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Senior Data Scientist - AI Research & Reliability 

GongTel AvivEngineering
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Salary
Not listed
Job type
Full-time
Posted
13 Aug 2026
Status
Open · checked 7d ago

About this role

This Senior Data Scientist position is located at Gong in Tel Aviv, focusing on AI Research and Reliability to transform revenue team operations. The role suits an experienced machine learning professional with a strong academic background who enjoys tackling complex, ambiguous problems in a hybrid work environment.

Role Overview

As a Senior Data Scientist on the AI Research & Reliability team, the successful candidate acts as a technical leader working with cutting-edge large language models, natural language processing, and machine learning. This role involves partnering closely with Product, Engineering, and fellow data scientists to spearhead the architecture, evaluation, and deployment of enterprise-grade artificial intelligence capabilities at scale.

Key Responsibilities

Own the artificial intelligence technical strategy by translating business needs into scalable solutions, establishing agent architectures, and defining long-term technical visions.
Architect, build, and optimize complex sub-agents, tool-use mechanisms, retrieval systems, and memory architectures for AI agents.
Pioneer novel natural language processing and large language model methodologies to analyze large unstructured conversation datasets and capture deep intent.
Build robust and scalable Python pipelines for proprietary dataset creation, model training and fine-tuning, and production-grade integrations.
Mentor junior and mid-level data scientists while establishing rigorous experimental frameworks and technical standards.

Requirements

Master of Science or Doctor of Philosophy degree in an exact science field such as Computer Science, Mathematics, or Statistics.
Deep academic or applied background in natural language processing or machine learning.
Five or more years of industry experience in data science or machine learning with a proven track record of moving solutions to large-scale production.
Deep expertise in modern architectures, including advanced retrieval-augmented generation, fine-tuning, and agentic workflows.
Exceptional Python engineering skills and mastery of machine learning libraries.
Demonstrated ability to solve ambiguous problems autonomously and communicate complex concepts clearly to cross-functional teams.

Skills and Tools

Python
PyTorch
Large Language Models (LLMs)
Natural Language Processing (NLP)
LangChain
LlamaIndex
Retrieval-Augmented Generation (RAG)
Pandas, NumPy, and scikit-learn

About the Company

Gong helps over five thousand companies worldwide deeply understand their teams and customers, automate sales workflows, and close more deals. The organization operates on innovative products, ambitious goals, and passionate people who value transparency and trust. Employees are encouraged to express their personal identity, and the company provides equal opportunities alongside a flexible hybrid work model combining home and office environments.

How to Apply

Interested candidates should visit the official Gong careers page to review application details and submit their materials.

Skills and tech stack

Questions candidates ask

What is the location of the Senior Data Scientist role?

The position is based in Tel Aviv, Israel, with a flexible hybrid work model.

How many years of experience are required for this position?

Candidates must have 5+ years of industry experience in data science or machine learning.

What educational background is expected?

An M.Sc. or Ph.D. in an exact science field such as Computer Science, Mathematics, or Statistics is required.

What core technical skills are needed?

Key technical skills include Python, PyTorch, LLMs, NLP, LangChain, LlamaIndex, and advanced RAG architectures.

What are the primary responsibilities of this role?

Responsibilities include leading AI technical strategy, architecting agentic systems, pioneering NLP methodologies, building production-grade Python pipelines, and mentoring team members.

Ready to apply?

The application is on the official Gong careers page.

Apply on company site