Bangkok, Thailand

Jagdeep
Singh Virdi

Senior Telecom Billing Consultant & Independent Builder

20+ years making high-stakes telecom billing systems work across Asia, the Middle East, and Europe. Off-hours, I build open-source tools and local-first AI systems — things that solve real problems without cloud dependency or unnecessary overhead.

GitHub LinkedIn Contact

20+ Years in Industry

12+ Operators Delivered

4 Continents

8 Open Source Projects

Work

Projects & Builds

🏃

In Development

PlayCru

Hyperlocal mobile app for finding nearby players for spontaneous pickup sports games. People-first, not venue-first. Launching in Thailand.

Flutter Firebase Firestore Android

⚙️

Open Source

FlowForge

Database-driven pipeline orchestrator. Configure complex automation workflows entirely from a UI — no YAML, no Airflow overhead. Born from production telecom reporting.

Python PostgreSQL Open Source

📊

Professional

Telecom Reporting System

End-to-end automated reporting platform for a Thai MVNO — Finance, Marketing, and Sales reports running clockwork daily, weekly, and monthly. Fully configurable, zero manual intervention.

PostgreSQL Python Automation BSS

🔗

Professional

SAP Finance Interface

Finance interface between a national telecom billing system and SAP. Became the client's primary invoice verification and revenue adjustment source — still running in production.

Perl Oracle PL/SQL SAP

🧠

Open Source

Memex

Privacy-first personal knowledge OS. Local LLM inference via Ollama — no API costs, no data leaving your machine. Semantic search powered by pgvector.

Node.js React pgvector Ollama Local AI

💡

Open Source

DevBrain

Developer knowledge base and command center with RAG-powered Q&A and runbooks. Notification hub via Telegram. Tracks all active projects, runs entirely on local Ollama models.

TypeScript Ollama RAG Local AI

📄

Open Source

file-to-markdown

Local-first desktop app that converts 15+ document formats — PDF, DOCX, PPTX, XLSX, EPUB and more — to Markdown. No AI, no uploads, no internet required. OCR and audio transcription included.

Python pywebview MarkItDown Desktop App Local-first

🪐

In Development

Orbitly

Personal life operating system. Unified dashboard for work tasks, wellness, cultural events, sports tracking, and family sharing — all in one place, built for how I actually live.

React Tailwind Express PostgreSQL

🪑

In Development

Tekton India

Resin furniture brand with an interactive 3D product configurator — letting customers visualise custom pieces before ordering. Commerce meets craft.

HTML/CSS/JS 3D Configurator E-Commerce

📈

Open Source

Arc Investments

Professional-grade SET 100 stock analysis dashboard for the Thai stock market — real-time charting and analytics built on TradingView's lightweight-charts.

React Vite TradingView Python

💹

Open Source

ResidualEdge

Multi-strategy quantitative research and trading system for NSE/BSE Indian equities — market-neutral paper strategy, live-capital compounder, and an intraday research backtester.

Python TypeScript Docker Quant Trading

Tools

Tech Stack

Python PostgreSQL Perl Oracle / PL/SQL React TypeScript Tailwind CSS Node.js FastAPI Supabase Flutter Dart Firebase Firestore Shell Scripting C / Pro*C Ollama Local LLMs Unix / Linux Git

Career

Experience

Dec 2021 — Present

Lead Billing Consultant & Senior Developer

Advance Tech Solutions · Bangkok

Supporting National Telecom (NT) and redONE — Thailand's largest fixed-line provider and first postpaid MVNO. Custom development on Infinys Rating & Billing 5.0, release management, and built a full automated reporting system from the ground up.

Dec 2015 — Dec 2021

Senior Consultant

Ditto (Thailand) · Bangkok

Senior billing consultant on Thai telecom engagements. Built and maintained custom components across RB 5.0 and CMP platforms. Automated data loading, reporting, and notifications — significantly cutting manual operational effort.

Jul 2012 — Nov 2015

Global Service Lead, Billing Consultant

BT · Bengaluru

Led custom development across 14 release trains for BT's billing platform. Designed a report-generation tool and led the core IRB 3.0.x → RBM 8.x upgrade workstream. Reviewed all vendor code and owned release management end to end.

Jul 2006 — Jul 2012

System Analyst & Senior Developer

Convergys / NetCracker · Hyderabad

Delivered across 9+ operators in ASPAC, EMEA, and the Middle East — AIS, SmarTone, Qatar Telecom, Saudi Telecom, Telefónica, O2, Telecom Egypt, Sri Lanka Telecom. Tech Lead for Qatar Telecom RB upgrade; onsite development lead at SmarTone Hong Kong.

Learning