Freelancer profile translated to English.
Back to original languageAbout David
AI Engineer & Backend Architect, I design and deploy data-driven and AI-first backend systems, from design to production. Specialized in LLMs, backend APIs (FastAPI), cloud architectures, and data pipelines, I help teams transform complex ideas into robust, scalable, and secure products. Comfortable with both applied research and production development, I favor pragmatic, high-performance, and impact-oriented solutions.
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 WhatsApp customer-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 personal data.○ Built a mobile application allowing users to select a backend host and interact with the system to request summaries and insights.○ Implemented support for running local LLMs to enhance data privacy and security, alongside secure 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