Pankaj Kumar

Key Project:

• Royal Caribbean Cruise Lines (RCCL):
  Developed and maintained backend services for large-scale enterprise applications.

Responsibilities & Achievements:

• Designed and implemented Groovy scripts to handle bulk updates of stock, offerings, and associated category data.
• Developed multiple custom promotion conditions and evaluation logic, enabling complex discount and campaign scenarios.
• Built and optimized mass order cancellation and refund processing modules, significantly improving operational efficiency.
• Implemented Excel-based batch processing (custom and OOTB) to create and update large volumes of orders and stock data.
• Leveraged multi-threading to enhance performance of high-volume operations, such as stock updates and order creation from Excel files.
• Designed and integrated an email processing system for automated notifications and workflow triggers.
• Created a robust feature for bulk order cancellation, streamlining customer support operations and reducing manual workload.

Technologies Used:
Java, Microservices,Groovy, Spring Framework, Multi-threading, Email APIs, RESTful Services

Key Contributions:

• Developed and maintained backend features for enterprise clients such as Driven Brands and Monster Energy, focusing on scalability and seamless integrations.

Responsibilities & Achievements:

• Designed and implemented Cron jobs to automate order data transmission to the ERP system Sage, ensuring timely and accurate data synchronization.
• Worked extensively with Apache Solr, including the creation of custom facets to enhance product search and filtering capabilities.
• Wrote Groovy scripts for maintenance tasks such as automated deletion of stale user carts, improving system hygiene and performance.
• Developed a ticketing system to generate support tickets automatically when users uploaded files, integrating with internal support workflows.
• Implemented a file integration module for downloading invoice documents, ensuring secure and efficient access to billing data.
• Built a custom category reference component to support flexible category mapping and hierarchy management.
• Created and structured multiple layers of the application, including Services, DAOs, Facades, and other backend components, following clean architecture and design patterns.

Technologies Used:
Java, Groovy, Spring Framework, Solr, Sage ERP Integration, REST APIs, Scheduled Jobs, File Handling, MVC Architecture

Java Backend Engineer | Projects: Samsung & UBS (UltraTech Business Solutions)

Key Contributions:

• Contributed to backend and administrative interface development for enterprise clients such as Samsung and UBS.

Responsibilities & Achievements:

• Developed and customized Backoffice features including tree nodes, list views, editor areas, simple/advanced search, and Excel uploads, improving internal usability and data management.
• Created Groovy scripts for automating and managing custom business processes.
• Performed data migration tasks for key business entities such as Orders, Customers, and Payments, ensuring accuracy and integrity during transitions.
• Implemented the registration process for dealers and vendors, including form handling and workflow integration.
• Worked with Apache Solr, implementing field value providers and contributing to indexing strategies for optimized search functionality.
• Built and maintained components within the WCMS, including custom pages and UI components to support content management.
• Developed a cron job to automate onboarding email notifications to newly registered users.
• Supported the ticketing system, enabling file uploads and user interaction tracking.

Technologies Used:
Java, Groovy, Spring Framework, Apache Solr, SAP Commerce (Hybris), WCMS, Backoffice Customization, Cron Jobs, Data Migration, REST APIs