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citi
17 May, 2026
Full Time
Java Developer (AVP)
citi Dublin, Ireland
The Java  Developer - Assistant Vice President  is a  hands-on technical role within Prime Services Technology, responsible for designing, developing, and maintaining robust, scalable, and high-performance applications. This position requires a comprehensive understanding of the full software development lifecycle and the Prime Services business domain to deliver effective technology solutions for Prime Brokerage, Equity Finance, Delta One, and other related business lines. Prime Services Technology provides business solutions to Prime Brokerage, Equity Finance, Delta One, Futures Execution and Clearing, and OTC Clearing businesses. This person will be a hands-on technologist who will work on different data pipelines and collaborate closely with Prime Business Analysts, Quantitative Analysts, Traders to understand requirements. The role involves developing new data pipelines with a strong focus on Java and Python, and enhancing existing applications. While the role provides...
citi
17 May, 2026
Full Time
Junior Python Developer
citi Dublin, Ireland
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. Responsibilities: 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...
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