I am a Software Engineer from Bangladesh, currently working at Celloscope Ltd, focused on secure, scalable backend systems for banking and financial technology.
- Currently working on internet banking, agent banking, identity verification, and microfinance platforms
- Backend-focused with Java, Spring Boot, Spring WebFlux, PostgreSQL, Oracle, REST APIs, and microservices
- Experienced in authentication, authorization, transaction workflows, reporting, and database optimization
- Passionate about reliable financial systems, clean backend architecture, and production-grade engineering
- Resume: mehedi_hasan.pdf
| Area | Focus |
|---|---|
| Banking & FinTech | Internet banking, agent banking, fund transfer, account services, identity verification, microfinance systems |
| Enterprise Backend | Java, Spring Boot, Spring WebFlux, REST APIs, microservices, reactive services, service integration |
| Security & Access Control | Authentication, authorization, OTP/PIN flows, API security, user security management |
| Data & Reporting | PostgreSQL, Oracle, SQL optimization, Jasper Reports, financial and operational reporting |
| Production Engineering | Debugging, issue resolution, performance tuning, compliance-focused backend delivery |
| Project | Summary | Tech |
|---|---|---|
Agrani Bank Internet Banking Platform Current |
Enterprise internet banking platform for retail and corporate customers. Worked on secure APIs, authentication, authorization, beneficiary management, fund transfer, account services, and transaction workflows. | Java Spring Boot PostgreSQL Oracle REST APIs Microservices |
| NID Verification System (NVS) | National identity verification platform for validating citizen information through NID services. Worked on backend services, database optimization, reporting, and external service integration. | Java Spring Boot Spring WebFlux PostgreSQL Oracle Jasper Reports |
| NRBCB Agent Banking Platform | Digital banking and agent banking platform supporting financial inclusion services. Worked on APIs, transaction processing, business logic, integration, and database management. | Java Spring Boot PostgreSQL Oracle REST APIs |
| Microfinance Regulatory Authority (MRA) System | Regulatory and financial management system supporting microfinance operations. Worked on backend services, financial workflows, reporting, production support, and optimization. | Java Spring Boot PostgreSQL Oracle Jasper Reports |
| Multi-Tenant Financial Services Platform | Enterprise platform supporting multiple financial institutions with isolated data management. Worked on tenant-based schema management, reactive services, database integration, and scalability. | Java Spring WebFlux R2DBC Oracle PostgreSQL |
| Enterprise Reporting & Analytics | Reporting and analytics solutions for banking and financial applications. Worked on complex SQL optimization, dynamic reports, financial analytics, and production-grade data workflows. | PostgreSQL Oracle Jasper Reports SQL Optimization |
| Project Area | What I Practice |
|---|---|
| Crypto Services | AES, Triple DES, encryption/decryption service design, secure API handling |
| Reactive Services | Spring WebFlux, reactive endpoints, non-blocking service patterns |
| Authentication & Identity | JWT bearer token, identity service, security flows, API protection |
| Java Performance | Virtual threads, backend performance testing, concurrency experiments |
| Business APIs | Invoice API, loan API, ping services, small production-style backend services |
- Portfolio: mehedihasan03.github.io
- LinkedIn: linkedin.com/in/mehedisoft
- Stack Overflow: stackoverflow.com/users/18019679/mehedi-hasan
- HackerRank: hackerrank.com/mdmehedi03
- Email: mdmehedi03@gmail.com
