LLM Evals Are Not a Replacement for A/B Tests — Theyre the Funnel Before It
2026-07-03
How Spotify combines LLM evals with online experiments to raise hit rates, calibrate judges, and build a smarter evaluation pipeline.
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51 posts in this category
Building a Production-Grade Multistage Multimodal Recommender System on Amazon EKS
2026-07-01
A deep dive into a real-world recommender system architecture combining Two-Tower retrieval, DLRM ranking, Bloom filters, in-memory caching, and MLOps pipelines on Kubernetes. Practical patterns for scaling and cold-start handling included.
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Defense Against Frontier AI Models Cloudflares Architecture for the New Threat Landscape
2026-06-30
How Cloudflare rethinks defense-in-depth when AI can find exploits, adapt payloads, and scale attacks faster than humans. A practical architecture walkthrough for security teams facing frontier models.
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How Netflix Scales Camera File Processing with a Cloud-Native Media Production Suite
2026-06-29
Netflixs Media Production Suite (MPS) automates image processing and metadata handling at hyperscale. This article reveals how the team integrated FilmLights FLAPI into their cloud infrastructure to deliver consistent, auditable workflows for thousands of productions worldwide.
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Azure NetApp Files Breaks Cloud EDA Storage Barriers SPECstorage Benchmark Validates Massive Concurrency
2026-06-26
Azure NetApp Files delivers 17,280 concurrent EDA jobs at 0.60ms latency, proving cloud storage can match—and surpass—on-premises for semiconductor design. Learn the architecture, benchmark results, and production insights from AMD and ASML.
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How the Community Trained Gemma to Think A Full Reasoning Recipe Using Tunix and TPUs
2026-06-25
Over 11,000 Kagglers turned non-reasoning Gemma models into structured Chain-of-Thought engines in 9 hours. This post breaks down the winning techniques — SFT, SimPO, GRPO, and custom reward systems — so you can replicate them.
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How Metas Unified AI Agent Platform Automates Performance Optimization at Hyperscale
2026-06-19
Metas Capacity Efficiency Program uses a unified AI agent platform with composable skills to automate both defensive regression detection and offensive opportunity resolution, recovering hundreds of megawatts of power.
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Beyond Surveys The Four Levels of Customer Understanding Every Developer Needs
2026-06-17
Stop guessing what users want. Learn how to triangulate across what they say, think, do, and why — with practical observation techniques and real-world examples.
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How to Lie with Statistics — With Your Robot Best Friend
2026-06-16
A deep dive into how AI agents like Claude and Codex can be subtly prompted to automate p-hacking, why observational studies are especially vulnerable, and what researchers must do to guard against AI-enabled scientific fraud.
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How Airbnb Built a Reliable Dynamic Config Sidecar at Scale
2026-06-08
A deep dive into Airbnbs Sitar-agent a Kubernetes sidecar that delivers dynamic configuration to thousands of pods. We break down the architecture, key design decisions (pull vs push, SQLite vs RocksDB, sidecar vs library), and the migration strategy that kept production safe.
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TRL v1.0 The Post-Training Library That Learned to Love Chaos
2026-05-29
Hugging Faces TRL v1.0 is not just another release — its a design manifesto for building stable software in a domain (LLM post-training) where the ground keeps shifting. This deep dive explores the evolutionary architecture, the deliberate rejection of over-abstraction, and the roadmap for async GRPO and agent-legible training signals.
Read Article →How Netflix Cut 7.5% CPU to 1% Using JDKs Vector API for Recommendation Scoring
2026-05-23
Netflixs Ranker service was burning 7.5% CPU on a single video serendipity scoring feature. By batching, flattening memory layout, and swapping the compute kernel for the JDK Vector API, they reduced it to ~1% and cut cluster footprint by 10%.
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Cloud Modernization in Regulated Industries Healthcare, Finance, and Manufacturing Lessons from the Field
2026-05-18
A deep dive into how agentic AI and cloud platforms are transforming healthcare, financial services, and manufacturing. Real customer case studies, migration strategies, and compliance insights from Microsoft Azure and AWS deployments.
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What PEP 811 Means for Python Security A New Era of Transparency and Contribution
2026-05-16
The Python Security Response Team (PSRT) now has a formal governance document (PEP 811). This opens the door for new members, clearer responsibilities, and a more sustainable security process for the entire Python ecosystem.
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Friend Bubbles at Meta The Hidden Engineering Behind a Simple Social Feature
2026-05-15
How Metas Reels team built a real-time friend interaction feature at billion-user scale, and the surprising ML discovery that made it work.
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How We Trained a Text-to-Image Model in 24 Hours (Full Recipe)
2026-05-14
A deep dive into the techniques that made it possible pixel-space training, TREAD token routing, REPA representation alignment, and Muon optimizer.
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AGENTS.md Injection The New Supply Chain Risk in AI-Assisted Development
2026-05-13
How a compromised dependency can hijack GitHub Copilot and Codex through project config files. A deep dive into the NVIDIA Red Teams findings and practical mitigation strategies.
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AI Integration Is Not Optional Why Your Enterprise Needs Agentic Workflows Now
2026-05-10
Explore how enterprise integration is evolving from static connectivity to intelligent, governed AI orchestration — and why agentic workflows are the next frontier.
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The Web Platform Is Evolving Faster Than Ever 7 Critical CSS & Browser Features You Need to Know in 2025
2026-05-08
From preserving video state across pages with View Transitions to the imminent arrival of CSS Masonry, this is a deep dive into the most impactful browser features and developer techniques shaping the modern web.
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Modal vs. Separate Page The Ultimate UX Decision Tree
2026-05-04
A practical, code-free guide to choosing between modals and separate pages. Learn when to interrupt users and when to navigate them away, with a proven 4-step decision tree.
Read Article →How Spotify Honk Automated 240 Dataset Migrations in 6 Months A Case Study
2026-04-28
Learn how Spotify used its background coding agent Honk with Backstage and Fleet Management to migrate 1,800 downstream data pipelines, saving 10 engineering weeks. Key lessons on context engineering, standardization, and testing for autonomous code agents.
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From Oracle to PostgreSQL on Azure A Practical Enterprise Migration Blueprint
2026-04-26
Discover how to migrate from Oracle to PostgreSQL on Azure with AI-assisted tooling, real-world case studies, and performance benchmarks. A step-by-step guide for enterprise architects and engineering leaders.
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Stop Wasting GPU Cycles Why Code Agents Beat Tool-Calling for In-Game AI
2026-04-25
Large language model agents in games often fight for GPU time with rendering. This deep dive explains why code agents—generating and running Lua scripts—drastically reduce inference calls compared to traditional tool-calling, and how to secure them.
Read Article →How Meta Scaled FFmpeg to Process Billions of Videos Daily
2026-04-23
An inside look at Metas journey from maintaining a costly internal FFmpeg fork to upstreaming key features like threaded multi-lane encoding and real-time quality metrics, benefiting the entire open-source ecosystem.
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How Messengers Advanced Browsing Protection Checks URLs Without Compromising Privacy
2026-04-21
A deep dive into the cryptographic and systems engineering behind Messengers feature that warns you about malicious links in encrypted chats, without revealing what links you click.
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Beyond the Hype A Strategic Blueprint for Maximizing AI ROI and Managing Costs
2026-04-15
A deep dive into connecting AI cost management to tangible business value, moving from reactive spending to strategic, outcome-driven investment.
Read Article →Agent-Generated Code A Framework for Shipping Safely at Scale
2026-04-14
Moving beyond green CI checks A practical framework for building judgment and guardrails when using AI coding agents to prevent production incidents.
Read Article →Controlling Floating-Point Determinism in CUDA A Deep Dive into CUBs New API
2026-04-12
Explore how NVIDIAs CUB library (via CCCL 3.1) provides explicit control over determinism levels for parallel reductions, balancing performance with reproducibility in scientific computing.
Read Article →Beyond the Hype A Real-World Blueprint for Enterprise-Grade Kubernetes on AWS
2026-04-10
How a major insurer transformed its container operations using Amazon EKS Auto Mode, integrating security, cost optimization, and observability within the AWS Well-Architected Framework.
Read Article →Beyond the Model How Pantone Built an AI-Ready Data Foundation for Agentic Creativity
2026-04-08
A deep dive into Pantones agentic AI architecture, revealing why a scalable, real-time database like Azure Cosmos DB is critical for moving from static AI to dynamic, context-aware experiences.
Read Article →From Monolith to Millisecond Latency The Event-Driven Blueprint Behind Amazon Key
2026-04-07
How Amazon Key transformed a fragile monolith into a resilient system processing 2000 events/sec with 99.99% reliability, using EventBridge, a custom schema repository, and client libraries.
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How Santander Slashed Infrastructure Provisioning from 90 Days to Hours A Platform Engineering Deep Dive
2026-03-26
An in-depth look at Santanders Catalyst platform, built on AWS, which transformed cloud operations by standardizing architecture, enforcing compliance, and enabling self-service for developers.
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Designing for Digital Sovereignty A Practical Guide to AWS Cross-Partition Failover
2026-03-25
Learn how to architect resilient applications that can failover between isolated AWS partitions like the European Sovereign Cloud to meet evolving regulatory and geopolitical requirements.
Read Article →How Meta Deprecated Its Internal FFmpeg Fork A Deep Dive into Open Source Collaboration at Scale
2026-03-23
Metas journey from maintaining a costly internal FFmpeg fork to fully upstreaming key features like multi-lane encoding and real-time quality metrics, enabling processing of billions of videos daily.
Read Article →How Messengers Advanced Browsing Protection Works Without Compromising Privacy
2026-03-22
A deep dive into the cryptographic and systems engineering behind Facebooks privacy-preserving malicious link detection in end-to-end encrypted chats.
Read Article →Beyond the Hype A Responsible Developers Guide to AI Coding Tools
2026-03-21
Moving past initial skepticism, learn how to strategically integrate AI assistants like Copilot and ChatGPT into your workflow to boost productivity while maintaining code quality and security.
Read Article →From Persuasive Tricks to Behavioral Strategy A Decade of Evolution in Product Psychology
2026-03-20
How behavioral design matured from superficial gamification to a strategic framework like COM-B, focusing on capability, opportunity, and motivation for ethical user outcomes.
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Context Engineering for Background Coding Agents A Deep Dive from Spotifys Trenches
2026-03-19
How Spotify engineers reliable, mergeable pull requests at scale by mastering prompt design and tooling for autonomous coding agents.
Read Article →Redesigning the Internets Most-Seen UI A Deep Dive into Cloudflares Turnstile
2026-03-18
How Cloudflare redesigned its Turnstile and Challenge Pages—served 7.67B times daily—for better clarity, accessibility, and user experience without compromising security.
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Building Fine-Grained API Authorization A Deep Dive with Amazon Verified Permissions
2026-03-18
Learn how Convera implemented a scalable, attribute-based authorization model for their financial platform using Amazon Verified Permissions and the Cedar policy language.
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From Spinnaker to Temporal How Netflix Reduced Cloud Deployment Failures from 4% to 0.0001%
2026-03-18
A deep dive into Netflixs architectural migration from Spinnakers complex orchestration to Temporals Durable Execution platform, resulting in a dramatic increase in deployment reliability.
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How Netflix Optimized Its Recommendation System Using the JDK Vector API
2026-03-11
A deep dive into the practical optimization journey at Netflix, from algorithmic batching and memory layout to leveraging SIMD with pure Java.
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Beyond Libraries How the Native Popover API Changes the Game for Tooltips
2026-03-05
An in-depth look at moving from JavaScript-heavy tooltip libraries to the browsers built-in Popover API for more robust, accessible, and maintainable UI components.
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Inside Spotifys Release Engine Dashboard Design & Automation Insights
2026-03-04
From Jira chaos to a unified dashboard and an automated release conductor. A deep dive into how Spotify manages large-scale app releases.
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Deconstructing Complexity A Multi-Agent Architecture for Intelligent Advertising
2026-02-24
An in-depth look at how a collaborative system of specialized AI agents, rather than a single monolithic model, can solve complex business workflows like media planning.
Read Article →Securing AI Coding Agents A Practical Guide to Sandboxing and Execution Risk Management
2026-02-17
Learn essential OS-level sandboxing strategies and security controls to mitigate the risks introduced by AI-powered coding agents, based on NVIDIA AI Red Teams guidance.
Read Article →Why Personalization and Experimentation Need Separate Tech Stacks
2026-02-10
A deep dive into the technical and practical reasons for separating ML-based personalization systems from experimentation platforms, based on Spotifys architecture.
Read Article →Beyond Fluency Evaluating AI-Generated Customer Journeys with Structural CDP Metrics
2026-02-01
A deep dive into the CDP (Continuity, Deepening, Progression) framework for deterministically assessing the structural quality of multi-step customer journeys created by LLMs.
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Beyond Pixel Perfect Rethinking Excellence in Modern Web Development
2026-01-31
A deep dive into why the Pixel Perfect mindset is harmful for todays web and how to shift focus towards implementing Design Intent for robust, accessible interfaces.
Read Article →Engineering Predictable AI Coding Agents The Power of Strong Feedback Loops
2026-01-24
A deep dive into Spotifys architecture for reliable, large-scale code transformations using AI agents, focusing on verification loops and design for predictability.
Read Article →Beyond the Framework Hype Key Takeaways from a 2025 Dev Summit
2026-01-22
A raw, reflective account from Web Directions Dev Summit 2025, challenging our reliance on frameworks, rethinking accessibility, and pondering the developers role in the AI era.
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