01
Numbers That Validate Themselves: Luhn, Verhoeff, and the Check Digit Problem
Jun 7, 2026·tech
$ whoami
Swatish Choudhury
Software Engineer
$ cat about.txt
I’m a CS postgraduate who loves solving real-world problems with code. I enjoy learning new technologies and building products around them. I've built bots that serve large user bases, developed backends, and created apps and websites to bring ideas to life.
India
$ echo $SKILLS
Technologies
python
typescript
go
nodejs
expressjs
nextjs
restful apis
postgresql
mysql
mongodb
redis
kafka
git
docker
ci/cd
jenkins
$ cat experience.log
Work History
01
Backend Developer
IVTEX Corporate Solutions Pvt. Ltd.·Oct 2025 - Present
Building and shipping e-governance platforms across grievance management, civic feedback, social intelligence, AI-assisted workflows, real-time routing, analytics, and public-sector integrations.
02
Freelance Software Developer
Freelancer·May 2023 - Present
Building web apps, backend services, automations, and integrations for startups and small businesses.
01
Lumen - Where Your Mind Finds Its Light
An app that helps you focus on what matters, track your habits, and eliminate distractions for a more productive and mindful digital experience.
02
Rakshak - Emergency SOS System
Led the development of an emergency response system built without internet connectivity. Won first place at the Technova Hackathon.
03
Away Lock
A Python script to lock the computer after user inactivity, with a configurable hotkey to reset the timer.