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shaikn6/README.md

Nagizaaz Shaik

Data Engineer → MLOps Engineer → ML / AI Engineer

LinkedIn GitHub Portfolio

About

Started as a Data Engineer building production ETL pipelines and cloud warehouses. Grew into MLOps — deploying, monitoring, and maintaining ML systems in regulated financial environments. Now focused on ML Engineering and AI — LLMs, RAG systems, AI agents, and clinical AI.

Skills

Domain Technologies
Machine Learning scikit-learn · XGBoost · Random Forest · Gradient Boosting · SHAP · fairlearn
Deep Learning PyTorch · DenseNet121 · EfficientNet-B4 · CNNs · Autoencoders · Grad-CAM · ScoreCAM · Federated Learning
NLP spaCy · BERT · BioBERT · HuggingFace Transformers · sentence-transformers · NER · ICD-10 extraction
LLMs & RAG LangChain · LangGraph · FAISS · RAG pipelines · Prompt engineering · Hallucination detection
AI Agents LangGraph state machines · Agentic workflows · Tool use · Episodic memory · Red-teaming
Clinical AI Survival analysis · Cox PH · DeepSurv · DeepHit · Chest X-ray classification · DICOM · FHIR R4
MLOps MLflow · Evidently AI · Drift detection · Model monitoring · A/B testing · SHAP explainability
Data Engineering Apache Airflow · Kafka · Redis · Apache Spark · dbt · SQL lineage · ETL/ELT
Cloud & Infra AWS (SageMaker · Redshift · S3 · CloudWatch) · Docker · FastAPI · PostgreSQL · SQLite
Security & Governance HIPAA · GDPR · ECOA / Fair Lending · PII detection & redaction · Differential Privacy · Data lineage · Audit logging · OWASP LLM Top 10

Certifications

  • AWS Certified Machine Learning – Specialty
  • AWS Certified Cloud Practitioner
  • GCP Professional Data Engineer
  • Snowflake SnowPro Advanced: Data Engineer
  • dbt Analytics Engineering Certification

Public Repositories

9 production-grade projects — all security audited, CI green.

Repo Description Stack
agentic-pipeline-healer LangGraph multi-DAG orchestrator · AST-level fixes · Slack Block Kit · SQLite audit log LangGraph · Airflow · FastAPI
chexpert-pathology-classifier DenseNet121 + EfficientNet-B4 · CheXpert 14-label benchmark · MC Dropout · Grad-CAM · ScoreCAM · DICOM PyTorch · pydicom · FastAPI
llm-safety-auditor 250+ adversarial attacks · 6 mutation strategies · OWASP LLM Top 10 · PDF audit report sentence-transformers · ReportLab
clinical-survival-analysis 6 models: KM · Cox PH · RSF · XGBoost · DeepSurv · DeepHit · competing risks · Aalen-Johansen CIF lifelines · scikit-survival · PyTorch
federated-credit-risk 3-institution Flower FedAvg · zero raw data sharing · model poisoning guard · ECOA audit Flower · PyTorch · FastAPI
differential-privacy-llm DP-SGD from first principles · Rényi DP budget accounting · privacy-utility tradeoff dashboard PyTorch · Opacus · FastAPI
kafka-stream-feature-store Kafka → Redis · sub-60s freshness · JSON serialization · FastAPI serving layer Kafka · Redis · FastAPI
sql-to-dag-compiler Oracle SQL/PLSQL + dbt → Airflow 2.x DAGs · Mermaid/DOT lineage export sqlparse · Jinja2 · Airflow
sign-language-translator MediaPipe + PyTorch ASL recognition — 96.7% accuracy · real-trained CNN · 75 tests MediaPipe · PyTorch · OpenCV

Full Project Portfolio

Clinical AI

Project Description Stack
chexpert-pathology-classifier CheXpert benchmark: DenseNet121 + EfficientNet-B4 · 14-label · Grad-CAM + ScoreCAM · MC Dropout · DICOM · clinical report generator PyTorch · pydicom · FastAPI
clinical-survival-analysis 6-model comparison: KM · Cox PH · RSF · XGBoost survival · DeepSurv · DeepHit · competing risks · NCCTG + GBSG2 + synthetic ICU lifelines · scikit-survival · PyTorch
medical-imaging-ai Chest X-ray pathology detection · Grad-CAM + ScoreCAM · EfficientNet-B4 · DICOM pipeline · PHI scrubbing PyTorch · pydicom · Streamlit

LLMOps & Generative AI

Project Description Stack
legal-case-rag Hybrid RAG over 10 landmark federal court cases — FAISS semantic + TF-IDF keyword + α-weighted fusion; NDCG@5 eval dashboard proving hybrid beats pure semantic FAISS · scikit-learn · LangChain · Streamlit
on-device-llm-optimizer KD pipeline: Phi-3 Mini 3.8B → 1B student on Apple Silicon (MLX); INT4 quant + CoreML export targeting iPhone Neural Engine; 7.6× compression MLX · coremltools · Streamlit
adaptive-cognitive-rag RAG that adapts explanation depth to real-time cognitive load; persistent knowledge graph FAISS · networkx · Streamlit
clinical-note-llmops HIPAA: Presidio PII scrubbing → spaCy NER → ICD-10 extraction → FHIR R4 spaCy · FastAPI · presidio
finance-llmops-platform RAG over SEC 10-K + earnings calls with hallucination grounding & MLflow versioning LangChain · Evidently · MLflow
prompt-ops Git-style LLM prompt versioning with A/B testing and chi-squared significance FastAPI · sentence-transformers
llm-safety-auditor 250+ auto-generated adversarial attacks · 6 mutation strategies · OWASP LLM Top 10 scoring · PDF audit report sentence-transformers · ReportLab
rag-memory-bank Episodic long-term memory for RAG agents — FAISS + recency-decay re-ranking FAISS · spaCy · SQLite
differential-privacy-llm DP-SGD from first principles · Rényi DP budget accounting · privacy-utility tradeoff dashboard PyTorch · Opacus · FastAPI
llm-code-archaeologist LLM mines git history for intent classification, tech debt scoring, commit clustering GitPython · KMeans · Plotly

ML Systems & Data Engineering

Project Description Stack
sql-to-dag-compiler Oracle SQL/PLSQL + dbt models → Airflow 2.x DAGs · edge-case handler · Mermaid/DOT lineage export sqlparse · Jinja2 · Airflow
kafka-stream-feature-store Real-time feature store: Kafka → Redis, sub-60s freshness, FastAPI serving layer Kafka · Redis · FastAPI
agentic-pipeline-healer LangGraph agent monitors N Airflow DAGs · diagnoses failures · AST fixes · Slack alerts · SQLite audit log LangGraph · Airflow · AST
ml-fairness-audit ECOA/Fair Lending bias detection, SHAP explanations, automated PDF audit report fairlearn · SHAP · ReportLab
federated-credit-risk 3-institution federated training · zero raw data sharing · model poisoning guard · ECOA compliance Flower · PyTorch · FastAPI
evidently-llm-sentinel Extends Evidently AI to LLM outputs: semantic drift + hallucination risk scoring Evidently · Grafana
redshift-wlm-optimizer XGBoost predicts query cost, auto-routes to WLM queue with SHAP explanations XGBoost · SHAP · FastAPI
etl-lineage-graph Column-level SQL lineage via CTE-aware parser + interactive networkx graph sqlparse · networkx · Plotly
healthcare-claims-anomaly Insurance fraud: Isolation Forest + Autoencoder ensemble with SHAP explainability PyTorch · SHAP · FastAPI
icu-mortality-predictor 30-day ICU mortality from first-24h vitals + labs; XGBoost + SHAP; MIMIC-III pipeline (private — pending data access) XGBoost · SHAP · Optuna · FastAPI
sepsis-early-warning Sepsis-3 early warning: BiLSTM on 6h rolling windows + Kafka streaming; MIMIC-III pipeline (private — pending data access) PyTorch · LSTM · Kafka · FastAPI
hospital-readmission-predictor 30-day readmission: BioBERT + XGBoost hybrid; fairlearn equity audit; PDF reports (private — pending data access) BioBERT · XGBoost · fairlearn · ReportLab

AI Research & Cognitive Systems

Project Description Stack
cognitive-load-adaptive-ai Keystroke dynamics → real-time cognitive load → adaptive LLM response verbosity RandomForest · FastAPI
regulatory-compliance-copilot Policy gap RAG across 5 compliance domains, risk scoring, remediation roadmap FAISS · ReportLab · Streamlit
ml-drift-monitoring PSI + KS test drift detection with automated statistical retraining gates scikit-learn · Evidently
mlops-retraining-pipeline Welch t-test + chi-squared gates → drift-triggered automated model retraining Airflow · MLflow · FastAPI

Domain Showcases

Project Description Stack
flight-ops-intelligence ML delay predictor · Open-Meteo live weather · real-time FastAPI endpoint · Folium route risk map XGBoost · FastAPI · Folium
high-traffic-ticket-engine Redis Lua atomic inventory, 10K concurrent users, zero oversell guarantee Redis · FastAPI · Kafka
sign-language-translator MediaPipe + PyTorch ASL recognition — 96.7% accuracy · real-trained CNN · 75 tests MediaPipe · PyTorch · OpenCV
stellar-birth-chart Keplerian orbital mechanics: precise planetary positions for any birth date/location Skyfield · Plotly · Streamlit
ocean-sail-navigator Dijkstra over lat/lon grid + J/24 polar diagram + storm-avoidance routing networkx · Folium · SciPy
music-mood-engine librosa audio features → UMAP → KMeans mood clusters → playlist recommender librosa · UMAP · scikit-learn
ant-colony-intelligence ACO for TSP, pheromone stigmergy simulation, quorum sensing model numpy · networkx · Streamlit
microbial-world-simulator Monod kinetics, phage Lotka-Volterra ODE, Steele algae photoinhibition model scipy · matplotlib · Streamlit
dayton-air-quality-intelligence SARIMA AQI forecasting + calendar effects (holidays = -25% PM2.5) + Folium hotspot map statsmodels · Folium · Streamlit
dayton-airport-analytics DAY airport: airline rankings, delay cause breakdown, passenger heatmap, route map pandas · Folium · FastAPI
ocean-health-monitor Ocean plastic biomagnification through marine food web + OHI scenario projections to 2050 networkx · scipy · Folium
human-embryo-genetics Mendelian inheritance engine, 40-week developmental timeline, sex determination model numpy · plotly · Streamlit
9 featured public repositories above · remaining repos available on request · LinkedIn · Portfolio

Popular repositories Loading

  1. sql-to-dag-compiler sql-to-dag-compiler Public

    Oracle SQL/PLSQL + dbt models → Airflow 2.x DAGs with lineage export (Mermaid/DOT/JSON), edge-case handler, dbt model parser

    Python

  2. kafka-stream-feature-store kafka-stream-feature-store Public

    Real-time ML feature store: Kafka → Redis pipeline, sub-60s freshness, JSON serialization, FastAPI serving layer with rate limiting

    Python

  3. federated-credit-risk federated-credit-risk Public

    3-institution federated credit risk via Flower FedAvg — zero raw data sharing, model poisoning guard, gradient clipping, ECOA compliance

    Python

  4. agentic-pipeline-healer agentic-pipeline-healer Public

    LangGraph agent monitors Airflow DAGs, diagnoses failures, applies AST-level fixes — Slack alerts, SQLite audit log, multi-DAG orchestration

    Python

  5. clinical-note-llmops clinical-note-llmops Public

    HIPAA clinical NLP pipeline: Presidio PII scrubbing → BioBERT NER → ICD-10 extraction → FHIR R4 output, audit logging, FastAPI

    Python

  6. llm-safety-auditor llm-safety-auditor Public

    LLM red-teaming: 250+ adversarial attacks via 6 mutation strategies, OWASP LLM Top 10 scoring, PDF audit report generation

    Python