DevJobs

Senior Data Scientist

Overview
Skills
  • Python Python ꞏ 5y
  • SQL SQL
  • Numpy Numpy
  • Pandas Pandas
  • data systems
  • databases
  • deep learning frameworks
  • LLMs
  • Scikit-learn
  • AI agents
  • APIs
  • graph technologies
  • network-structured data
  • production services
This role combines strong Data Science expertise with the ability to independently lead impactful, production-grade work in complex environment.

The role focuses on developing AI capabilities on top of complex data in a security product environment. It requires independent thinking, analytical rigor, curiosity, flexibility, and strong technical ability. It also requires leading work end-to-end, breaking down complex problems, conducting structured research, and collaborating effectively across teams.

Key Responsibilities

  • Lead Data Science initiatives from problem definition through validation, production deployment, and monitoring
  • Develop AI-driven capabilities, including, domain-adapted models, prediction, anomaly detection, classification and AI agents
  • Adapt and fine-tune LLM-based solutions
  • Break down complex problems into clear components and drive structured research and iterative development
  • Choose the right approach for each problem, starting from simple baselines and progressing to more advanced methods when needed
  • Design solutions with awareness of production constraints and system limitations
  • Help shape solution architecture
  • Work closely with product, engineering, and other stakeholders across the company
  • Present findings, ideas, and results clearly at different levels, from technical peers to managers
  • Support team knowledge sharing, brainstorming, and guidance of other team members

Requirements:

  • M.Sc. in Data Science, Operation research, Statistics, Mathematics, or a related quantitative field
  • At least 5 years of hands-on Data Science experience, delivering end-to-end solutions into production environments
  • Strong applied AI experience and deep understanding of model behavior in practice
  • Strong Python skills and experience with the modern Data Science ecosystem, including NumPy, Pandas, Scikit-learn, and deep learning frameworks
  • Good understanding of LLMs and model adaptation methods
  • Experience working with SQL, databases, and data systems
  • Strong problem-solving skills, analytical rigor, and ability to work independently
  • Excellent communication and teamwork skills
  • Curiosity, flexibility, and eagerness to continuously learn new techniques and technical skills

Advantage

  • Experience with graph technologies and network-structured data
  • Experience designing AI agents or multi-step reasoning systems
  • Background in network security, policy management, or compliance-related domains
  • Experience with production services, APIs, or integration of Data Science solutions into product environments
  • Experience developing solutions for enterprise environments with operational or architectural constraints
Tufin