Blog

Explore is one of the largest recommendation systems on Instagram. We leverage machine learning to make sure people are always seeing content that is the most interesting and relevant to them. Using more advanced machine learning models, like Two Towers neural networks, we’ve been able to make the Explore recommendation system even more scalable and… Continue reading Scaling the Instagram Explore recommendations system

Meta is developing new privacy-enhancing technologies (PETs) to innovate and solve problems with less data. These technologies enable teams to build and launch privacy-enhanced products in a way that’s verifiable and safeguards user data. Using state-of-the-art cryptographic techniques, we have developed Private Data Lookup (PDL) that allows users to privately query a server-side data set.… Continue reading How Meta is improving password security and preserving privacy

By Sommer Panage and Scott Nyberg. In our “Engineering Energizers” Q&A series, we examine the professional life experiences that have shaped Salesforce Engineering leaders. Meet Sommer Panage, a Senior Manager of Software Engineering for Slack at Salesforce, where she focuses on accessibility initiatives. Sommer and her team maximize the accessibility for Slack on mobile and… Continue reading What is Slack’s Secret for Enhancing Accessibility to Empower People with Disabilities?

By Sommer Panage and Scott Nyberg. In our “Engineering Energizers” Q&A series, we examine the professional life experiences that have shaped Salesforce Engineering leaders. Meet Sommer Panage, a Senior Manager of Software Engineering for Slack at Salesforce, where she focuses on accessibility initiatives. Sommer and her team maximize the accessibility for Slack on mobile and… Continue reading What is Slack’s Secret for Enhancing Accessibility to Empower People with Disabilities?

Fixit is dead! Long live Fixit 2 – the latest version of our open-source auto-fixing linter. Fixit 2 allows developers to efficiently build custom lint rules and perform auto-fixes for their codebases. Fixit 2 is available today on PyPI. Python is one of the most popular languages in use at Meta. Meta’s production engineers (PEs)… Continue reading Fixit 2: Meta’s next-generation auto-fixing linter

Short-lived certificates (SLCs) are part of our latest efforts to further secure our Transport Layer Security (TLS) private keys on our edge networks. SLCs have a very short exposure compared to traditional certificates and lower the chances of a compromised private key being abused. Implementing SLCs has required us to address tradeoffs between operability and… Continue reading Using short-lived certificates to protect TLS secrets

By Genevieve Cuevas and Scott Nyberg In our “Engineering Energizers” Q&A series, we examine the professional life experiences that have shaped Salesforce Engineering leaders. Meet Genevieve Cuevas, a Senior Director of Mobile Software Engineering for Slack at Salesforce. In her role, Genevieve leads Slack’s Virtual HQ team, where she innovates dynamic new features for Slack.… Continue reading Iterating Towards Perfection: Designing Slack Huddles’ New Video Experience