Barcelona, Spain arnabdey0503@gmail.com
Curriculum Vitae
Education, experience, and achievements
Education
PhD in Computer Science (EU's Marie Skłodowska-Curie Fellowship)
2020 — 2024Université Côte d'Azur, Nice, France
- Led a pioneering project on the 3D reconstruction of the human body, focusing on real-time human biomechanics capture using deep learning and neural rendering techniques (NeRF, Gaussian Splatting).
- Published research findings in international conferences, contributing to the scientific community.
- Collaborated with academic partners at Brown University and industry partner Youdome in Monaco.
MSc in Computer Science and Engineering (Specialized in Artificial Intelligence)
2017 — 2020Politecnico di Milano, Milan, Italy
- Mastered AI, Machine Learning, Data Science, and Computer Vision through intensive, project-based coursework.
- Developed a robust analytical foundation in mathematics, probability, statistics, and critical thinking.
B.Tech in Computer Science & Engineering
2013 — 2017West Bengal University of Technology, Kolkata, India
- Final thesis on automated region selection in images based on visual saliency.
Experience
Senior Research Engineer
2025 — PresentUnith AI, Barcelona, Spain
- Developing next-generation real-time conversational 3D digital human avatars with lifelike interaction capabilities.
- Integrating large language models (LLMs), speech-to-text (STT), text-to-speech (TTS), and cutting-edge 3D avatar research to enable seamless real-time human–AI conversations.
- Tools: Python, GenAI, Gaussian Splatting, UV, Pydantic, AWS, and PyTorch.
Senior Machine Learning Engineer
2024 — 2025Haxion AI, San Francisco, United States — Remote from Spain
- Designed and deployed production-grade LLM pipelines, enabling real-time natural language interaction with complex 3D datasets.
- Developed an iOS mobile app using ARKit to capture 3D scenes using LiDAR and cameras.
- Developing a pipeline to generate 3D scenes along with their corresponding 3D features from videos.
- Delivered end-to-end prototypes to client-ready solutions, ensuring model validation and deployment feasibility.
- Tools: Python, GenAI, LLMs finetuning, VLMs, Gaussian Splatting, UV, Pydantic, FastAPI, AWS, and iOS.
Visiting Researcher
2022 — 2024Brown University, Providence, USA
- Key Contribution: Designed and executed algorithms for 3D human digitization using Neural Rendering techniques (e.g., NeRF, Differentiable Rendering), enhancing the quality of 3D human reconstruction.
- Optimization: Improved training performance for large-scale neural rendering models by implementing multi-GPU distributed AI pipelines, resulting in faster model convergence.
- Research Impact: Published peer-reviewed papers in CVPR conferences, contributing to the wider research community through the development of novel techniques in neural rendering.
Teaching Assistant
2022 — 2023Université Côte d'Azur, Nice, France
- Taught 3D Machine Vision to Master's students at Polytech Nice Sophia.
- Covered end-to-end pipeline: Azure Kinect DK, ROS Melodic, and real-time point cloud visualization in RViz.
Machine Learning Engineer
2020Next Industries S.R.L, Milan, Italy
- Developed and deployed machine learning models for wearable edge devices with a focus on motion gesture recognition in real-time, improving device accuracy and responsiveness.
- Collaborated with cross-functional teams including hardware and software engineers to align machine learning algorithms with business goals and product requirements.
Data Scientist Intern
2019 — 2020UniCredit Services S.c.p.a., Milan, Italy
- Automated and optimized financial processes using NLP and deep learning, resulting in a 40% reduction in manual processing time and a significant 30% in operational efficiency.
- Deployed NLP microservices in a distributed architecture aligned with data governance principles.
- Collaborated with product teams to deliver AI-driven features that improved the user experience, aligning with business goals and customer needs.
- Tools: Python, Spacy, OpenCV, GitLab, MLflow, scikit-learn, Docker, Kubernetes.
Skills
Core
Generative AI LLMs VLMs NLP Computer Vision Deep Learning RAG AI Observability
Languages
Python C++ Java SQL CUDA Matlab
ML/CV
PyTorch TensorFlow OpenCV Scikit-learn FastAPI Diffusers Hugging Face gRPC Pydantic
3D/Graphics
NeRF 3D Gaussian Splatting Differentiable Rendering ARKit LiDAR
DevOps
Docker GCP AWS CI/CD MLflow Kubernetes GitHub Actions
Awards
2025 — Claude Code in Action — Anthropic
2025 — GCP Fundamentals — Google Cloud
2022 — Best Poster Award — EuroGraphics 2022
2022 — Winner of E-Health Creathon — University Côte d'Azur
2020 — EU's H2020 Marie Sklodowska-Curie Fellowship
2019 — Official IOI Mobile Application Developer
Languages
English Proficient
Hindi Native
Bengali Native
Italian Beginner
Spanish Beginner
Affiliations