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

Career Timeline

ENTRIES: 05
/ROOT/EXPERIENCE
JUL 2025 — PRESENT
Brain Station 23 PLC
CURRENT
Software Engineer II (AI/ML)

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.
JUL 2025 — JUL 2026
OSTAD Limited
Lead AI Instructor [Contractual]

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.
JAN 2025 — JUN 2025
Brain Station 23 PLC
Software Engineer I (AI/ML)

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.
MAR 2024 — DEC 2024
Brain Station 23 PLC
Associate Software Engineer (AI/ML)

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.
DEC 2020 — APR 2024
Fiverr
Freelance Data Scientist

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

Live Telemetry

LIVE
/ROOT/LOGS
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Khair Ahammed
AI/ML Engineer | AI Trainer
Dhaka, Bangladesh
View profile
/ROOT/ENGINE

Knowledge Topology

Category / group
Proficiency (size)
KHAIR
AI / Voice
Agents & Orchestration
LangGraph
LangChain
LlamaIndex
RAG Pipelines
Prompt Engineering
Vector Databases
Agent Evaluation
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
CI/CD Pipelines
AWS
MLFlow
DVC
Git
Full Stack
Python
FastAPI
PostgreSQL
MongoDB
Celery
Redis
Asterisk
Language
Bangla
English
Hindi / Urdu
Soft Skills
Leadership
Communication
Critical Thinking
Listening
Teamwork
Scroll / pinch to zoom · drag to pan · click a node to expand
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
FastAPI
n8n
Make
Zapier
Docker
PostgreSQL
MongoDB
Redis
Qdrant
LiveKit
GitHub
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

Field Notes

LIVE // HASHNODE
/ROOT/WRITING
▸ HASHNODE.DEV
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
KHAIR AHAMMED

AI / Voice engineer building production agents, RAG systems, and workflow automation.

OPEN TO WORK
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