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isha822/README.md

๐Ÿ‘‹ Hey, I'm Sanjana (an Undergrad ML Researcher)

Curious about the mechanics of intelligence | Bridging the gap between theory and robust open-source infrastructure.

I specialize in Deep Learning, Graph Neural Networks (GNNs), and Mechanistic Interpretability, building systems that scale from fundamental physics research to conversational AI.

๐Ÿ”— Currently Engineering

  • Mechanistic Interpretability: Diagnosing structural hierarchy in transformer models. Using Sparse Autoencoders (SAEs) to isolate depth-tracking features and verify causality within neural activations via forward-pass hooks.
  • High-Energy Physics via GNNs: Developing progressive non-local Graph Neural Network pipelines for particle jet classification, pushing performance boundaries while optimizing for memory efficiency with O(N) scatter ops.
  • Agentic Long-Term Memory: Architecting multi-tier, asynchronous retrieval systems to bound context window growth and slash latency across thousand-turn LLM conversations.
  • Adversarial Audits & Fairness: Quantifying demographic disparities in predictive health metrics and auditing complex-valued neural beamformers against adversarial (FGSM) attacks to expose phase-blind vulnerabilities.

๐Ÿ› ๏ธ The Stack

  • Languages: Python (Advanced), C++ (Basics), Go (Basics).
  • Deep Learning & ML: PyTorch, TensorFlow, Scikit-learn, XGBoost, GNNs, LLMs & RAG, Time Series.
  • Libraries & Ecosystem: Pandas, NumPy, Matplotlib, NetworkX, TransformerLens, SAELens.
  • Infrastructure & Dev Tools: FastAPI, Qdrant (Vector DB), Git/GitHub, Jupyter, Groq LPU, REST APIs.

Python PyTorch TensorFlow Scikit-learn FastAPI C++

๐Ÿ† Proof of Work

  • Scientific Ecosystem Contributor: Actively engineering features for global open-source libraries used in neuroinformatics, ecology, and astronomy.
  • Algorithmic Implementation: Built mathematical functions for spatial plotting, complex kinematics (turning angles, path sinuosity), and absolute feature selection estimators.
  • System Reliability: Resolved critical missing-data semantics, patched downstream failures via early input validation, and stabilized CLI error handling in large-scale codebases.
  • Competitive ML: Top-tier finalist in a global hackathon for long-term conversational memory, achieving massive speedups over sequential retrieval systems.

โš™๏ธ Systems & Philosophy

Deep Learning Enthusiast | Open-Source Advocate | Minimalist Programmer
I build for interpretability, mathematical rigor, and real-world impact. Always exploring the latent space, squashing bugs, and reimagining what's possible with a GPU.

Let's connect, collaborate, or just nerd out about loss functions.


Sanjana's Contribution Graph

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  1. neurohack_test neurohack_test Public

    Python

  2. movement movement Public

    Forked from neuroinformatics-unit/movement

    A Python toolbox for analysing animal body movements across space and time

    Python

  3. roshnitiwari1520/femfit roshnitiwari1520/femfit Public

    Bias-Corrected Health Tracking Engine for Women

    Python

  4. GSoC-2026-ML4SCI-Jet-Classification GSoC-2026-ML4SCI-Jet-Classification Public

    Jupyter Notebook

  5. phase-blind-gat phase-blind-gat Public

    Adversarial vulnerability analysis of complex-valued GAT beamformers for MU-MISO networks [Lu et al., IEEE 2025]

    Jupyter Notebook

  6. sae-structural-steering sae-structural-steering Public

    A mechanistic interpretability pipeline using SAELens to audit structural hierarchy in GPT-2 and evaluate induced model failure modes via targeted feature steering.

    Jupyter Notebook