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Malka S.
Bio
Highly motivated and detail-oriented professional with strong analytical thinking and quick learning abilities. Performs effectively under pressure, collaborates well within teams, and consistently approaches challenges with precision, responsibility, and professionalism.
Skills
Python
React
FastAPI
CUDA
Bootcamp Project
Advanced multi-stage RAG system for source-grounded answers
Mentored by: Mobileye
Data Science Bootcamp 2025 (Data)
Responsibilities:
Designed and implemented the user-specific indexing system, including the ability to create personal indexes and upload multi-format documents (PDF, DOCX, TXT). Developed the backend pipeline responsible for file processing, text extraction, normalization, and ingestion into OpenSearch.g the ability to create personal indexes and upload multi-format documents (PDF, DOCX, TXT). Developed the backend pipeline responsible for file processing, text extraction, normalization, and ingestion into OpenSearch.
Built a dedicated voice-processing server enabling audio-based queries. Integrated Whisper for speech-to-text transcription and connected the service to the chat interface, allowing users to submit questions directly via microphone.
Downloaded and processed the full Wikipedia dump to generate a clean, searchable default index. Implemented text extraction, cleanup, and JSONL generation to support large-scale indexing in OpenSearch.
esearch: Text-to-speech microservice using FastAPI and Coqui TTS for generating spoken answers from the chatbot.
Research: LoRA fine-tuning of Gemma-3-1B on HotpotQA to train a model that predicts relevant Wikipedia titles. Implemented dataset preparation, quantized model loading, SFT training, and an evaluation pipeline (precision/recall/F1).
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Additional Projects
Travel & Vacation Management System
Developed a full-stack web application for managing and booking organized and customized trips, featuring both user and admin interfaces. Built the backend using Node.js, Express, and MongoDB, implementing JWT authentication, file uploads with Multer, and automated emails using Nodemailer. Developed the frontend using React, Redux, and PrimeReact with user/admin dashboards.
Store Data Management API
Designed and implemented a multi-layered Web API for online store data management using ASP.NET Core (C#) and Clean Architecture. Created Controllers, Services, and Repositories, integrated Entity Framework Core with SQL Server, and applied DTOs and AutoMapper for layer separation. Integrated Swagger for full API documentation and implemented unit tests to ensure system reliability and maintainability.
English Level
Working Proficiency