A Talend developer works with enterprise and product architects, program owners, and engineers to bring big data projects into production. Responsibilities include designing, developing, and documenting Talend ETL processes, technical architecture, data pipelines, and performance scaling using tools to integrate Talend data and ensure data quality in a big data environment. You administer Talend software for large-scale data integration and advise and support each client along the way. Other duties include informing source system owners of any data quality problems, performing data requirements analyses, assisting with data flow, data mapping, and more.