Responsibilities :-- Designing, implementing and maintaining Java-based applications.-- Contributing to all phases of the development lifecycle.-- Developing the core framework for the application.-- Developed and improved several features of the application.-- Added several new API in the application as well as worked on developed API also.-- Writing testable, scalable, and efficient code.-- Introduce integration test module in the application to write dynamic IT cases.-- Maintain up-to-date code documentation.--> FSM(Flight Scheduling Management System)Working as a backend developer on this project.Tools: Spring Boot, PostgresSQL--> FirstTrip, TripLover, Travel Champ - Online Travel Agency (OTA) ProjectWorking as a backend developer on this project. Developed custom API for global distribution system(GDS)(Galileo, Travelport, Zapways)Tools: Spring Boot, C#, .NET, MSSQL, SQLServer

- Requirement Collection, SRS preparation, Development- Requirement Analysis from Client and Module wise presentation to Client- Contributed in Unified Prepayment System for Bangladesh Power Development Board(BPDB) and DESCO to offer 24/7 vending facility to prepaid electricity meter users. - Vending API integrated successfully with GP, Robi, bKash.- AMS(Advanced Metering System) implemented in BPDB, WZPDCL, DESCO.- Upgraded Unified Prepayment System as per Utility (BPDB,,DESCO,WZPDCL) requirements.- Multiple Manufacture(Hexing, INHE, Linyang, etc) HES integration with Unified Prepayment System using SOAP web services.- Smart Restaurant Management System using Spring Boot.- ERP System using Spring Boot.- API Development for External Application Integration

Project - Moody’s Web Scraping And List Importer- Develop dynamic scripts to scrap HTML/PDF/Excel data using Java, Groovy, Selenium Web Driver, OCR reader, Pdfbox, Apache POI ect.- Scraping data from websites using Java/Groovy on corporate public/private entities.- Debgugging code and checking runtime/compilation errors in Groovy scripts (repair scripts).- Cross-checking data and further filtering before exporting in CSV, JSON, XML.Tools: Spring Boot, Groovy, Apache POI, OCR reader, Pdfbox, JAXB, JAKSON, Selenium, Ubuntu 22.4, VPN, AWS VDI, OKTA, Git, IntelliJ IDEA