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nixiieee/README.md

Hi, I'm Ksenia πŸ‘‹

ML Engineer / Data Scientist β€’ Speech & LLM Research


Bachelor's Degree in Applied Mathematics & Computer Science @ HSE University

Currently open to ML/DL, LLM, and research engineering opportunities.

I’m interested in building machine learning systems that combine strong research ideas with practical impact β€” especially in speech, audio, NLP, and multimodal AI.


πŸ’Ό Experience

🧠 Former Researcher @ HSE & VK

  • Researching speech enhancement with Mixture-of-Experts architectures
  • Conducted 20+ experiments on routing strategies, expert balancing, and noise-aware experts
  • Achieved PESQ 3.64, outperforming a previous SOTA baseline
  • Submitted a paper to Interspeech 2026

🏦 Former Data Scientist @ Alfa-Bank

  • Developed anti-fraud classification models on highly imbalanced data
  • Automated monitoring and anomaly detection workflows
  • Improved and scaled credit pipeline rules

πŸš€ Featured Projects

🎧 RAVEN

Research project on speech enhancement with Mixture-of-Experts and time-frequency modeling.

Russian speech emotion recognition system based on Whisper embeddings and deep learning models.

Semantic retrieval pipeline and encoder training for RAG applications.

πŸ–ΌοΈ Image Captioning

Deep learning project for automatic image caption generation.


πŸ› οΈ Tech Stack

ML / DL

PyTorch Transformers Scikit-learn CatBoost XGBoost

Data & Engineering

Python SQL PySpark PostgreSQL Hive

MLOps & Infrastructure

Docker MLflow Weights & Biases ClearML Git

Areas

ML in Speech/Audio Audio Processing NLP LLMs RAG

Pinned Loading

  1. DmitryRyumin/WAVES DmitryRyumin/WAVES Public

    Weighted Adaptive Variance-Aware Expert Selection for Speech Enhancement

    Python 3

  2. RAVEN RAVEN Public

    RAVEN: Recognition of Audio-Visual Emotional Nuances - a project on building multimodal emotion recognition system

    Jupyter Notebook 16

  3. whisper-emotion-classifier whisper-emotion-classifier Public

    An emotion classifier based on whisper architecture

    Jupyter Notebook 12

  4. reelrecs reelrecs Public

    A project on building movie recommendation system using neural networks

    Jupyter Notebook 11