Purnima Lakkoju

Software Engineer I at CGV Technologies (2023-08 – 2026-04)

Supply Chain – Knowledge Graph

Designed and implemented a semantic layer for an enterprise Warehouse Management System.
Modeled warehouse, inventory, supplier, shipment, carrier, customer and logistics domains using RDF and OWL ontologies to establish a shared enterprise vocabulary.
Built Python ETL pipelines to transform relational warehouse data into RDF triples and populate an enterprise knowledge graph.
Developed SPARQL queries for efficient semantic data retrieval and used SHACL to validate ontology constraints and maintain data quality.
Implemented synchronization between relational database and the knowledge graph to keep semantic data aligned with transactional updates.
Designed a unified semantic model to integrate heterogeneous data sources, enabling consistent interpretation across systems.
Documented ontology design, architecture decisions, data mapping strategy and synchronization workflows following enterprise software engineering practices.
Built RESTful APIs using FastAPI to expose semantic knowledge for enterprise search, analytics, and AI applications, designing the platform to support future GraphRAG and AI-powered warehouse assistant integrations.

Software Engineer I at CGV Technologies (2023-08 – 2026-04)

Warehouse Management System (WMS) — Enterprise Software Development

Spearheaded the end-to-end development and deployment of enterprise Warehouse Management System (WMS) modules using Angular, Node.js, Express.js and DB2.
Improved UI performance through lazy loading, pagination and Angular route optimization, delivering faster page loads and better user experience.
Designed and implemented secure RESTful APIs using JWT authentication and role-based access control.
Modernized legacy IBM iSeries/RPG business workflows by migrating core functionality into scalable Node.js services and Angular applications.
Collaborated in Agile/Scrum teams and implemented CI/CD pipelines using GitHub Actions to accelerate software delivery.

Software Developer Intern at CGV Technologies (2023-02 – 2023-08)

Developed responsive and reusable Angular components for Warehouse Management System (WMS) modules using TypeScript, HTML, and CSS, following enterprise coding standards.
Integrated frontend applications with REST APIs to enable real-time warehouse operations and collaborated with backend teams to deliver production ready features.

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