Welcome to My Blog
I’m Arun, a Senior Technical Architect. I’ve spent many years building and modernising enterprise-scale platforms across fintech and global SaaS products. Day to day, that means breaking apart monoliths, designing APIs other teams have to live with, and making sure performance and security don’t get left for “later” and then forgotten.
Most days are routine. But every now and then something happens — a tricky bug, a tool that surprises me, a decision that turns out to matter — that’s worth writing down.
That’s really what this blog is: a journal of things I’m building, breaking, and figuring out, written close to when they happen.
What you can expect
Real experiments, not theory. When I try a new AI coding tool, a different way of structuring a service, or a new approach to an old architecture problem, I write about it as I figure it out — what worked, what didn’t, what I had to dig into before it made sense. I’d rather share that process than a clean explanation that skips the messy bits.
Architecture decisions and their tradeoffs. Things like decomposing monoliths, micro-frontends, API versioning, and the non-functional stuff (observability, security) that’s easy to skip and expensive to skip badly. These come from systems I’ve actually worked on, not pattern catalogues.
AI in everyday engineering work. I use AI tools constantly — for code, for tests, for thinking through requirements — and I run workshops helping other engineering teams figure out where AI actually helps them too. My working theory so far: it’s a great accelerator for work you already understand well, and a lot less useful when you’re trying to use it as a substitute for that understanding. I’m still testing that theory, and I’ll share both kinds of stories.
Honesty about what I don’t know yet. Some posts will be “here’s a thing I figured out.” Others will be “here’s a thing I’m still confused about.” Both are useful to write, and hopefully to read.
If something here saves you time on a problem you’re stuck on, or just confirms you’re not the only one finding it hard, that’s the goal. Welcome.