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Sayan Mukherjee

@sayanmukherjee1

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Machine learning Engineer। 1+ years of experience | Research intern @ IIT Mandi

India

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What I'm looking for

Job roles in different domains of AI

I have a strong foundation in machine learning and data science, with experience in building and deploying models to solve real-world problems. I’m skilled in key tools and frameworks, committed to continuous learning, and capable of transitioning projects from research to production, making me well-suited for roles in this field.

AI/ML: Deep Learning, Computer Vision, Natural Language Processing , Exploratory Data Analysis , Reinforcement Learning, Model Evaluation & Optimization ,Transformers, Large Language Models (LLMs), Retrieval Augmented Generation

• Frameworks & Tools: PyTorch, TensorFlow, OpenCV, Hugging Face, Scikit-learn, Numpy , Pandas, Langchain , Vector DBs

• Backend & APIs: Python, FastAPI, Flask, Django, MongoDB, SQL, RESTful API Design

• Deployment & DevOps: Docker, Google Cloud Platform (Cloud Run, Artifact Registry), Git, CI/CD pipelines.

Experience

Work history, roles, and key accomplishments

AI Engineer

Persistent Ventures

Jun 2025 - Nov 2025 (5 months)

Worked in a client-facing IT environment, handling both AI development and backend pipeline maintenance. Fine-tuned a
custom language model based on GPT 4o and 4o mini, significantly improving task-specific accuracy for various client
use cases.

fastAPI Backend Development ML LLM Processing LLM Python

Research Intern

IIT Mandi

Jan 2025 - Jul 2025 (6 months)

Spearheaded an iterative project employing reinforcement learning to filter foul language in subtitles.
experimenting with token masking, GPT-2, and BERT-based models for real-time offensive content prediction.
• Built a reinforcement learning setup with semantic and sequential loss to preserve sentence meaning and flow,
enabling lightweight token generation.

Artificial Intelligence Machine Learning Research Natural Language Processing