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⚡ AI Lessons
Dev.to · speed engineer
⚡ AI Lesson
4d ago
Your Retries Are a Load Multiplier: How a 5-Second Blip Becomes a 40-Minute Outage
The problem A downstream dependency gets slow for five seconds — a GC pause, a leader...
Dev.to · speed engineer
⚡ AI Lesson
5d ago
Your Average Latency Is Lying to You: The Tail at Scale
The problem Here's a service that looks healthy. Median response time is 10ms. The...
Dev.to · speed engineer
⚡ AI Lesson
6d ago
Debugging Is a Search Problem: Bisect Everything
The problem Two engineers get the same bug: a value that's correct when it enters the...
Dev.to · speed engineer
🏗️ Systems Design & Architecture
⚡ AI Lesson
1w ago
Your Struct Layout Is Part of Your Wire Protocol
The problem A message-processing system that comfortably handled 50,000 messages/second...
Dev.to · speed engineer
📋 Product Management
⚡ AI Lesson
2w ago
Your users already built your product — look at their ugly workarounds
When you build software, users will happily tell you what they want. "Make it faster." "Add a...
Dev.to · speed engineer
🧠 Large Language Models
⚡ AI Lesson
2w ago
Your team's best AI prompts are dying in chat threads
The $0 asset your team keeps throwing away Someone on your team just wrote a ChatGPT...
Dev.to · speed engineer
⚡ AI Lesson
4w ago
I Lost 30% of My UDP Packets — and the Network Was Innocent
A receiver pulling a UDP feed was missing roughly 30% of its messages. No errors, no exceptions, no...
Dev.to · speed engineer
📋 Product Management
⚡ AI Lesson
4w ago
We Built Two Products Around the Same Boring Insight: Valuable Work Leaks
The pattern we kept ignoring When you build software for a living, you start noticing the...
Dev.to · speed engineer
📋 Product Management
⚡ AI Lesson
1mo ago
The 6-Minute Tasks That Quietly Cost Freelancers a Full Day of Pay Each Week
Ask a freelancer how many hours they billed last week and you'll get a confident number. Ask how many...
Dev.to · speed engineer
📋 Product Management
⚡ AI Lesson
1mo ago
The 60-Second Time-Tracking Habit That Killed My Friday "Reconstruction Ritual"
The 60-Second Time-Tracking Habit That Killed My Friday "Reconstruction Ritual" For about...
Dev.to · speed engineer
🏗️ Systems Design & Architecture
⚡ AI Lesson
1mo ago
Sunday Notes: The Workflows Your Team Runs But Never Writes Down
Sunday Notes: The Workflows Your Team Runs But Never Writes Down Every team I've talked to...
Dev.to · speed engineer
🚀 Entrepreneurship & Startups
⚡ AI Lesson
1mo ago
I Shipped Two SaaS Products. They Taught Me the Same Founder Lesson Twice.
The pattern I almost missed Last year I shipped two products from two completely different...
Dev.to · speed engineer
🧠 Large Language Models
⚡ AI Lesson
1mo ago
Your Team's Best AI Prompts Are Dying in Slack DMs
Personal prompt docs scale to one person. Past that, teams need shared infrastructure for the prompts that actually work.
Dev.to · speed engineer
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Rust Kernel Modules, Ready-to-Ship: A cargo-generate Template with Tests, CI, and Zero-Panic…
Build production-grade kernel modules in 60 seconds — with tests, GitHub Actions, and compile-time...
Dev.to · speed engineer
📣 Digital Marketing & Growth
⚡ AI Lesson
1mo ago
I Migrated Redis to KeyDB — Same Protocol, 5x Throughput, $0 Rewrite
Our Redis cluster was maxing out at 180k ops/sec across 12 nodes. KeyDB handled 850k ops/sec on 3...
Dev.to · speed engineer
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
I Fired My Entire Node.js Stack — Rust Rebuilt It in 3 Weeks (The Ugly Truth)
Our API was drowning under 50ms P99 latencies. I rewrote everything in Rust expecting miracles. Got...
Dev.to · speed engineer
⚡ AI Lesson
1mo ago
gRPC Performance: tonic (Rust) vs grpc-go Benchmarked at Scale
Production benchmarks reveal the surprising winner in the battle for microsecond-level RPC...
Dev.to · speed engineer
🏗️ Systems Design & Architecture
⚡ AI Lesson
1mo ago
Go Panics, Controlled: Boundaries That Protect Users
Why 47% of Go Production Outages Start with Unhandled Panics — And the Boundary Patterns That Stop...
Dev.to · speed engineer
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Database Connection Pooling: We Benchmarked 7 Strategies So You Don’t Have To
The 312% throughput difference between worst and best — real production data reveals which pooling...
Dev.to · speed engineer
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Go Benchmarks That Actually Mean Something Why Your “40% Faster” Optimization Does Nothing in…
Your JSON unmarshalling drops from 250ns to 150ns. That’s 40% faster! The graphs look amazing, your...
Dev.to · speed engineer
📋 Product Management
⚡ AI Lesson
1mo ago
Shipping two SaaS products taught me one thing: kill features faster
Two years ago I made what felt like a smart decision: instead of betting everything on one product,...
Dev.to · speed engineer
⚡ AI Lesson
2mo ago
Network Programming Battle: io_uring in Rust vs epoll in Go
When raw throughput collides with real-world complexity, the fastest I/O model isn’t always the...
Dev.to · speed engineer
🏗️ Systems Design & Architecture
⚡ AI Lesson
2mo ago
My Load Balancer Handles 5M RPS: Architecture and Lessons Learned
From 50K RPS to 5M RPS: The Hard-Won Insights That Only Come From Scale My Load...
Dev.to · speed engineer
⚡ AI Lesson
2mo ago
Testing At Lightspeed: Deterministic Fakes Over Flaky Mocks
Why Google Rewrote 50,000 Mock-Based Tests and Cut Test Suite Runtime by 67% Testing At...
DeepCamp AI