Jallmar

Demonstrated experience with Angular.

Demonstrated experience with React.

Demonstrated experience with Next.js.

Demonstrated experience with TypeScript.

Demonstrated experience with TailwindCSS.

Develop and maintain an enterprise ERP using Angular, NestJS, Node.js, and MongoDB within a microservices-based architecture.. Build and integrate REST APIs across frontend and backend services, implementing business rules, validations, filters, and data management across sales, master data, finance, routing, and configuration modules.. Implement role-based and permission-based access control by securing NestJS endpoints and extending authentication guards to validate roles, custom permissions, and organizational scope.. Contribute to the Multi-Company architecture, adapting services and workflows to support users associated with one or multiple companies, including company-based filtering, authentication, and data migrations.. Develop reusable frontend components such as company selectors, company-aware columns, and dependent filters, while maintaining consistency between frontend and backend contracts.. Fix defects and perform regression testing across ERP modules to ensure business rules, validations, and workflows behave as expected.

Performed functional testing on ERP modules for automotive workshops, restaurants, and online stores.. Validated billing, inventory, orders, customer management, reports, business rules, calculations, and expected system behavior.. Identified, documented, and tracked defects while supporting regression testing.