Top all-time · #4098
eng-blog
Company blog · eng.snap.comprogrammingsystemsai
eng-blog is the company blog at eng.snap.com, writing about programming, systems and ai. Since 2020, 19 different Hacker News readers have linked it 23 times, most often “Microservices at Snapchat”. It is still writing: the last post was on 2026-10-30, and you can follow it by feed.
Too few sampled comments (4) to say how often HN recommends it.?
Why HN links it
HN readers link Snap's engineering blog for details of its infrastructure: its monolith-to-multicloud microservices move, use of Envoy as an API gateway, QUIC, and an agent-format write-up.
Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Welcome to our Snap Engineering Blog
Most-linked posts?
- Microservices at Snapchat3 people · 3 mentions · first linked 2021-07-19
- From Monolith to Multicloud Micro-Services: Inside Snap’s Service Mesh3 people · 3 mentions · first linked 2020-03-05
- Rewriting the Snapchat Android App2 people · 2 mentions · first linked 2020-05-08
What Hacker News says?
These are the best additional bits of information that I can find to share with you if you're curious to read more about Snap and what they did. (They were spending $400m per year on GCP which was famously disclosed in their S-1 when they IPO'd) 0: https://chrpopov.medium.com/scaling-cloud-infrastructure-5c6... 1: https://eng.snap.com/monolith-to-multicloud-microservices-sn...
Comment linking /monolith-to-multicloud-microservices-snap-service-mesh
on “AWS multiple services outage in us-east-1”Submitted QUIC at Snapchat as a story · 155 points
HN discussionSeems they use Envoy as the API Gateway https://eng.snap.com/monolith-to-multicloud-microservices-sn...
Comment linking /monolith-to-multicloud-microservices-snap-service-mesh/
on “QUIC at Snapchat”Submitted From Monolith to Multicloud Micro-Services: Inside Snap’s Service Mesh as a story · 21 points
HN discussionI think this is an unhelpful comparison. Simply put, when users exchange messages on WhatsApp it causes minimal traffic to a WhatsApp data enter as it’s mostly p2p. No ads, no persistence. Snapchat requires semi persistence for stories (viewable for 24hr) and millions of users can view a single story. When a celebrity posts a story and 5mil users view it that requires more engineering effort that p2p what’s app mess…
Comment linking /en-US/machine-learning-snap-ad-ranking
on “Snap Earning Results Q3 2022 [pdf]”Submitted Microservices at Snapchat as a story · 7 points
HN discussionInteresting approach — treating agent definitions the way Kubernetes treats infrastructure. The core idea is that your agent's identity, tools, constraints, and execution strategy all live in a single .agf.yaml file, and any runtime (LangChain, ADK, whatever) can execute it via adapters. The engineering blog goes deeper into the motivation: https://eng.snap.com/agent-format A few things that stood out to me: The sch…
Comment linking /agent-format
on “Agent Format: A Declarative Standard for AI Agents (Agentformat.org)”Submitted Code Search: How Agents Search Across Snap's Codebase as a story · 3 points
HN discussionSubmitted Introducing Bento, Snap's ML Platform as a story · 3 points
HN discussionSubmitted Build a Reliable System in a Microservices World at Snap as a story · 3 points
HN discussionSubmitted Rewriting the Snapchat Android App as a story · 3 points
HN discussionSubmitted From Monolith to Multicloud Microservices: Inside Snap’s Service Mesh as a story · 3 points
HN discussionSubmitted Training Large-Scale Recommendation Models with TPUs as a story · 2 points
HN discussionSubmitted Snap Developer Ecosystem as a story · 2 points
HN discussionSubmitted Don't Rewrite Your App, Unless You Have To as a story · 2 points
HN discussionSubmitted Agentic ML Experimentation at Snap as a story · 1 points
HN discussionSubmitted CodePal: Snap Built an AI Code Reviewer for the Age of AI-Written Code as a story · 1 points
HN discussionSubmitted Migrating Snapchat's AB Pipelines to GPU-Accelerated Spark as a story · 1 points
HN discussionSubmitted Modernizing the PlayCanvas Back End Infrastructure as a story · 1 points
HN discussionSubmitted Build a Reliable System in a Microservices World at Snap as a story · 1 points
HN discussionSubmitted Privacy at Snap as a story · 1 points
HN discussionSubmitted Snap Engineering as a story · 1 points
HN discussionSubmitted Shipping Two Apps in One on Android as a story · 1 points
HN discussion
