02 / 06 —— Backend Systems

    Enterprise Data Pipeline

    PERN data platform

    Scalable PERN stack solution with Prisma ORM, handling millions of records with automated ETL processes and real-time analytics.

    Role

    Backend Developer

    Type

    Data Pipeline

    Status

    Delivered

    Availability

    No public link listed

    Backend Systems

    Enterprise Data Pipeline

    PERN data platform

    PostgreSQLExpressReactPrismaDocker
    Overview

    A PERN data platform ingesting and transforming millions of records daily, with real-time analytics and a typed API on top.

    My role

    Designed the ETL flows, PostgreSQL schema and Express API layer, plus containerised the whole stack for consistent deploys.

    The problem

    The client's data sat in disconnected systems. Every report was a manual copy-paste job and nobody trusted the numbers.

    What I built
    • Automated ETL pipelines in Node.js
    • PostgreSQL schema designed for reporting
    • Real-time analytics dashboard
    • Typed API with Prisma
    Key features
    Automated ETL pipelines for data transformationReal-time analytics dashboard with RechartsRole-based access control and audit loggingHorizontal scaling with load balancingComprehensive API documentation with Swagger
    Technology stack
    PostgreSQLExpressReactTypeScriptPrismaDockerRedisGraphQL
    Implementation details
    • Queries are tuned and partitioned so the API stays sub-second under load.
    • Row-level access control keeps tenants' records isolated.
    Outcome

    Deployed and running for the client. Verified usage figures aren't public, so the shipped system is what I can honestly show.

    Links

    No public demo or repository is listed for this project. If you'd like to know more, get in touch.

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