About David
AI Engineer & Backend Architect, je conçois et déploie des systèmes backend data-driven et IA-first, de la conception à la mise en production.
Spécialisé en LLM, APIs backend (FastAPI), architectures cloud et pipelines de données, j’aide les équipes à transformer des idées complexes en produits robustes, scalables et sécurisés.
À l’aise aussi bien sur la recherche appliquée que sur le développement production, je privilégie des solutions pragmatiques, performantes et orientées impact.
Hebrew
Native or bilingual
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- stealth-mode startupAI Engineer & Backend Architect (Freelance)January 2025 - Today (1 year and 5 months)○ Co-founded a stealth-mode startup and architected a production-grade AI-powered WhatsAppcustomer-service and ordering platform, built with FastAPI and large language models, and deployed for paying clients.○ Designed and implemented stateful, multi-agent workflows with external API integrations,reducing reliance on human support.○ Led end-to-end development: system architecture, backend implementation, cloud deployment, and ongoing optimization.
- The Hebrew University of Jerusalem, School of Computer Science and EngineeringDoubleYou (W)January 2025 - July 2025 (6 months)○ Winning project of the 2025 HUJI Hackathon.○ Developed an LLM-centric system that maintains contextual awareness over a user's personaldata.○ Built a mobile application allowing users to select a backend host and interact with thesystem to request summaries and insights.○ Implemented support for running local LLMs to enhance data privacy and security, alongsidesecure backend ingestion and storage of structured user data, including health, location,contacts, and calendar information.
- Hebrew University of JerusalemTeaching Assistant – Nand2Tetris & DatabasesJanuary 2024 - Today (2 years and 5 months)○ Provided lab support and weekly guidance to students in systems and database courses.○ Evaluated exams and assignments, ensuring accurate grading and constructive feedback.
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Education
- M.Sc. in Computer ScienceThe Hebrew University of Jerusalem, School of Computer Science and EngineeringResearch :Machine learning, representation learning, and large language model–based methods for structured mathematical data, with a focus on graph-based representations
- B.Sc. in Computer Science and Physics (Dual Major)The Hebrew University of Jerusalem, School of Computer Science and Engineering2024Core Courses: Algorithms, Python, OOP, OS, Machine Learning , Quantum Mechanic