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Artificial or real intelligence?
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BryanBradfo/README.md

Hey 👋

CS + Math @ École Polytechnique

About Me

I am Bryan, a Computer Scientist. I am driven by the potential of machine learning to address complex challenges and create impactful solutions. Outside of work, I love traveling to explore new countries and cultures.

cat config/about_me.yml
metadata:
  name: Bryan Chen
  title: Machine Learning Engineer
  location: France 🇫🇷🇪🇺
  tagline: Engineering the intelligence in AI & Automating with it.

core_competencies:
  -
    area: Artificial Intelligence
    skills: [Deep Learning, Generative AI, Computer Vision, NLP, LLM, Responsible AI, Agentic AI]
  -
    area: MLOps & Data Engineering
    skills: [CI/CD, Docker, K8s, DVC, MLflow, ETL, Dashboard, GitHub Actions]
  -
    area: Software Engineering
    skills: [Python, Git, FastAPI, SQL, JAX, C++, C, Java, TypeScript/JavaScript, conda, uv]

career_highlights:
  - role: Machine Learning Engineer
    company: Iliad Group (Free & Scaleway)
    focus: Building production-level GenAI solutions and data pipelines.
  - role: Machine Learning Research Engineer
    institutions: [École Polytechnique, ENS Ulm, NUS, CNRS]
    focus: Advancing research in VLMs, model compression, and optimization.
  - role: Hackathon Winner
    achievements:
      - "1st/178 @ Inria Challenge (Mean Arterial Pressure Prediction)"
      - "2nd/338 @ MIT Hackathon (AI AgentOps Replay)"

personal_interests:
  - Traveling & Exploring Cultures
  - Languages
  - Gyoza Making
  - K-Pop Dancing
  - Open Source Contribution

philosophy:
  - "Strive for Excellence in everything."
  - "Low ego, high impact."
  - "Find joy in the process and the code."
  - "Commit to continuous learning and open collaboration."
wanna know more?

Work & Research Experiences

Role & Company Description & Key Contributions
ML Engineer @
Iliad Group
(Apr. 2025 - Oct. 2025)
At Iliad Group (Free / Scaleway) in Paris, I develop an image segmentation model in the GeoAI domain, build ETL data pipelines, and create insightful dashboards for directors and responsibles.
ML Research Engineer @

(Dec. 2024 - Apr. 2025)
At CMAP - École Polytechnique, I contributed to research on Improving Vision-Language Models (VLMs) by enhancing sparse attention selection mechanisms to boost few-shot classification performance. (See Report)
ML Research Engineer @
ENS Ulm
(Nov. 2024 - Feb. 2025)
At École Normale Supérieure (ENS) - Ulm, I extended the CoVR research papers by designing a novel loss function and MLP architecture to improve alignment between visual and textual embeddings for composed video retrieval. (See Paper)
ML Research Engineer @
NUS SoC!
(Mar. 2024 - Sep. 2024)
At the National University of Singapore (NUS), I created an efficient checkpointing fine-tuning scheme for Deep Neural Networks (DNNs) using Delta-LoRA + LC-checkpoint, achieving compression ratios up to 25x on models like ViTs, ResNets, VGGs, AlexNet, and LeNet. (See Code)
ML Research Engineer @
CNRS
(Jun. 2023 - Aug. 2023)
At CNRS in Toulouse, I developed an interactive optimization algorithm for a Constraint Satisfaction Problem (CSP), applying Neural Networks and Decision Trees and engineering techniques to improve IBM's CPLEX solution generation. (See Code)

Projects, Research & Presentations

Containerized Youtube Sentiment Analysis Retrieval-Augmented Generation (RAG) System HYGENE: Diffusion-based Hypergraph Generation
GitHub
GitHub
Paper
A full MLOps pipeline using Docker, GitHub Actions, DVC, and MLflow. A RAG system leveraging LangChain, FAISS, and Ollama for inference. Implemented hypergraph generation with diffusion models (AAAI), a project at Télécom Paris.
Groundwater Level Prediction Neural Graph Generation from Text Classifier-Free Diffusion Guidance (NeurIPS)
Report
Report
Report
A project with Hi!Paris & Inria to predict groundwater levels, which received an Honorable Mention. Developed a Neural Graph Generator to create complex graph structures from text at École Polytechnique. A paper implementation focused on jointly training conditional/unconditional diffusion models.
ImageNet-sketch Classification EuroSAT Image Classification Predicting Naturalness with Acoustic Indices
Report
Report
GitHub
Classifying sketch images with EVA-CLIP finetuned with an extra-MLP layer. Classify geospatial images with ResNet from the EuroSAT dataset. Used scikit-maad and VGGish to extract acoustic indices and apply ML models to find patterns and predict naturalness.
Presentation: Generative Recommender Systems Presentation: Unifying GANs & Diffusion
Slides
Slides
Presented TIGER, a method for generative retrieval of item IDs for recommender systems. Presented Score GAN & Discriminator Flow, a unified framework for GANs and Diffusion models.

Challenges & Hackathons

Mean Arterial Pressure Prediction Full-stack Agent-Agnostic Solution
Rank: 1st / 178
GitHub
Rank: 2nd / 338
GitHub
Achieved 1st place at the Inria challenge with a domain adaptation-aware model for Mean Arterial Pressure (MAP) prediction. Placed 2nd at the MIT Hackathon with a full-stack solution (LangGraph, FastAPI, Next.js) to trace and visualize AI agent interactions.

Open Source Contributions

Hugging Face Transformers Apple/Google (OTT-JAX) Responsible AI Blog (IP Paris)
PR
PR
Article
Updated model cards for the Swin Transformer, Swin V2, Pixtral & ShieldGemma 2 models to improve documentation. Authored a tutorial on Annealed Sinkhorn for the Optimal Transport Tools (OTT-JAX) library. Wrote a blog post analyzing the impact of knowledge distillation on model interpretability.

Additional Education​

Institution Status & Focus
Harvard University
Harvard University
CS50 Student
Completed renowned courses providing a robust foundation in Computer Science and AI (CS50x, CS50P & CS50AI).
Stanford University
Stanford University
Visiting Student
Followed world-class courses in Computer Science and Artificial Intelligence.

Looking forward to...

I'm always excited to take on new challenges in AI research and application. If you have an interesting project, a research idea, or just want to discuss the latest in tech, let’s connect! I'm open to collaborations and geeking out about all things AI :)

Feel free to explore my repositories! :)

Software Engineer

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  1. huggingface/transformers huggingface/transformers Public

    🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

    Python 152k 31k

  2. ott-jax/ott ott-jax/ott Public

    Optimal transport tools implemented with the JAX framework, to solve large scale matching problems of any flavor.

    Python 663 116

  3. responsible-ai-datascience-ipParis/responsible-ai-datascience-ipParis.github.io responsible-ai-datascience-ipParis/responsible-ai-datascience-ipParis.github.io Public

    HTML 1 48

  4. youtube-sentiment-mlops youtube-sentiment-mlops Public

    Analyzing YouTube comments sentiments. :)

    Python 2