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Khair Ahammed — AI/ML Engineer, Voice Agent Builder & AI Trainer

AGENT_TERMINAL
Khair Ahammed
AI/ML Engineer | AI Trainer
khair@os:~$
~$

Career Timeline

ORGS: 03 · ROLES: 05
/ROOT/EXPERIENCE
Brain Station 23 PLC
CURRENT
3 POSITIONS · MAR 2024 — PRESENT
Software Engineer II (AI/ML)
JUL 2025 — PRESENT

Building Dhrubo, a production-grade AI voice agent platform automating inbound/outbound calling with real-time speech processing and telephony integration. Also deployed an AI agent system for Free Bird Africa that auto-generates tender EOIs and proposals, and built an AI-powered video interviewing platform for internal hiring.

KEY_DELIVERABLE:Integrated local IPTSP (FreePBX/Asterisk) alongside Twilio for Dhrubo, cutting per-minute calling costs to near-zero, plus a custom Bangla TTS model and fine-tuned STT for Bengali/English code-switching.
Software Engineer I (AI/ML)
JAN 2025 — JUN 2025

Built Tedco SEO Analyzer end-to-end, delivering AI-powered website SEO insights and recommendations. Also developed royalty-free music suggestion, audio fingerprinting, and music generation systems for UpEndNow, a video-generation copilot.

KEY_DELIVERABLE:Shipped Tedco SEO Analyzer end-to-end, from crawl to AI-generated, page-specific recommendations.
Associate Software Engineer (AI/ML)
MAR 2024 — DEC 2024

Built a production RAG chatbot for Hooray Health, a US pharmaceutical company. Also developed POC projects spanning demand forecasting, fuel consumption prediction, and a multi-source RAG chatbot.

KEY_DELIVERABLE:Shipped the Hooray Health RAG chatbot to production, combining multi-source retrieval across PDFs, websites, and relational databases.
OSTAD Limited
JUL 2025 — JUL 2026
Lead AI Instructor [Contractual]
JUL 2025 — JUL 2026

Training 800+ students to build and deploy no-code AI agents for automation and business process optimization. Designing hands-on curricula bridging AI tools and real-world workflows for non-technical learners.

KEY_DELIVERABLE:Built a curriculum bridging AI tools and real-world workflows for non-technical learners, trained via OSTAD Limited.
Fiverr
DEC 2020 — APR 2024
Freelance Data Scientist
DEC 2020 — APR 2024

Maintained 97%+ client satisfaction across 200+ data analysis and machine learning projects as a Top Rated Seller. Delivered end-to-end solutions leveraging Python, Pandas, Azure ML Studio, and Google Looker Studio for international clients.

KEY_DELIVERABLE:200+ projects delivered with 97%+ satisfaction rate as a Top Rated Seller.

System Deployments

TOTAL_ENTRIES: 06
SHOWING: 06
/ROOT/PROJECTS
PROJECT_01
Dhrubo — AI Voice Agent Platform

Production-grade AI voice agent platform automating inbound/outbound calling — spanning telephony, real-time conversational AI, and analytics, with a no-code Agent Builder for deploying voice agents.

AGENTIC_LOGIC:End-to-end system across telephony, backend, and agent orchestration: local IPTSP (FreePBX/Asterisk) integrated alongside Twilio for near-zero per-minute calling costs. A custom Bangla TTS model and fine-tuned STT handle accurate Bengali/English code-switching in real time, backed by a RAG-powered no-code Agent Builder with full observability.
PythonLangGraphLiveKitAsteriskTwilioQdrantFastAPILangfuse
PROJECT_02
RFP Response Generator — Free Bird Africa

Automated RFP/EOI response platform for Free Bird Africa that analyzes company documents and client requirements to generate context-aware proposals and professional email drafts.

AGENTIC_LOGIC:Multi-agent LangGraph pipeline: documents are parsed via MistralOCR, Qdrant retrieval surfaces relevant past proposals, and a generation stage produces tailored proposal sections and email drafts. Langfuse traces the pipeline end-to-end.
PythonLangGraphMistralOCRQdrantFastAPILangfusePostgreSQL
LIVE
PROJECT_03north_east
Hooray Health Chatbot

RAG-powered pharmaceutical chatbot for Hooray Health (US) providing drug suggestions, alternatives, dosage limits, warnings, and company-specific insurance details across a complex multi-source knowledge base.

AGENTIC_LOGIC:Fusion retrieval architecture combining LlamaIndex (BM25) and LangChain (dense vector) retrievers over ChromaDB. Async batch processing with Redis queuing handles peak load. A custom Marker-based PDF extractor handles complex pharmaceutical table layouts.
PythonLangChainLlamaIndexChromaDBPostgreSQLFastAPISeleniumMarker
PROJECT_04
AI Video Interviewing Platform

AI-powered video interviewing platform for BS23's internal hiring — conducts structured interviews, evaluates candidate responses, and generates automated assessment reports.

AGENTIC_LOGIC:LangGraph-driven interview flow orchestrates question selection, response capture, and evaluation, producing consistent, structured candidate assessments for internal hiring operations.
PythonLangGraphOpenAIFastAPIPostgreSQL
PROJECT_05
Tedco SEO Analyzer

AI-powered website SEO analysis platform that crawls pages, extracts signals, and delivers actionable recommendations ranked by impact — moving beyond checklist audits to context-aware SEO reasoning.

AGENTIC_LOGIC:Crawl agent scrapes and normalizes page content. An analysis agent runs structured LLM-based assessment of page content, and a recommendation agent generates prioritized, context-aware action plans specific to each page's intent.
PythonFastAPILangChainSeleniumPostgreSQLNext.js
PROJECT_06
OSTAD AI Agent Training

Designed and delivered a no-code AI agent curriculum for 800+ students at OSTAD Limited — teaching automation and business process optimization without writing code.

AGENTIC_LOGIC:Curriculum built around real automation workflows: process design, agent building, and deployment. Students build and ship live no-code AI agents during the training itself.
n8nOpenAI APIWebhook IntegrationREST APIs

Knowledge Topology

Category / group
Proficiency (size)
/ROOT/ENGINE
KHAIR
AI / Voice
Agents & Orchestration
LangGraph
LlamaIndex
Prompt Engineering
Agent Evaluation
LangChain
RAG Pipelines
Vector Databases
Fine-Tuning & Training
LoRA / QLoRA
PEFT
Unsloth
HuggingFace
TensorFlow
Data & Analytics
Pandas
NumPy
Google Looker Studio
Voice & Cloud AI
Voice Agents
Asterisk
Twilio
Azure Foundry AI
LLMOps Eval
Automation
N8N
Make
Zapier
CRM Integration
Webhook
Deployment
Docker
AWS
DVC
CI/CD Pipelines
MLFlow
Git
Full Stack
Python
PostgreSQL
Celery
Asterisk
FastAPI
MongoDB
Redis
Language
Bangla
English
Hindi / Urdu
Soft Skills
Leadership
Communication
Critical Thinking
Listening
Teamwork
Click a pulsing circle to expand
Scroll / pinch to zoom · drag to pan
AI / Voice
LangGraph (Multi-Agent)92%
LangChain90%
LlamaIndex88%
RAG Pipelines92%
Prompt Engineering88%
LoRA / QLoRA85%
PEFT75%
Unsloth78%
HuggingFace85%
TensorFlow / Scikit-learn80%
Pandas88%
NumPy85%
Vector Databases88%
Agent Evaluation78%
Google Looker Studio70%
Voice Agents88%
Asterisk80%
Twilio80%
Azure Foundry AI72%
LLMOps Eval72%
Automation
N8N92%
Make (Integromat)80%
Zapier78%
CRM Integration (HubSpot / Salesforce)75%
Webhook / API Integration88%
Deployment
Docker85%
CI/CD Pipelines82%
AWS / Azure Cloud80%
MLFlow75%
DVC72%
Git / GitHub90%
Full Stack
Python95%
FastAPI / Django REST90%
PostgreSQL / MySQL86%
MongoDB80%
Celery80%
Redis82%
Asterisk / Telephony75%
Language
Bangla100%
English90%
Hindi / Urdu65%
Soft Skills
Leadership88%
Communication90%
Critical Thinking88%
Listening85%
Teamwork92%
// TOOLS & PLATFORMS
Python
LangGraph
LangChain
Hugging Face
TensorFlow
scikit-learn
Pandas
NumPy
Qdrant
LiveKit
Asterisk
n8n
Make
Zapier
HubSpot
FastAPI
Django
PostgreSQL
MySQL
MongoDB
Redis
Celery
Docker
Azure
Google Cloud
Git
GitHub
GitHub Actions
MLflow
DVC

Live Telemetry

LIVE
/ROOT/LOGS
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Khair Ahammed
AI/ML Engineer | AI Trainer
Dhaka, Bangladesh
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Research

PUBS: 7CITATIONS: 193
/ROOT/RESEARCH
school[01] RESEARCH_PROFILE
scholar.google.com/khair-ahammed→
193
CITATIONS
6
H_INDEX
6
I10_INDEX
bar_chart[02] CITATIONS BY PAPER
2020 — IEEE Region 10 Symposium66
2020 — medRxiv preprint51
2020 — 23rd Intl. Conf. on Computer and Information Technology30
2021 — IEEE 15th Intl. Conf. on Application of Information and Communication Technologies21
2022 — Intl. Conf. on Machine Intelligence and Emerging Technologies12
2022 — Intl. Conf. on Machine Intelligence and Emerging Technologies10
2023 — 26th Intl. Conf. on Computer and Information Technology3
menu_book[03] PUBLICATIONS // CLICK TO OPEN
2020
Predicting Infectious State of Hepatitis C Virus Affected Patients Applying Machine Learning Methods
IEEE Region 10 Symposium (TENSYMP) · 66 citations
PEER-REVIEWEDopen_in_new
2020
Early Detection of Coronavirus Cases Using Chest X-Ray Images Employing Machine Learning and Deep Learning Approaches
medRxiv preprint · 51 citations
PREPRINTopen_in_new
2020
Performance Analysis of Machine Learning Techniques to Predict Hotel Booking Cancellations in Hospitality Industry
23rd Intl. Conf. on Computer and Information Technology (ICCIT) · 30 citations
PEER-REVIEWEDopen_in_new
2021
A Comparative Machine Learning Study to Predict Drug Addiction in Bangladesh
IEEE 15th Intl. Conf. on Application of Information and Communication Technologies (AICT) · 21 citations
PEER-REVIEWEDopen_in_new
2022
Convolutional Neural Network Model to Detect COVID-19 Patients Utilizing Chest X-Ray Images
Intl. Conf. on Machine Intelligence and Emerging Technologies (Springer) · 12 citations
PEER-REVIEWEDopen_in_new
2022
Block-chain Aided Cluster Based Logistic Network for Food Supply Chain
Intl. Conf. on Machine Intelligence and Emerging Technologies · 10 citations
PEER-REVIEWEDopen_in_new
2023
A Comparative Study of RFM-Based Clustering Methods in Customer Segmentation
26th Intl. Conf. on Computer and Information Technology (ICCIT/IEEE) · 3 citations
PEER-REVIEWEDopen_in_new

Certifications & Recognition

CERTS: 6AWARDS: 02
/ROOT/CERTIFICATIONS
verified[01] CERTIFICATIONS // 6
MICROSOFT
Develop Generative AI Solutions with Azure OpenAI Service
Jul 2024
IBM
Data Science Professional Certificate
Jul 2021 – Dec 2021
MICHIGAN UNIVERSITYopen_in_new
Python for Everybody (Specialization)
View credential →
VALUE BASE ACADEMY
Full Stack Applied Data Science
Nov 2020 – May 2021
DUKE UNIVERSITYopen_in_new
Data Science Math Skills
View credential →
MACQUARIE UNIVERSITYopen_in_new
Excel Skills for Business: Essentials
View credential →
military_tech[02] RECOGNITION & AWARDS
rate_review
Scientific Paper Reviewer — "A novel DeepNet model for the efficient detection of COVID-19 for symptomatic patients"
MAR 2021 · BIOMEDICAL SIGNAL PROCESSING AND CONTROL (Q1 · IF 6.77)
emoji_events
2nd Runner-Up — Hult Prize on Campus
DEC 2020 · BLOCKCHAIN-BASED FOOD SUPPLY SYSTEM · 3RD OF 53 TEAMS

Training & Workshops

ENTRIES: 10
/ROOT/TRAINING
AI & Business Analytics: From Data to Action
Daffodil University · APSP 2026JUL 2026
AI & Business Analytics: From Data to Action
INDUSTRY TALKAI
Live AI Agent Demo
APSP 2026JUL 2026
Live AI Agent Demo
LIVE DEMOAI AGENTS
APSP 2026 — International Cohort
Daffodil UniversityJUL 2026
APSP 2026 — International Cohort
WORKSHOPINTERNATIONAL
Speaker Recognition
Daffodil UniversityJUL 2026
Speaker Recognition
RECOGNITION
Teaching n8n Agent Workflows — Live
OSTAD · AI Agent Training
Teaching n8n Agent Workflows — Live

Live class — building a content-approval agent workflow in n8n.

LIVE CLASSN8N
The AI Evolution Story
OSTAD · AI Agent Training
The AI Evolution Story
ONLINE CLASSAI
AI Agent Training — Certification Ceremony
Brain Station 23 PLCJAN 2026
AI Agent Training — Certification Ceremony

Two-month industrial training on AI agents — certification day.

INDUSTRIAL TRAININGAI AGENTS
Roadmap to an AI Career
East West UniversityAUG 2025
Roadmap to an AI Career
INDUSTRY TALKCAREER
History of AI — Industry Talk
AIUBAUG 2025
History of AI — Industry Talk
INDUSTRY TALKAI
With AIUB Students
AIUBAUG 2025
With AIUB Students
COMMUNITY

Library

LIVE // HASHNODE
/ROOT/LIBRARY
Long-form writing on voice agents, RAG, and automation — the thinking behind the builds.ARTICLESEBOOKS · SOONN8N TEMPLATES · SOON
▸ HASHNODEJun 9, 2026

Setting Up Your AI Dev Environment — The Right Way

This post is the environment setup I wish someone had given me before I started. If you're following the AI Fieldnotes series, this is Post 2 — we're building the foundation before anything else. By t
PythonAIllm
▸ HASHNODEMay 28, 2026

What is an AI Agent? A Beginner's Guide

Introduction You've probably heard "AI agent" everywhere lately. OpenAI is building them. Google is building them. Every tech company is announcing some kind of "agentic" product. But if you've tried
AIagentic AIai agents
▸ HASHNODE.DEV
More writing lands here as it's published.
▶ READ ON HASHNODE

Open Channel

OPEN_TO_WORK
/ROOT/COMMS
hubDIRECT_LINKS // CHANNELS
terminalCOMPOSE_MESSAGE // TERMINAL
khair@comms:~$ compose --to khair
TRANSMISSION_PROTOCOL: ENCRYPTED