Engineering
Encrypting Wire/Proto Messages
How we started encrypting proto messages being transmitted between services and in our Kafka event bus
~/
$ cat welcome.txt
Block Engineering Blog
Every engineering problem tells a story. Here, we share the breakthroughs, lessons, and experiments that shape how we think, how we build, and how we expand access to the global economy.
$ ls -l ~/posts
Engineering
Building the Data Foundation for Automated Analytics
How data mesh, a governed semantic layer, and two purpose-built MCP servers deliver 100% metric accuracy and exploratory flexibility
Engineering
18Mb of HashMap overhead
Story of a 12x memory reduction in our design token system
Engineering
Proof, Not Promises: Evaluating Code Scanner Efficacy
A harness for measuring SAST scanner efficacy against ground truth you control.
Engineering
Metro Migration at Square Android
Migrating the Square Android monorepo from Dagger 2 and Anvil to Metro
Engineering
From Base Web to Fluent UI Without a Flag Day
How we turned a risky UI rewrite into a validated, agent-driven migration program.
Engineering
Protecting Our Systems with Intelligence
How we're using agentic reviewers as guardians to maintain system resilience
Engineering
From Polyrepo Fragmentation to Monorepo Leverage
Migrating 450 Cash App backend repositories into a single scalable monorepo
Engineering
Actionable CI
Turning CI failures into clear actionable feedback
Engineering
3 Principles for Designing Agent Skills
How Block Engineering codified tribal knowledge for AI
$ls -l ~/posts | wc -l
Showing 1-10 of 36 posts
$