✨

For 28 years, we’ve grown through trust, care, and collaboration. At DataArt, being your partner in progress means creating technology with purpose and building a workplace where people feel seen and supported. This journey belongs to everyone who’s been part of it — our clients, our teams, our friends around the world. Every project, every challenge, every step forward has shaped who we are. We don’t just build software. We build long-term relationships that make us better, together.

Subscribe to our Instagram for celebration footage across the world.

🤝 Let's Talk Business!

Got a business mindset? Subscribe to DataArt Dispatch. Get the latest tech trends and meet the people behind the innovation.

Thanks for reading! We’re happy to have you with us. See you next month with more updates and stories. Take care!

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