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Citi Logo Citi · IT - Software Development

Junior Python Developer

Ireland, Dublin 57330.00 - 80270.00 EUR / Year · Job Posted May 16, 2026
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Job Description

We are looking for a motivated and detail‑oriented Junior Python / PySpark Developer to join our data engineering team. The ideal candidate will assist in developing, maintaining, and optimizing data processing pipelines using Python and PySpark, working closely with senior engineers and stakeholders to support analytics and data-driven applications.

Job Responsibility

  • Assist in the development, testing, and maintenance of Python applications and data pipelines
  • Work with Python data libraries such as Pandas and NumPy for data analysis, transformation, and validation
  • Support PySpark‑based data processing for large‑scale datasets under guidance from senior engineers
  • Write clean, efficient, and well‑documented Python code
  • Debug and fix issues in batch and data‑processing jobs
  • Participate in code reviews and follow best practices in performance and data handling
  • Collaborate with cross‑functional teams including data engineers, QA, and DevOps

Requirements

  • 2-5 years of relevant experience in the Financial Service industry
  • Intermediate level experience in Applications Development role
  • Consistently demonstrates clear and concise written and verbal communication
  • Demonstrated problem-solving and decision-making skills
  • Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
  • Bachelor’s degree/University degree or equivalent experience

What we offer

  • Hybrid working model (up to 2 days working at home per week)
  • Competitive base salary (annually reviewed)
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