cv

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Basics

Name Sajeeb Das
Label Privacy-Preserving & Multimodal AI Researcher
Email hi5.sajeeb@gmail.com
Phone +880 1537224180
Url https://hi5sajeeb.pages.dev/
Summary Researcher focused on Privacy-Preserving Machine Learning, Multimodal AI, Healthcare AI, and Edge-Efficient Systems. Experience spanning federated learning, multimodal transformers, LLM systems, and healthcare deployment pipelines.

Work

  • 2025.01 - Present
    Operations Analyst – LLM Systems for Healthcare RCM
    Commure
    Designed LLM-integrated validation systems for healthcare revenue cycle management.
    • Built LLM-integrated SQL validation pipelines for large-scale EHR claim adjudication.
    • Developed RAG-based internal agent using ChromaDB and pgvector for rule debugging.
    • Fine-tuned open-source LLMs with QLoRA.
    • Developed dashboards surfacing uncertainty patterns.
  • 2024.07 - 2025.01
    Research Assistant – Multimodal & Federated Healthcare AI
    Port City International University
    Developed multimodal medical AI systems and federated healthcare analytics.
    • MRI/CT segmentation (>95% Dice).
    • CLIP-augmented radiology report generation.
    • Federated learning with secure aggregation.
    • RFID + MQTT assistive system.
  • 2023.07 - 2024.06
    Research Assistant
    National Institute of Technology, Rourkela
    Low-resource NLP and distributed learning.
    • Improved BLEU by 35%.
    • Built federated fine-tuning pipelines with differential privacy.
    • Designed BM25 + seq2seq RAG systems.
  • 2023.05 - 2023.08
    Software Engineer Intern (QDSP Team)
    Qualcomm
    Optimized inference efficiency and energy profiling.
    • Built inference-per-watt benchmarking framework.
    • Layer-level latency & memory profiling.
    • INT8/FP16 quantization experiments.

Volunteer

  • 2021.01 - 2023.01

    Online, Bangladesh

    Instructor
    Chittagong Junior Coders
    Volunteered teaching programming to school students.
    • Taught C programming.
    • Helped build early coding skills.
    • Community collaboration.

Education

  • 2020.01 - 2024.06

    Odisha, India

    B.Tech
    National Institute of Technology, Rourkela
    Computer Science and Engineering

Awards

Certificates

IELTS
British Council 2024-01-01
GRE
ETS 2024-01-01

Publications

Skills

Programming Languages
Python
C++
SQL
Git
Bash
LaTeX
Privacy & Distributed Learning
Federated Learning
Secure Aggregation
Differential Privacy
Flower
Multimodal & Foundation Models
Transformers
Vision Transformers
CLIP
RAG
FAISS
ChromaDB
pgvector
Optimization & Deployment
PyTorch
OpenNMT
QLoRA
INT8/FP16 Quantization

Languages

English
Fluent
Bengali
Native
Hindi
Professional proficiency

Interests

Research in AI/ML
Privacy-Preserving ML
Multimodal AI
Healthcare AI
Teaching & Community
Code mentorship
Education outreach

Projects