An Immunoassay Development job involves designing, optimizing, and validating immunoassays for detecting specific biomolecules, such as proteins or antibodies, in biological samples. Professionals in this field work with techniques like ELISA, lateral flow assays, and chemiluminescence assays to develop sensitive and accurate diagnostic tests. Responsibilities often include reagent selection, assay troubleshooting, data analysis, and ensuring compliance with regulatory standards. These roles are critical in healthcare, biotechnology, and pharmaceutical industries for disease diagnosis, drug development, and biomarker research.