Shubham Kumar

Senior Software Engineer | CTF Player | Hacker

Koramangala, Bengaluru, India, IST

SK

About

Seasoned software engineer with expertise in end-to-end development cycle. Demonstrated success in optimizing intricate systems, overhauling payment applications, and elevating user experiences through inventive solutions.

Work Experience

6+ Years

AirFi
Remote

2021 - Present

Senior Software Engineer

  • Proficiency in designing and optimizing intricate systems.
  • Augmented offline Payments Applications with online verification capabilities in the presence of internet connectivity.
  • Noteworthy increase in Captive portal launch rates, from 50% to over 75%.
  • Developed a versatile Remote Sync Service for content synchronization.
  • Executed comprehensive refactoring of ADS-B Services for seamless event communication.
  • Pivotal role in enhancing email accessibility via satellite.
  • Implementation of restrictions to text-only formats for improved email accessibility.

Juspay
Onsite

2018 - 2021

Software Developer

  • Core Member of the team, responsible for designing and implementing the payout system
  • Revamped CRED app's payment backend in PureScript, slashing payout time from 1 minute to 6 seconds
  • Enabling seamless credit card transactions
  • Generic fulfillment for various financial operations
  • Implemented BillPayment Service for HPGas on Google Pay.

Juspay
Onsite

2017 - 2018

Software Developer Intern

  • Implemented a RESTful crypto service with secure key storage for encryption and signing

Education

The Oxford College of Engineering, Bengaluru VTU

2013 - 2017
Bachelor's of Engineering, Compute Science

Skills

JavaScript
TypeScript
Node.js
Restful
Haskell
Purescript
Postgres
CouchDB
MongoDB
Docker
Kubernetes
AWS

Projects

f3v3r.in

Cybersecurity blog

Side Project
JavaScript
Markdown

hexo-twitter-auto-publish

A Hexo bot to auto tweets on Twitter for the blogs published via Hexo

Side Project
TypeScript
Node.js

urlshortner

A URL Shorter service

Side Project
TypeScript
Node.js

fly_db_backup

A tool to backup and restore Postgres database hosted on fly.io to cloudflare R2

Side Project
TypeScript
Python3

Discord Bot

A role management Discord Bot

Side Project
JavaScript
Node.js
WebSocket

Certifications

Google Cybersecurity

Google Cybersecurity Professional Certifications

Understanding CouchDB 3

Understanding CouchDB 3: Learn Basic & Advanced NoSQL Skills

Bash Scripting

Bash Scripting and Shell Programming (Linux Command Line)