Ankan Saha

@theankansaha

🚀 Software Engineer 🚀 | Obsessed with Networking 🌐 | Computer Enthusiast 💻 | Building robust, scalable systems.

KolkataJoined October 2024

About

System-level engineer building reliable backend systems with a focus on performance, correctness, and real-world constraints. I work across APIs, databases, networking, and infrastructure, enjoy understanding how systems behave under load and failure, and write to break down complex backend and distributed-systems concepts through practical, real-world learnings.

Available for

Available for building backend & system-level products, designing scalable APIs and databases, solving performance and reliability issues, and collaborating on early-stage engineering ideas.

Ankan Saha's blogs

AnkanHubblog.ankan.in18 posts

AxioDBblog.axiodb.in1 post

Articles Comments

Recently published

ASAnkan Sahablog.ankan.inJun 4 · 8 min read

Debugging Node.js in Production: The Problems, and What Actually Helps

Most Node.js tutorials stop at "it works on my machine." Production is where the interesting failures live, and they rarely show up in your logs. Memory climbs for no visible reason. One endpoint pegs

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ASAnkan Sahablog.ankan.inMay 25 · 4 min read

I Mentored 12 Teams at a Hackathon. Here's What I Learned.

Recently, I got invited to mentor at HackArena 2.0 - Kolkata Zonals, held at Jadavpur University. Honestly, when the invite landed in my inbox from the Ignite Room team, I wasn't sure what to expect.

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ASAnkan Sahablog.ankan.inApr 8 · 11 min read

Cloudflare Workers Load Balancer: How I Built a Free AWS ALB Alternative in 22 Hours

The pricing problem that would not leave me alone I have been working with Cloudflare Workers for a long time now. I have contributed to a few open source tools in the Workers ecosystem, deployed Work

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ASAnkan Sahablog.ankan.inMar 11 · 5 min read

I Spent a Day Learning How the Linux Kernel Actually Works — Here's What Surprised Me Most

I never studied computer science. My degree is in Arts. I learned to code from YouTube videos, late nights, and a stubborn refusal to accept that I couldn't figure things out on my own. So when I say

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ASAnkan Sahablog.ankan.inFeb 15 · 2 min read

I Stress-Tested My Own DNS Server This Weekend (8K QPS 🚀)

This weekend, I didn’t binge-watch anything.I stress-tested my own DNS server. For the past few months, I’ve been building NexoralDNS — a UDP-based DNS server focused on performance, analytics, and control. Not a wrapper. Not a proxy. A real packet-l...

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Ankan Saha

About

Available for

Ankan Saha's blogs

Recently published

Debugging Node.js in Production: The Problems, and What Actually Helps

I Mentored 12 Teams at a Hackathon. Here's What I Learned.

Cloudflare Workers Load Balancer: How I Built a Free AWS ALB Alternative in 22 Hours

I Spent a Day Learning How the Linux Kernel Actually Works — Here's What Surprised Me Most

I Stress-Tested My Own DNS Server This Weekend (8K QPS 🚀)

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Ankan Saha

About

Available for

Ankan Saha's blogs

Recently published

Debugging Node.js in Production: The Problems, and What Actually Helps

I Mentored 12 Teams at a Hackathon. Here's What I Learned.

Cloudflare Workers Load Balancer: How I Built a Free AWS ALB Alternative in 22 Hours

I Spent a Day Learning How the Linux Kernel Actually Works — Here's What Surprised Me Most

I Stress-Tested My Own DNS Server This Weekend (8K QPS 🚀)