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Sanif User

@sanifuser

Message

I build AI-powered web platforms and machine learning systems from data to deployment.

India

Message

I built ConvoPlacement, an AI-powered voice interview platform using the Gemini Live API and WebSockets for low-latency, bidirectional conversations. I designed its Firebase Firestore and Supabase PostgreSQL architecture, added resume-aware questioning, and built technical coding and stress interview modes.

I also develop end-to-end machine learning and data analysis projects, including a GTZAN music genre classifier that improved accuracy by 12% through hyperparameter tuning and cross-validation. My work spans Python, TensorFlow, PyTorch, FastAPI, Tableau, and data-driven customer segmentation.

Experience

Work history, roles, and key accomplishments

AI-Powered Voice Interview Platform Developer

ConvoPlacement

Jan 2026 - May 2026 (4 months)

Engineered a web mock interview platform using the Google Gemini Live API over WebSockets for low-latency, bidirectional voice conversation. Architected a hybrid database split using Firebase Firestore for real-time state tracking and Supabase PostgreSQL for persistent data analytics.

HTML CSS Vanilla.JS Firebase Supabase Gemini API WebSockets PostgreSQL

Music Genre Classification System Developer

Python

Feb 2025 - May 2025 (3 months)

Constructed a multi-class music genre classification system using the GTZAN dataset (1,000 audio tracks across 10 genres). Extracted audio features, including MFCCs and spectrogram representations for model training.

Python GTZAN Spectrograms Machine Learning data preprocessing Feature Engineering Hyperparameter Tuning Cross Validation

Exploratory Data Analysis on Online Retail Dataset

Python

Aug 2024 - Nov 2024 (3 months)

Performed comprehensive exploratory data analysis (EDA) on retail transaction data to identify revenue drivers and customer behaviour trends. Leveraged PCA for dimensionality reduction and K-means clustering for data-driven customer segmentation.

Python EDA PCA Tableau Matplotlib Data Visualization