Yaakov Belch
AI Research Engineer - Context Engineering Specialist
Jerusalem,JM
Summary
Seeking to join an AI coding agent startup and solve the critical challenge of context engineering - transforming AI-generated code into production-ready solutions that understand system architectural constraints and domain requirements.
Overview
9
9
years of professional experience
Work History
Context Engineering Specialist
Self-funded R&D
10.2023 - Current
- Project Knowledge Graph solutions to solve context blindness in AI coding agents, preventing production failures caused by lack of architectural and domain knowledge
- Conducted 2+ years of self-funded R&D into LLM response accuracy across high-precision domains, converging on context management as the critical bottleneck
- Designed and implemented semi-functional Project Knowledge Graphs with immutable "snippet" nodes optimized for AI coding agents
Senior Data Scientist
Agoda (Booking Holdings)
10.2022 - 08.2023
- Enhanced ranking model performance by adding features to improve result relevance for global travel booking platform
- Conducted research in semantic understanding of travel intent to deliver more relevant recommendations
Senior Data Scientist - NLP
Feedvisor
12.2019 - 12.2021
- Applied semantic product and user query understanding to Amazon advertising, delivering substantial ACoS/RoAS improvements over performance-driven reinforcement models
- Led onboarding of company's largest customer, ensuring performance exceeded expectations without cold-start issues
- Achieved breakthrough results - customer feedback: "I haven't seen such RoAS numbers before"
Senior Software Engineer
Twiggle
12.2016 - 12.2019
- Built universal e-commerce ontology and NLP engine converting product descriptions/queries into structured data (near 100% search accuracy)
- Pioneered decision amplification process enabling single experts to efficiently guide crowd tagging projects
Education
Ph.D. - Pure Mathematics
University of Cambridge
Cambridge 04.2001 -
Skills
Core Expertise: Context Engineering Project Knowledge Graphs AI Agent Architecture Semantic Understanding
Programming: Python JavaScript/Nodejs Algorithm Design System Architecture Full-stack Development
AI/ML Technologies: LLMs Knowledge Graphs NLP Semantic Search Intent Recognition Model Optimization
Research: Independent R&D Technical Innovation Cross-domain Problem Solving Mathematical Modeling
Timeline
Context Engineering Specialist
Self-funded R&D
10.2023 - Current
Senior Data Scientist
Agoda (Booking Holdings)
10.2022 - 08.2023
Senior Data Scientist - NLP
Feedvisor
12.2019 - 12.2021
Senior Software Engineer
Twiggle
12.2016 - 12.2019
Ph.D. - Pure Mathematics
University of Cambridge
04.2001 -