Surveying System by UNICEF
An online surveying system

Project overview
Surveying System by UNICEF is An online surveying system Build and improve the surveying system for UNICEF Built with high standards for performance, security, and intuitive user experiences, the platform is engineered to support mission-critical workflows and seamless scale.
What made this project challenging
Collecting mission-critical public health and sanitation data across remote, disconnected villages
Supporting complex conditional logic survey questionnaires with multi-language voice prompts
Ensuring tamper-proof data validation with GPS location verification and time-stamped entries
Aggregating field survey data into national-level epidemiological dashboards for policymakers
How we delivered
Engineered offline mobile survey application capable of storing weeks of field data locally
Built dynamic questionnaire builder with conditional skips, skip logic, and validation constraints
Integrated GIS mapping tools for geospatial analysis of water quality and healthcare access
Developed interactive analytics dashboard visualizing disease outbreaks and resource allocations
Key outcomes
Over 500,000 field surveys completed across 12 countries
Zero data loss in low-connectivity remote regions
Reduced survey data compilation time from months to hours
Directly informed UNICEF humanitarian aid distribution
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