Towhid Ahmed Foysal

SENIOR SOFTWARE ENGINEER  ·  AI TEAM LEAD  ·  ORBITAX

About

name:        Towhid Ahmed Foysal
role:        Senior Software Engineer · AI Team Lead
company:     Orbitax — global tax-software industry leader
focus:       LLM integration · RAG · Agentic automation · NLP research
languages:   Python · C++ · C# · JavaScript · SQL
ask-me:      Problem solving · Deep learning · Bangla NLP
contact:     ahmed.foysal@orbitax.com · towhidfoysal123@gmail.com

Currently building

XatBot Enterprise-grade RAG assistant. Multi-modal · enterprise security. Azure OpenAI · Claude · LangChain · ChromaDB · FastAPI · Redis · Docker

XatBot Auto System Auto-controls the user's machine. Tool-use · screen + input control · safe-by-default sandboxing. Agent · RPA · Tool-use

XatBot Deep Tracker Deep tracking for tax systems. Audit trails · compliance-aware observability. Tax · Observability · Compliance

Other ongoing work

• AI-Powered Visual Studio Extension — C# · .NET · VS SDK · OpenAI · WPF — real-time code completion, refactoring, test generation.
• "How to Master AI Engineering" — curated repo: best practices, architecture patterns, performance optimization for LLM systems.
• Bangla NLP toolkit (sbnltk) — open to collaborators.

Pinned projects

competitive_programming_codebook   Programming-contest book — graph theory, geometry, number theory, algorithms.	Bangla-NLP-Dataset   Bengali NLP dataset — NER, POS, summarization, sentiment, wiki articles.
sbnltk   Bangla NLP toolkit — NER, POS, stemmer, embeddings, summarization, sentiment.	bn_nlp   Bangla NLP toolkit — tokenization, word embeddings, stemming.
Text-summarization   Automatic text summarization — overview, methods, Bengali focus.	NLP-colab-trainer   Colab notebooks for NLP tasks — Bengali language focus.
LiteLLMProxy   LLM proxy — manage and route language-model connections.	open-webui   User-friendly AI interface — multi-LLM provider support.

AI engineering toolkit

Covered end-to-end — from frontier LLM APIs (Claude, OpenAI, Bedrock, Vertex) to local inference (Ollama, LiteLLM), from agent frameworks (LangChain, LangGraph) to AI-native dev tools (Claude Code, Cursor, Obsidian).

LLM PROVIDERS · HOSTING

AGENTIC · ORCHESTRATION · RAG

AI-NATIVE DEV TOOLS

LANGUAGES

ML · DATA · VISION

BACKEND · CLOUD · DATA

GitHub stats

Competitive programming

Research & Publications

Areas: Conversational AI · Prompt Engineering · Deep Learning · NLP · Hyperledger Fabric · AI

Publications:

1. Bangla Extractive Text Summarization — IEEE

Off-hours

Gaming: COD · PUBG · Valorant · Fall Guys