Ab Initio Developer Northampton - expected 2-3 days on site each week 6-12 months Umbrella Only Job description: Design, develop, and maintain ETL solutions using Ab Initio (Graphical Development Environment, Co>Operating System, EME, and Conduct>It). Integrate data from multiple heterogeneous sources into unified, high-quality datasets. Perform performance tuning, debugging, and optimization of existing ETL processes. Implement data quality, validation, and error-handling frameworks. Collaborate with architects and DBAs on data modeling, pipeline design, and environment setup. Participate in code reviews, technical documentation, and adherence to best practices. Work in Agile/Scrum environments, supporting release planning and production deployment. Mentor junior developers and provide technical guidance to the wider data team. Ensure compliance with data governance and security standards. Strong knowledge of Ab Initio components - Graphs, Plans, Continuous Flows, Conduct>It, Express>It, Metadata Hub, and PDL. Hands-on experience with SQL, Unix/Linux shell scripting, and data warehouse concepts. Familiarity with big data ecosystems (Hadoop, Hive, Spark) and cloud platforms (AWS, Azure, GCP) is a plus. Proven ability to troubleshoot complex ETL jobs and resolve performance issues. Experience working with large-scale datasets and enterprise data environments. Experience in the banking, financial services domain preferred. Exposure to CI/CD pipelines and DevOps tools for ETL automation. Knowledge of Ab Initio Control Center (AICC) and Metadata Hub advantageous. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!