RFID Attendance System
Classroom attendance tracked with RFID cards, from Arduino hardware to a real-time web dashboard.
Hi, I'm Akshat Aggarwal.
Software Engineer 2 at Intuit, working on distributed systems and data platforms.
I enjoy building reliable, high-throughput software, from event-driven pipelines to thoughtful developer tooling.
I write about the interesting bits. Always happy to discuss them with people working on similar problems.
- 👨🏻💻I have a passion for problem solving and competitive programming.
- 🌱I'm currently learning Golang.
Stack & tools
Languages
Frameworks
Databases & messaging
Tools & platforms
FROM GITHUB
See all work Selected work.
Resume
My resume as a website, compiled from a single LaTeX source by GitHub Actions.
NITH Announcements
HTTP API serving NIT Hamirpur announcements, built to feed Discord bots and other integrations.
FROM THE NOTEBOOK
See all blogs Latest blogs.
Postgres Indexes: Why Column Order Matters
The same columns can be fast or useless depending on order: B-tree column order in practice.
A Missing PostgreSQL Index
A missing index turned a pre-release test into a production fire, and the zero-downtime fix.
AuthZ in production
RBAC vs ABAC, policy-as-code, and OPA: how authorization works in production systems.