PAHO Consultant - Software Engineer

OBJECTIVE OF THE OFFICE/DEPARTMENT

This is a requisition for employment at the Pan American Health Organization (PAHO)/Regional Office of the World Health Organization (WHO)

Contractual Agreement:

Non-Staff - International PAHO Consultant

Job Posting:

June 2, 2026

Closing Date:

June 12, 2026, 11:59 PM Eastern Time

Primary Location:

Off Site

Organization:

HIM Health Emergencies Information and Risk Assessment

Schedule:

Full time

PURPOSE OF CONSULTANCY

Organizational Context
The incumbent will serve as a Software Engineer within the Data Management, Analytics, and Products team of the Health Emergency Information Management and Risk Assessment (HIM) Unit of the Pan American Health Organization (PAHO/WHO). Under the broader framework of the PROTECT (Pandemic Response Optimization Through Engaged Communities and Territories) project, the consultant will provide technical expertise in the design, development, deployment, and continuous maintenance of digital tools that strengthen health emergency preparedness and response in the Region of the Americas. Work performed under this contract is complementary to, and coordinated with, the ongoing development of the Community-based Event-Based Surveillance (CEBS) mobile application and its core backend, focusing on the web administrative layer, cloud infrastructure operations, integration services, quality assurance, and country-level implementation support.

DESCRIPTION OF DUTIES:

Responsibilities

Under the overall supervision of the Head of the HIM Unit and the direct supervision of the Advisor, Data Management, Analytics, and Products, the consultant will produce the following deliverables:

Deliverable 1: Document describing the development and progressive refinement of the data model of the CEBS system within the context of the PROTECT project, including entity definitions, relationships, and database structure using MariaDB and SQLAlchemy. The document includes an entity-relationship diagram and reflects ongoing adjustments through versioned migrations.

Due date: 01 July 2026

Amount: $7,222.00

Deliverable 2: Document containing the development and consolidation of the operational data dictionary of the CEBS system as applied in the PROTECT project, describing fields, data types, relationships, and data sources, including ODK Central and external APIs. The document includes sample SQL queries and reflects iterative improvements in data structure definition.

Due date: 01 August 2026

Amount: $6,594.00

Deliverable 3: Document describing the implementation and continuous enhancement of backend API services of the CEBS system in support of the PROTECT project, using Flask and modular Blueprints, including endpoint definitions, request/response structures, and integration with the database and external services. The document reflects the progressive structuring and standardization of backend services.

Due date: 01 September 2026

Amount: $6,908.00

Deliverable 4: Document describing the implementation and refinement of authentication and security mechanisms of the CEBS system within the PROTECT project, including session management with Flask-Login, encryption routines, and role-based access control. The document outlines the evolution of applied security practices and access control strategies.

Due date: 01 October 2026

Amount: $6,908.00

Deliverable 5: Document describing the implementation and initial evolution of the ETL pipeline of the CEBS system for the PROTECT project, including data extraction from ODK Central APIs, transformation using pandas, and loading into MariaDB. The document reflects the structuring and early optimization of the data ingestion process.

Due date: 01 November 2026

Amount: $6,594.00

Deliverable 6: Document describing the continued enhancement of the ETL pipeline of the CEBS system as part of the PROTECT project, including data normalization, error handling, and performance improvements. The document captures the iterative refinement of data processing workflows.

Due date: 01 December 2026

Amount: $7,222.00

Deliverable 7: Document describing the development and improvement of data export functionalities of the CEBS system supporting the PROTECT project, including generation of structured Excel files using openpyxl. The document outlines the evolution of mechanisms enabling external data analysis and reporting.

Due date: 01 January 2027

Amount: $6,594.00

Deliverabl