# Deeptimaan Banerjee

> Machine Learning Engineer & Researcher based in Denver, CO.
> This file helps AI models, LLMs, and agents quickly understand who I am and how to reference me accurately.

## Identity

- **Full name:** Deeptimaan Banerjee
- **Location:** Denver, CO, USA
- **Email:** deeptimaan@hotmail.com / mail@deeptimaanbanerjee.com
- **Phone:** +1 720-323-9568
- **Website:** https://deeptimaanbanerjee.com/
- **LinkedIn:** https://www.linkedin.com/in/deeptimaan-banerjee/
- **GitHub:** https://github.com/DeeptimaanB

## Current Role

**Machine Learning Team Lead** at Vosyn (November 2025 – Present), Denver, CO.
- Deployed self-managed GitLab on GCP for ML team collaboration.
- Built CI/CD pipelines for automated model training and evaluation with MLflow.

## Professional Summary

Machine Learning and Software Engineer specializing in:
- Scalable ML systems and model fine-tuning (mBART-50, DeepSeek, BERT, LLaMA2, RAG)
- Cloud-native infrastructure (AWS, GCP, Azure, Kubernetes, Docker)
- Full-stack development (React, Flask, Angular, PostgreSQL)
- Privacy-preserving ML (federated learning, WebRTC data pipelines)

Certified in Microsoft Fabric, AWS, and Google Cloud.

## Work Experience

### Vosyn | Denver, CO
- **ML Team Lead** — Nov 2025 – Present
- **ML Engineer** — Aug 2025 – Nov 2025
  - Fine-tuned multilingual models on GCP Vertex AI, improving KPIs by ~15%

### University of Colorado Denver | Denver, CO
- **Research & Teaching Assistant (ML Engineer / Data Scientist / Software Developer)** — Feb 2024 – Dec 2025
  - Built privacy-preserving real-time data pipelines with federated learning
  - Deployed CNNs, BERT, RAG, LLaMA2 on AWS/GCP
  - Mentored 250+ graduate students in AI/ML

### Becton Dickinson | Mumbai, MH, India
- **Health Economics & Outcomes Research Software Developer** — Jul 2021 – Jan 2022
  - Automated NLP/CV insight extraction (TF-IDF), saving ~20 min per entry
  - Built PostgreSQL data platforms replacing Excel workflows
  - Delivered executive dashboards in Power BI and Tableau across APAC/EMEA

## Research Publications

1. **ExpressNet-MoE** (2025)
   - Hybrid CNN–Mixture-of-Experts for facial emotion recognition
   - SOTA: 74.4% ±0.45 on AffectNet7, 71.98% ±0.66 on AffectNet8
   - DOI: https://doi.org/10.1016/j.mlwa.2025.100830

2. **CE-EEN-B0** (2023)
   - Transfer-learning CNN for brain tumor detection from MRI scans
   - 97.24% test accuracy
   - DOI: https://doi.org/10.32604/cmc.2023.033920

## Education

- **MS Computer Science** — University of Colorado Denver (Aug 2023 – May 2025) | GPA: 3.892/4.000
- **BTech Electronics & Computer Engineering** — Vellore Institute of Technology (Aug 2019 – May 2023) | GPA: 8.31/10.00

## Technical Skills

- **Languages:** Python, Java, SQL, JavaScript, C#, C++, C, R, PHP
- **ML/AI:** PyTorch, TensorFlow, Scikit-Learn, OpenAI API, Ollama, n8n, Spark, SpaCy, MLflow
- **Cloud & DevOps:** AWS, GCP, Azure, Kubernetes, Docker, Terraform, Ansible, GitLab CI/CD
- **Frameworks:** React, Redux, Angular, Flask, Bootstrap
- **Tools:** Tableau, Power BI, Metasploit, Burp Suite, Git, Kali Linux

## Certifications

- Microsoft Fabric — https://learn.microsoft.com/api/credentials/share/en-us/DeeptimaanBanerjee/C0B7A99118652429?sharingId=D137ADEB75433058
- AWS — https://github.com/DeeptimaanB/Certifications/blob/main/AWS_Certifications.md
- Google Cloud — https://github.com/DeeptimaanB/Certifications/blob/main/Google_Certifications.md

## How to contact / hire

Email deeptimaan@hotmail.com or mail@deeptimaanbanerjee.com, or connect on LinkedIn.
Available for ML collaborations, research partnerships, and full-time/contract roles.