Legacy Core API Gateway
Modern API layer over a legacy core
JavaNode.jsPostgreSQLREST & GraphQL APIs
Year
2025
Duration
—
Sector
Enterprise
Project overview
Exposed a decades-old core system through a secured REST API layer so new mobile and web channels could be built without a rewrite.
NJS Digital Tech delivered this system end to end — architecture, engineering, data design and deployment — using Java, Node.js, PostgreSQL, REST & GraphQL APIs. A full technical case study for this engagement is available on request.
Request the detailed case study →Related enterprise projects
Planning something similar?
Our Dar es Salaam engineering team builds web platforms, mobile apps, AI features and database systems for clients across Tanzania, Africa and internationally.