Joao Constantino Muianga

Senior Health Data Engineer and Interoperability Specialist with 8+ years of experience designing, implementing, and scaling interoperable public health information systems across WHO and international organizations. Proven expertise in surveillance data harmonization, interoperability architecture, DHIS2 integration, API-driven data exchange, ETL/ELT pipelines, and automated reporting systems. Extensive experience supporting Ministries of Health in strengthening national surveillance, immunization, and emergency response information systems through metadata harmonization, data quality frameworks, and multi-source data integration. Skilled in designing scalable cloud and on-premise architectures, relational databases, workflow automation, and interoperability solutions aligned with global health standards. Strong technical background in Python, SQL, R, PostgreSQL, Azure, Docker, APIs, and health information exchange, with demonstrated experience collaborating with epidemiologists, surveillance officers, emergency response teams, and cross-functional stakeholders to translate operational needs into reliable, scalable systems.