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Articles 169,183Blog Posts 161,024Tech Tutorials 44,947Research Papers 32,800News 21,552
⚡ AI Lessons
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2w ago
I Used a Global Dictionary to Cache API Responses. It Caused a Massive Race Condition.
At 2:14 PM on a Tuesday, a support ticket popped up in my dashboard. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3w ago
I Forgot to Set a Timeout on My HTTP Client. One Slow API Crashed My Entire FastAPI App.
A production war story about async illusions, connection pool exhaustion, and the three rules I now use to bulletproof every HTTP request. Continue reading on M
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3w ago
Integrating LDAP with PostgreSQL: Automating User Provisioning at Scale
A follow-up to A Production-Ready RBAC Model for PostgreSQL Access Management Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
4w ago
Stop Returning Generic 500 Errors: How I Standardized API Error Responses in FastAPI
You know that sinking feeling when you open the browser’s Network tab, click on a failed API request, and see nothing but a generic 500… Continue reading on Med
Medium · Machine Learning
🔧 Backend Engineering
1mo ago
Build Your Own ChatGPT with Python
Build a full-stack AI chatbot with Python FastAPI backend, React frontend, streaming responses, conversation memory, and RAG — in under… Continue reading on Med
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
I Thought FastAPI Background Tasks Were “Fire and Forget.” Then Production Crashed.
FastAPI BackgroundTasks aren’t as simple as they look. Here’s the real story of how I crashed my API, fixed it, and built a bulletproof… Continue reading on Med
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
HTTP Just Got Its First New Method in 20 Years — Here’s How to Use It in FastAPI Today
Stop abusing POST for search. The QUERY method is here, and it changes everything. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
How to Learn Any Tech Skill Fast — My Exact System
I learned AWS, Python, FastAPI, and Node.js with no job, no mentor, and no money. Here’s exactly how. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
AI Gateway vs API Gateway: What’s the Difference?
An API gateway manages traffic between clients and your microservices — routing, auth, and rate limiting for predictable REST or gRPC… Continue reading on Mediu
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
My FastAPI Webhook Didn’t Verify Signatures — Someone Sent 12,000 Fake Payments and Drained My…
I woke up to an email from Stripe that made my stomach drop. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
I Added a Rust Security Layer to My FastAPI App (Not for Speed) — Here’s the Pentest Result
My customer asked for a SOC 2 pentest. I thought we were ready. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
How to Make Money as a Developer
I had a realization about two years into freelancing that shifted how I thought about my career. I was looking at my income for the… Continue reading on Medium
Medium · Machine Learning
🔧 Backend Engineering
2mo ago
REST vs GraphQL vs gRPC vs MCP vs A2A: The 5 Protocols Your AI Stack Actually Speaks
Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
FastAPI Authentication 2026: Auth0 vs Supabase vs Clerk vs Firebase (Full Benchmark & Cost…
I tested all four auth providers on a real FastAPI production API. Here’s exactly what broke, what worked, and what it’ll cost you at… Continue reading on Mediu
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
FastAPI vs Go vs Rust Under Fire: I Threw 100,000 Brute-Force Attacks at Them.
Spoiler: Python didn’t just lose. It tapped out in 4 minutes. And the winner? It wasn’t even close. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
How to Run Java Program?
Java is one of the most popular programming languages widely used for developing the various applications from mobile apps to large-scale… Continue reading on M
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Redis vs Dragonfly vs KeyDB 2026: I Benchmarked 1 Million Cache Hits for My FastAPI App (One is 25x…
It was a Tuesday afternoon when I realized my FastAPI app was choking. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Composer 2.5: A 50-Cent Coding Model Just Caught the Frontier Labs
The last couple of months, I’ve been shipping complex applications — full systems, multiple services, the kind of work where you live… Continue reading on Mediu
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Rust vs Go vs Node.js 2026 . I Rewrote the Same API 3 Times.The Performance Gap is INSANE
“Three weeks. Three languages. One very tired developer. Here’s what actually happened when I stopped reading benchmarks and started… Continue reading on Medium
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
One Article, One Tea, All of FastAPI — Zero To Production, In One Go
First sip — APIs made sense. Second sip — Pydantic did the validation for me. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
3mo ago
Who I am and why I’m here
I’m Nikita, a second-year CS student. I build real systems — Go backends, ML pipelines — and somewhere in between I started asking… Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
A Day in the Life of a Failed API Request
Most people assume an API request fails only when something major breaks. A server crashes. A deployment goes wrong. The database stops… Continue reading on Sta
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Building a Disaster Response Platform in 3 Days With One Backend Engineer
What happened when I was the only person keeping the core of a national hackathon project alive. Continue reading on Medium »
Medium · Machine Learning
🔧 Backend Engineering
⚡ AI Lesson
4mo ago
I Built a Real-Time Chat with WebSockets. A Memory Leak Ate My Server Alive.
How a “simple” real-time chat API went from 128MB to 8GB in 20 minutes — and the three lines of code that almost cost me my weekend. Continue reading on Medium
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