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Zohar Nissare-Houssen

PROFILE

Zohar Nissare-houssen

Worked on end-to-end video and product search solutions across the vespa-engine/pyvespa and vespa-engine/sample-apps repositories, focusing on integrating Vespa with TwelveLabs and OpenAI APIs. Developed Jupyter notebooks and Streamlit applications that demonstrated hybrid semantic search, video embedding, and conversational agent workflows using Python and LangGraph. Enhanced onboarding and maintainability by refining example notebooks, improving output clarity, and updating documentation. Delivered cloud-ready deployment guidance and ensured alignment with evolving APIs, enabling reproducible, production-ready search experiences. Emphasized data engineering, backend development, and code refactoring to support advanced video retrieval and product discovery use cases in scalable, developer-friendly environments.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

17Total
Bugs
0
Commits
17
Features
6
Lines of code
18,398
Activity Months4

Work History

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for vespa-engine/pyvespa focused on improving the Video Search Example Notebook. The changes enhance clarity, maintainability, and onboarding for users exploring video search workflows in Pyvespa.

June 2025

3 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for vespa-engine/pyvespa focused on delivering notebook-driven enhancements for video search/retrieval workflows, aligning with latest API changes, and improving metadata accuracy and cloud-ready demonstrations.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for vespa-engine/sample-apps: Focused on delivering a feature-rich product search experience and preparing the groundwork for scalable deployment. Implemented Vespa-powered product search within a Streamlit app and integrated LangGraph agentic workflows to enable sophisticated conversational interactions and product discovery. The work includes setup instructions, API key configuration, and Vespa Cloud deployment guidance to accelerate onboarding and production readiness.

February 2025

12 Commits • 3 Features

Feb 1, 2025

February 2025 monthly summary focusing on delivering end-to-end video search capabilities and developer-ready samples across Vespa projects, with emphasis on business value and technical excellence.

Activity

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Quality Metrics

Correctness93.6%
Maintainability93.0%
Architecture90.0%
Performance85.8%
AI Usage34.2%

Skills & Technologies

Programming Languages

JSONJupyter NotebookMarkdownPythonTOMLVespa Schema

Technical Skills

API IntegrationBackend DevelopmentCloud DeploymentCode RefactoringConfigurationData AnalysisData EngineeringData IndexingData ProcessingDocumentationExample DevelopmentExample RemovalFull Stack DevelopmentJupyter NotebookJupyter Notebooks

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

vespa-engine/pyvespa

Feb 2025 Jul 2025
3 Months active

Languages Used

JSONJupyter NotebookPython

Technical Skills

API IntegrationBackend DevelopmentCloud DeploymentData EngineeringDocumentationExample Removal

vespa-engine/sample-apps

Feb 2025 Mar 2025
2 Months active

Languages Used

MarkdownPythonTOMLVespa Schema

Technical Skills

ConfigurationDocumentationFull Stack DevelopmentLangChainLangGraphOpenAI API