slys.dev

Jakub Slys

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TECHNOLOGY

We aim to demystify technology and make it accessible to anyone of all ages and backgrounds. iam.slys.dev

03/14/2025

Personalized recommendations in Zalando's newsletters

Ever imagined receiving emails that feel uniquely tailored just for you? 💌 Zalando Engineering team walks us through their journey of creating personalized newsletter emails using AWS. They provide insights how they harnessed AWS services—like Lambda, S3, and SES—to dynamically generate and distribute custom content at scale. It’s a fascinating look into building a system that adapts to individual user preferences, ensuring that each newsletter hits the mark. slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Curious to see how cloud technology can transform email marketing? 🚀 Listen to discover the architecture, techniques, and best practices that made personalized newsletters a reality at Zalando! Get full access to slys.dev at iam.slys.dev/subscribe

9 min
01/27/2025

AI Agents: Agentic Design Patterns

Ever wish your chatbot could double-check its own answers or plan out a complicated task before diving in? That’s where Agentic Design Patterns come in! They’re a set of clever strategies that make AI more reliable and capable by adding features like: * Reflection – A built-in ‘review phase’ where AI spots mistakes and polishes its answers. * Tool Use – The power to call external APIs or databases, so it’s always up-to-date and accurate. * Planning – Step-by-step thinking, helping AI tackle multi-stage tasks without getting lost. * Multi-Agent Collaboration – Multiple AIs working together, each with its own specialty, to deliver better (and faster) results. slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Whether you’re an AI newbie or just tired of chatbots spouting random trivia, agentic design patterns can transform simple software into a sharper, more helpful AI sidekick! Get full access to slys.dev at iam.slys.dev/subscribe

27 min
12/20/2024

LinkedIn’s journey of scaling to the exabyte

Ever wondered how a platform like LinkedIn handles the sheer scale of its data - enough to fill over a billion USB drives? Behind the scenes, they’ve been pushing Hadoop’s limits, managing an exabyte of data while tackling challenges like keeping things fast, secure, and endlessly scalable. From clever tweaks to Java heap management to building tools like Wormhole for lightning-fast data transfers, their journey offers a fascinating look into the art (and science) of mastering Big Data. Curious to dive deeper? Let’s unravel the story! slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Get full access to slys.dev at iam.slys.dev/subscribe

15 min
12/05/2024

Moving Twitter's exabyte of data to Google Cloud

Ever wondered how Twitter manages the vast ocean of data generated daily by millions of users? What challenges arise when migrating over an exabyte of data to the cloud, and how can such a colossal task be executed seamlessly? We delve into Twitter's ambitious journey of transitioning its massive data infrastructure to Google Cloud. Discover the innovative strategies employed, the obstacles overcome, and the transformative impact on data accessibility and analytics. Whether you're a tech enthusiast or a data professional, this discussion offers invaluable insights into the future of large-scale data management. slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Get full access to slys.dev at iam.slys.dev/subscribe

15 min
11/21/2024

How Uber manages a million writes per second

Curious about how Uber powers a global platform that processes millions of data points every second? We dive deep into the technology that makes it possible: from Apache Mesos’ dynamic resource management to Cassandra’s high-speed data storage and Kafka’s real-time data streaming. Discover how Uber’s architecture handles massive demand with low latency and high resilience, and what it takes to keep this system running smoothly across multiple data centers worldwide. Tune in to explore the fascinating, behind-the-scenes tech that drives one of the world’s largest and most innovative real-time platforms! slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Get full access to slys.dev at iam.slys.dev/subscribe

11 min
11/07/2024

Simulated Spotify Listening Experiences with TensorFlow

Discover how Spotify is revolutionizing music recommendations through reinforcement learning. We delve into their innovative use of TensorFlow and TF-Agents to simulate user listening experiences, enabling the development of advanced recommendation systems without direct user interaction. Learn about the creation of the Action-Head DQN, a custom deep Q-network designed to navigate the complexities of vast state and action spaces in music selection. This approach is an intersection of machine learning and music personalization, highlighting the future of AI-driven user experiences. slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Get full access to slys.dev at iam.slys.dev/subscribe

14 min
10/25/2024

Design patterns - again

Ever wondered how some software designs seem effortlessly elegant, like a puzzle where every piece fits perfectly? That’s the magic of design patterns—tried-and-true solutions to common problems that developers face, hidden in plain sight across all well-structured systems. They’re like secret recipes that make code adaptable, maintainable, and powerful, allowing developers to solve tricky problems with a touch of ingenuity. But these patterns are more than just shortcuts; they’re the craft behind seamless user experiences, the unseen architecture that makes software feel intuitive and robust. Curious how these patterns can transform the way you think about code? slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Get full access to slys.dev at iam.slys.dev/subscribe

17 min
10/03/2024

What are data-intensive applications?

slys.dev is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Designing data-intensive applications is about crafting systems that can effortlessly handle massive amounts of information while staying fast, reliable, and scalable. It’s a balancing act between choosing the right data models, understanding distributed systems, and optimizing performance. The real challenge lies in creating solutions that can grow with your data, adapt to failures, and remain easy to maintain. Want to build applications that can power through the demands of modern data? That’s where the true art of design comes in. Get full access to slys.dev at iam.slys.dev/subscribe

18 min
09/19/2024

Intro into Software Architecture

Software architecture goes far beyond picking a framework or database—it's about shaping the very foundation of a system. How should the pieces fit together? How will the components talk to each other? A well-crafted architecture can unlock seamless development, effortless deployment, and streamlined maintenance. But get it wrong, and you could face a cascade of problems: sluggish performance, costly upgrades, and endless headaches when trying to introduce new features. What makes the difference between success and chaos? Get full access to slys.dev at iam.slys.dev/subscribe

12 min

9 Episodes

We aim to demystify technology and make it accessible to anyone of all ages and backgrounds. iam.slys.dev

Creator

Jakub Slys
Years Active

2024 - 2025
Episodes

9
Rating

Clean
Copyright

© Anna & Jakub Slys
Show Website

slys.dev