Web App Developer

Web App Developer Opportunity in Lusaka, Zambia

S4D CONSULTING LLC invites applications for a skilled Web App Developer to join our team in Lusaka, Zambia. This role is a key part of our digital health initiatives supporting the Ministry of Health Zambia. We are focused on advancing data-driven decision-making through innovative digital platforms, and this position offers a unique chance to contribute to impactful web app developer jobs in Lusaka.

About S4D CONSULTING LLC and the Role

Systems for Development (S4D) Consulting is a US-based IT consulting and digital transformation firm with operational branches across Africa, including Zambia. We specialize in delivering sustainable ICT solutions that enhance organizational efficiency and decision-making. Currently, we are developing the National Digital Health Intelligence Center (NDHIC) in Zambia, a platform designed to integrate and visualize health data to improve sector-wide outcomes.

The Web App Developer will lead the build-out of the Predictive Stock Intelligence Engine (PSIE) application layer, translating UI designs into a robust, production-ready web application. This includes integrating machine learning model endpoints and managing deployment infrastructure.

Key Responsibilities for Web App Developer Jobs in Lusaka

• Application Development: Develop dashboards, alert panels, and reporting interfaces from approved wireframes, featuring interactive visualizations such as stock-out risk indicators, trend lines, heat maps, and geographic drill-downs.
• User Experience: Implement user workflows including filtering, drilldowns, threshold-based alerting, commodity segmentation, and export options (PDF, Excel).
• Role-Based Access: Create navigation and views tailored to user profiles like supply chain planners, pharmacists, and warehouse managers.
• API and ML Integration: Connect front-end components with REST APIs delivering stock-out risk predictions and redistribution recommendations, handling real-time data refresh and error states gracefully.
• Infrastructure & Deployment: Manage hosting environments (cloud, on-premises, or hybrid), configure CI/CD pipelines, implement security protocols including authentication and role-based access control (RBAC), and monitor application performance.
• Collaboration & Documentation: Work closely with data and ML engineering teams, participate in user acceptance testing with Ministry of Health stakeholders, and produce comprehensive technical documentation and training materials.

Required Qualifications

• Minimum 4 years of professional experience in web application development.
• Proficiency in modern front-end frameworks such as React, Vue, or Angular, with experience in building data-intensive dashboards and visualizations.
• Experience with data visualization libraries for charts, maps, and interactive analytics.
• Strong skills integrating front-end applications with REST APIs and managing asynchronous data flows.
• Hands-on experience deploying and maintaining applications in cloud, on-premises, or hybrid environments.
• Familiarity with containerization, container orchestration, and CI/CD pipelines.
• Proven ability to implement authentication and RBAC in web applications.
• Understanding of responsive design, accessibility standards, and cross-browser compatibility.

Preferred Qualifications

• Experience in health systems, public health informatics, or supply chain analytics.
• Familiarity with consuming ML model endpoints and surfacing predictions in user interfaces.
• Knowledge of data platform architectures such as medallion or lakehouse patterns.
• Previous engagement with government or multilateral stakeholders in Sub-Saharan Africa.
• Experience supporting user acceptance testing and adapting solutions based on stakeholder feedback.

Key Competencies

• Ability to convert design mockups into pixel-perfect, high-performance interfaces with minimal supervision.
• Comfort working across front-end development, API integration, and infrastructure deployment.
• Excellent communication skills to clearly explain technical decisions to non-technical audiences.
• Self-motivated and capable of working effectively within a distributed, small team.
• Pragmatic technology approach focused on reliability and operational context rather than novelty.
• Platform-agnostic mindset adaptable to various hosting environments.

Application Process

Interested candidates should submit their CVs to hrmanagement@s4dconsulting.com by the close of business on Friday, May 22, 2026. Applications must include references to specific projects or platforms that demonstrate the required technical expertise. Only candidates meeting the technical prerequisites will be considered.

Shortlisted applicants will be invited to complete a technical assessment prior to the interview stage.