Techreport blog

Engineering Insights & Guides

The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

11,670 articles
Engineering — Are You a Dalia? How We Created Data Science Personas for Spotify’s Analytics Platform

Are You a Dalia? How We Created Data Science Personas for Spotify’s Analytics Platform

On Spotify’s Analytics Platform, we’re dedicated to building products that empower data practitioners to discover, analyze, and share insights — think notebooks, dashboards, and metrics. To create solutions that connect with our users, it’s critical for us to first understand who our users are. However, the evolving landscape of data roles presents a challenge.

SESpotify Engineering·September 1, 2024Engineering
Design & UX — Engineering with Empathy: My Journey to Understanding the User Experience

Engineering with Empathy: My Journey to Understanding the User Experience

“What are your goals for this quarter?” It’s the question every manager asks, and one that often prompts a flurry of technical objectives and project milestones. Jumping into this internship, I knew my answer. I wanted to practice making informed decisions on my project, since that was one of the challenges I faced last summer.…

KLKaili Liang·August 30, 2024Design & UX
Frontend — The “Other” C in CSS

The “Other” C in CSS

I think it's worth listening to anything Sara Soueidan has to say. That's especially true if she's speaking at an event for the first time in four years,

GGGeoff GrahamGeoff Graham·August 28, 2024Frontend
Engineering — Introducing <skelly-wc>

Introducing <skelly-wc>

I created a little library at work to make those “skeleton screens” that I’m not sure anyone likes. We named it skellyCSS because… skeletons and

GGGeoff GrahamGeoff Graham·August 28, 2024Engineering
Engineering — Useful Tools for Creating AVIF Images

Useful Tools for Creating AVIF Images

AVIF (AV1 Image File Format) is a modern image file format specification for storing images that offer a much more significant file reduction when compared to

SFSunkanmi FafoworaSunkanmi Fafowora·August 28, 2024Engineering
Career & Teams — Meta is getting ready for post-quantum cryptography

Meta is getting ready for post-quantum cryptography

The Quantum Apocalypse is coming. The advent of quantum computers has raised real questions about the future of data privacy over the internet. Someday, advances in quantum computing will make it possible to decrypt sensitive data that was encrypted using today’s complex cryptography systems. In the latest episode of the Meta Tech Podcast you’ll meet Sheran […]

CWChris Wiltz·August 28, 2024Career & Teams
Security — How Meta enforces purpose limitation via Privacy Aware Infrastructure at scale

How Meta enforces purpose limitation via Privacy Aware Infrastructure at scale

At Meta, we’ve been diligently working to incorporate privacy into different systems of our software stack over the past few years. Today, we’re excited to share some cutting-edge technologies that are part of our Privacy Aware Infrastructure (PAI) initiative. These innovations mark a major milestone in our ongoing commitment to honoring user privacy. PAI offers […]

CWChris Wiltz·August 27, 2024Security
SRE & Ops — RETINAS: Real-Time Infrastructure Accounting for Sustainability

RETINAS: Real-Time Infrastructure Accounting for Sustainability

We are introducing a new metric— real-time server fleet utilization effectiveness —as part of the RETINAS initiative to help reduce emissions and achieve net zero emissions across our value chain in 2030. This new metric allows us to measure server resource usage (e.g., compute, storage) and efficiency in our large-scale data center server fleet in […]

CWChris Wiltz·August 26, 2024SRE & Ops
Frontend — Generating Unique Random Numbers In JavaScript Using Sets — Smashing Magazine

Generating Unique Random Numbers In JavaScript Using Sets — Smashing Magazine

Want to create more randomized effects in your JavaScript code? The `Math.random()` method alone, with its limitations, won’t cut it for generating unique random numbers. Amejimaobari Ollornwi explains how to generate a series of unique random numbers using the `Set` object, how to use these random numbers as indexes for arrays, and explores some practical applications of randomization.

AOAmejimaobari OllornwiAmejimaobari Ollornwi·August 26, 2024Frontend
AI & ML — How PyTorch powers AI training and inference

How PyTorch powers AI training and inference

Learn about new PyTorch advancements for LLMs and how PyTorch is enhancing every aspect of the LLM lifecycle. In this talk from AI Infra @ Scale 2024, software engineers Wanchao Liang and Evan Smothers are joined by Meta research scientist Kimish Patel to discuss our newest features and tools that enable large-scale training, memory efficient […]

CWChris Wiltz·August 23, 2024AI & ML