Here are some of the projects I have worked on.
Dohatec e-Sign
An online system for digitally signing documents. The system follows microservice based system design approach. I have spearheaded this project from initial planning to MVP deployment. Some of the key role I have played here are designing UX, programming core services and deploying services to test server. I have been closely involved in each and every process. This project uses the following tech stack:
Frontend
Angular 18
Angular
Material
Tailwind CSS
Backend
Java 21
Springboot
Spring Cloud
Spring Security
Spring OAuth2
Spring Data JPA
Bouncycastle
iText PDF
Database
Postgresql 16
Logging and Monitoring
Grafana
Grafana Loki
Prometheus
Swagger
Dohatec
Digital Signature
Tool 2
Developed a secure digital document signing application for RAJUK (Capital Development Authority) enabling officers, engineers, and architects to efficiently sign documents electronically with Gemalto Crypto USB dongles, streamlining workflows and enhancing security
Tech stack
Java
Swing GUI
iText PDF
ICEpdf
Bouncycastle
Lordicons