Citi is looking for a ETL Developer to design and deliver enterprise-scale data integration solutions that keep critical reporting and analytics capabilities running reliably across a global financial institution. In this role, you will take ownership of end-to-end ETL development using Ab Initio, set the standard for data quality and governance practices, and work directly with stakeholders across the business to translate complex requirements into production-grade pipelines. This is a high-impact position for a technical specialist who wants to solve meaningful data challenges at scale within a collaborative, performance-driven environment.Responsibilities<ul><li>Design, develop, and tune highly scalable ETL processes using Ab Initio — including GDE, EME, Co>Operating System, Conduct>IT, and Continuous Flows — to ensure reliable and efficient data integration across the organization.</li><li>Build and deploy robust data integration solutions that streamline data flows between source systems and downstream reporting and analytics platforms.</li><li>Write and tune advanced SQL and PL/SQL queries against Oracle and relational databases to support accurate and performant data processing.</li><li>Drive data governance and data quality best practices across the integration landscape, ensuring accuracy, consistency, and reliability of data assets.</li><li>Oversee code migration, version control, and environment infrastructure setups including private and public sandboxes and EME permissions management.</li><li>Translate functional requirements from business stakeholders, data architects, and project managers into clear and implementable technical specifications.</li><li>Investigate, analyse, and resolve L2 production issues, maintaining the stability and continuity of live data pipelines.</li><li>Manage the full data application development lifecycle — from technical planning and feasibility assessment through to testing, implementation, and ongoing production support.</li></ul>Required qualifications & skills<ul><li>* Core Ab Initio Expertise: 6+ years of hands-on experience with Ab Initio GDE, Co>Operating System, Express>It, Conduct>It, and EME.* Database & SQL: Strong proficiency in writing and optimizing complex SQL queries in Oracle DB.* OS & Scripting: Strong working knowledge of UNIX/Linux operating systems and shell scripting (Bash, Korn shell).* Data Warehousing Concepts: Deep understanding of dimensional modeling, star/snowflake schemas, and enterprise data warehouse architectures.* Problem Solving: Demonstrated ability to troubleshoot job failures, resolve performance bottlenecks, and manage root-cause analysis in high-volume production environments.</li><li>Familiarity with CI/CD tools, version control (Git), and agile software development methodologies.</li></ul>Beneficial skills & qualifications<ul><li>Expertise in Large Language Models (LLMs) including OpenAI, Gemini, Claude, Llama, and local/open source models</li><li>Hands-on experience in Python for data ingestion, transformation.</li><li>Experience working with cloud-native data platforms or migrating ETL workloads from on-premise environments to modern data infrastructure.</li><li>Knowledge of data governance frameworks, metadata management practices, or data quality tooling within large-scale enterprise environments.</li><li>Familiarity with project management or consulting approaches applied in a technology delivery context.</li></ul>------------------------------------------------------<h2>Job Family Group: </h2>Technology------------------------------------------------------<h2>Job Family:</h2>Applications Development------------------------------------------------------<h2>Time Type:</h2>Full time------------------------------------------------------<h2>Most Relevant Skills </h2>Please see the requirements listed above.------------------------------------------------------<h2>Other Relevant Skills </h2>For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.

ETL Abinitio Developer

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