⬡
CHIRAG
Backend Engineer & Server Architect
Python
Flask
MySQL
Linux
Telegram Bot
Selenium
Asterisk
VPS/Servers
Android Automation
Crypto Payments
REST APIs
WebSockets
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chirag@portfolio:~$
25+Projects Built
1Patent
4+Hackthons
15+Technologies
AI Assistant
EXT · 7003
Connecting…
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01 / about
whoami
$ cat /etc/os-release
NAME="Arch Linux (Custom Server Build)"
PRETTY_NAME="Chirag OS v4.2"
$ uname -a
Linux chirag-dev 6.x.x #1 SMP PREEMPT
$ cat /proc/cpuinfo | grep "model name"
model name : Backend Engineer Core™ i∞
$ free -h
Skills: total=∞ used=90% free=10%
$ ps aux | grep passion
chirag 1337 99.9 automation
chirag 1338 98.5 backend-api
chirag 1339 97.2 server-admin
$ uptime
up 4 years, load avg: high, building, shipping
$ hostname -I
📍 Greater Noida, Uttar Pradesh, India
// identity
Chirag Singh — Backend Engineer & Server Specialist
// current_focus
Building automation systems, Telegram bots, payment integrations & VoIP platforms
// philosophy
"If it can be automated, automate it. If it can't, make it can."
// specialization
Real-money transaction systems, mobile automation, multi-user architectures
// languages
Python (primary) · Java · React · SQL · HTML/CSS/JS
// server_stack
Ubuntu/Debian VPS · Nginx · CLoudflare · MySQL · MongoDB
network_activity.log — live
02 / skills
tech_stack --list-all
Backend & APIs
Databases
Automation
Server & DevOps
Chat Bots
VoIP & Networking
03 / projects
ls -la ~/projects/
pressonebot/
Telecommunictaion API for Developers
Multi-user Asterisk ARI call platform with isolated sessions, conference bridge pattern, DTMF webhook forwarding, credit balances, caller ID management, country allowlists and full Telegram bot interface with inline buttons (hangup, hold, recall).
Python
Flask
Asterisk ARI
Telegram Bot
MySQL
devocabs/
DevoCabs — Ayodhya Cab Service
Production cab booking website for Ayodhya's pilgrimage and travel
market, live at devocabs.com Includes live booking form,
outstation route pricing, fleet showcase, testimonials, FAQ accordion,
and contact section. Fully SEO-optimised with
canonical URLs for local search ranking in Ayodhya.
HTML5
CSS3
JavaScript
Canvas API
SEO
bharat_gas_bot/
Bharat Gas Automation
Selenium script attached to existing Chrome debug instance. Full cookie persistence, CAPTCHA solving pipeline, OTP fetch from external SMS API, consumer info validation via JSON config, and batch processing of LPG connection IDs from text files.
Python
Selenium
Chrome Debug
LPG API
lpg_booking_bot/
LPG Cylinder Booking Bot
Credit-based Telegram bot using KwikAPI (1 credit = 1 INR). Supports .txt upload of 17-digit LPG IDs for bulk booking, full transaction history, balance management, and admin controls.
Python
Telegram Bot
KwikAPI
SQLite
admin_chat_system/
Bi-directional Admin Chat
Flask admin panel with TeleBot integration for two-way communication between Telegram users and web admin. No Socket.IO dependency — pure polling architecture. Multi-user support with message threading.
Flask
TeleBot
Python
JSON DB
audio_stream/
Live Audio Transcription Stream
WebSocket-based microphone streaming server with Deepgram real-time STT integration. Low-latency audio relay to multiple receiver clients. Android client-side transcription support and server-side processing modes.
WebSocket
Python
Android
Deepgram
delivery_credits/
Credit-Based Delivery Automation
Mobile UI automation with UIAutomator converted to a credit-based SaaS tool (1 credit = 1 successful delivery). Flask server, JSON database, login/credit-check/deduction API endpoints and web portal for user management.
UIAutomator
Flask
Python
JSON DB
bbps_wallet/
Utility Bill Payment Platform
BBPS-style web platform for utility bill payments with integrated wallet system. Uses purchased bill payment API, user balance management, transaction history, and multi-biller support.
Flask
MySQL
Python
Wallet API
04 / experience
git log --oneline --all
2024 — PRESENT
Backend Systems Engineer & Automation Architect
Independent Developer · Remote
- Designed multi-user telephony platforms using Asterisk ARI supporting concurrent call sessions and webhook event streams
- Integrated SIP providers (Telnyx) for outbound call automation with custom call orchestration logic
- Built secure crypto payment infrastructure using LitePay and BTCPay with automated key delivery systems
- Developed scalable Telegram bot ecosystems with Flask APIs, MySQL databases, and credit-based billing
- Managed Linux VPS infrastructure including Nginx reverse proxy, SSL configuration, and Supervisor process management
2023 — 2024
Automation & Backend Developer
Independent Projects · Remote
- Built large-scale Selenium automation systems using Chrome DevTools Protocol with persistent cookies and session reuse
- Developed Android automation pipelines using ADB + UIAutomator for mobile workflow execution
- Implemented real-time audio streaming systems using WebSockets with Deepgram speech-to-text transcription
- Created Telegram bots capable of multi-user SMS routing, OTP retrieval, and automated workflows
- Built FastAPI / Flask backends supporting authentication, REST APIs, and real-time services
2022 — 2023
Automation Engineer & API Developer
Independent Development · Greater Noida, India
- Developed LPG booking automation software handling CAPTCHA solving, OTP verification, and API workflows
- Built desktop automation tools using Python Tkinter with Excel reporting and batch processing
- Created browser interaction logging tools to capture HTTP requests, cookies, and user actions
- Implemented credit-based delivery systems where server APIs tracked and deducted credits per transaction
- Developed early Telegram bot integrations connected to backend services
2021 — 2022
Self-Taught Software Developer
Independent Learning · Greater Noida, India
- Learned Python programming through building real automation and scraping tools
- Explored Linux server environments, shell workflows, and system administration
- Built first automation scripts for data extraction, browser automation, and API consumption
- Started building Telegram bots and simple backend APIs
- Developed strong debugging skills through reverse engineering and network analysis tools
06 / achievements
cat ~/awards.log
PATENT PUBLICATION
PATENT
Method and System for Real-Time User Safety During Vehicle Commutes
Sharda University, Greater Noida, UP, India · 32 Pages · 18 Claims
// inventors
01
Mohammd Ramiz
02
Rishav Anand
03
Chirag Singh Pundir ME
04
Dr. Kanika Singla
05
Mr. Amit Chaudhary
// abstract
Discloses a system for real-time threat detection during vehicle commutes —
processing audio, video & GPS from multiple sensors using ML models performing
keyword analysis, emotional spectrum analysis, facial recognition, and object detection.
Automatically alerts security personnel with location and video evidence.
// ipc classification
G10L0025630000
G06V0040160000
H04W0004900000
G08B0031000000
H04L0009400000
// patent_document.png
Click to view full document
HACKATHON CERTIFICATES
PARTICIPATION
6th Technovation Hackathon
Sharda School of Engineering & Technology
Theme: Data-Driven Urban Planning
Org: Sharda University · IEEE Student Branch
Org: Sharda University · IEEE Student Branch
Data Analytics
Urban Planning
IEEE
Click to view full certificate
ROUND II — PARTICIPATION
2.0 Technothon '23
Galgotias College of Engineering & Technology
Theme: Code for Innovation — International Event
Team: TECH23185 · Dept of CSE, GCET
Team: TECH23185 · Dept of CSE, GCET
Code for Innovation
International
Round II
Click to view full certificate
PARTICIPATION
Hack KRMU 4.0
K.R. Mangalam University, Gurugram
Org: GDG New Delhi · GDG Cloud Noida
Partners: Coding Ninjas · HackQuest · Career Launcher · AI India Association
Partners: Coding Ninjas · HackQuest · Career Launcher · AI India Association
GDG
Coding Ninjas
Innovation
AI
Click to view full certificate
05 / setup
cat ~/.config/tools
Python 3.11+
PRIMARY LANGUAGE
FastAPI
HIGH PERFORMANCE API
Flask
WEB FRAMEWORK
Linux / Ubuntu
SERVER OS
VS Code + Vim
EDITOR / IDE
MySQL 8
PRIMARY DB
MongoDB
NOSQL DB
Redis
CACHE / QUEUE
Nginx
REVERSE PROXY
JWT Auth
API SECURITY
Telegram Bot API
BOT PLATFORM
Webhooks
EVENT INTEGRATION
WebSockets
REALTIME COMM
Android ADB
MOBILE AUTOMATION
Selenium
WEB AUTOMATION
Chrome DevTools
BROWSER DEBUG
Asterisk PBX
VOIP ENGINE
ARI API
ASTERISK CONTROL
SIP / Telnyx
VOICE PROVIDER
Docker
CONTAINERIZE
Frida
APP INSTRUMENTATION
Wireshark
PACKET ANALYSIS
mitmproxy
HTTPS INTERCEPTION
OpenPyXL
EXCEL AUTOMATION
BTCPay Server
CRYPTO GATEWAY
Deepgram
SPEECH-TO-TEXT
Supervisor
PROCESS MGR
Git
VERSION CONTROL
07 / contact
./send_message.sh
// telegram
@Suicune_Dexxdvrdd
// email
chiragsingh9123@gmail.com
// github
github.com/chiragsingh9123
// location
Greater Noida, Uttar Pradesh, India
// timezone
IST (UTC+5:30) — Usually online
// availability_status
OPEN FOR PROJECTS
Available for backend development, automation systems, Telegram bot projects, VoIP integrations, and server management contracts.
Response time: < 2 hours via Telegram