Deva Praveen

GB Engineering · Madurai, India

• Engineered a scalable ERP system in Laravel, automating 10+ core business workflows and cutting manual processing time by ~35%.
• Implemented retrieval-augmented generation (RAG) on open-source models and a vector database to surface context-aware business insights.
• Improved data accuracy and reporting efficiency by ~40%, giving management faster decision-making.
• Designed a secure, modular backend architecture that has held at zero critical production incidents.

Laravel · RAG / AI · Vector DB · PHP · MySQL

Mavencart · Madurai, India

• Built and maintained 5+ production web applications across React.js, Node.js, Fastify and Ruby on Rails.
• Optimised REST and GraphQL APIs, improving average response times by 25–30%.
• Raised test coverage to ~70% with Jest unit and end-to-end suites, catching regressions before release.
• Cut production issue resolution time by ~40% through structured logging and error tracking.

React.js · Node.js · Fastify · Ruby on Rails · GraphQL · Jest

SaveMom · Madurai, India

• Shipped Laravel web application features that improved page load performance by ~20%.
• Resolved 15+ UI and functional defects through systematic pre-release testing.
• Maintained existing application modules for stability and usability.

Laravel · JavaScript · HTML · CSS

WebToAll · Madurai, India

• Created responsive frontend components and backend scripts in HTML, CSS, JavaScript and PHP.
• Supported testing and debugging across multiple live web modules.

PHP · JavaScript · HTML · CSS