# HCLTech India

- **Event:** [Global Codex Hackathon: [Singapore]](https://cerebralvalley.ai/e/open-ai-hackathon-singapore-virtual)
- **When:** Tue, Apr 21 at 9:00 AM – 9:00 PM (GMT+8)
- **Where:** Online
- **Team:** [Rohit Verma](https://cerebralvalley.ai/u/rohitverma), [Ashutosh Singh](https://cerebralvalley.ai/u/ashutosh_si_hcl), [Arvind BAHUGUNA](https://cerebralvalley.ai/u/arvind_b)
- **Demo video:** https://youtu.be/kyOqxlBsMr0
- **Gallery:** https://cerebralvalley.ai/e/open-ai-hackathon-singapore-virtual/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/open-ai-hackathon-singapore-virtual/hackathon/gallery/14

Legacy to Modern Architecture - Modernized the legacy AWS Card Demo COBOL application to a modern technology stack using Java, Spring Boot for the backend, and React for the frontend, while preserving core business logic. Migrated DB2 and VSAM datasets to PostgreSQL.

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Markdown version of https://cerebralvalley.ai/e/open-ai-hackathon-singapore-virtual/hackathon/gallery/14. Site index for agents: https://cerebralvalley.ai/llms.txt · full text: https://cerebralvalley.ai/llms-full.txt