Senior Python Developer – Back Testing System

1 day ago

Tel Aviv, Tel Aviv, Israel Unilink Ltd. Full time ₪90,000 - ₪120,000 per year

Job Title: Senior Python Developer – Back Testing System

About the Role

We are seeking a highly skilled
Python Developer
to lead the development and technical implementation of a
Back Testing system for the Tel Aviv Stock Exchange Indices Department
. This system will play a critical role in designing and testing new index methodologies, enabling planners to define new rules, construct index compositions, and evaluate their feasibility through historical data simulations.

Key Responsibilities

  • Lead the development of a
    back testing and index planning engine, including user-facing UI.
  • Write detailed specifications and maintain high-quality technical documentation.
  • Design and implement complex processes using
    Python, leveraging Pandas, NumPy, and other core libraries.
  • Perform code reviews, assign tasks, and ensure best practices in software development.
  • Design efficient
    SQL Server
    schemas, indexes, and queries.
  • Apply
    OOP
    principles to ensure scalable, maintainable code.
  • Ensure
    secure coding
    standards and version control practices (
    Git
    ).
  • Collaborate with team members to deliver robust, production-ready solutions.

Requirements

  • Proven experience in
    Python development
    , with strong knowledge of
    Pandas
    and
    NumPy
    -
    Must
  • In-depth familiarity with
    Python infrastructure
    libraries and complex process development -
    Must
  • Strong
    SQL Server
    skills:
    schema design, indexing, and query optimization
    -
    Must
  • Solid understanding of
    OOP
    principles and
    design patterns
    -
    Must
  • Hands-on experience with
    Git
    and
    code reviews.
  • Track
    record of writing secure, high-quality code - Must
  • Strong analytical, systematic thinking, and ability to work in a team environment.
  • Excellent documentation and specification writing skills.

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