* Lead the development team in creating and maintaining Public Key Infrastructure (PKI) solutions (https://bcc-ca.gov.bd).* Manage the lifecycle of PKI services, including digital certificates, encryption, and secure communication.* Design, develop, and deploy blockchain-based solutions in Ethereum and Hyperledger platforms.* Proficient in Java, SpringBoot, NodeJS, Python, Flask, and ReactNative.* Develop backend services, web applications, and cross-platform mobile apps.*… Show more * Lead the development team in creating and maintaining Public Key Infrastructure (PKI) solutions (https://bcc-ca.gov.bd).* Manage the lifecycle of PKI services, including digital certificates, encryption, and secure communication.* Design, develop, and deploy blockchain-based solutions in Ethereum and Hyperledger platforms.* Proficient in Java, SpringBoot, NodeJS, Python, Flask, and ReactNative.* Develop backend services, web applications, and cross-platform mobile apps.* Use Docker for containerization & apply DevOps practices to streamline software delivery Show less

* Monitored and maintained 6 distributed blockchain nodes for the BCC Blockchain Platform.* Incorporated CIRT and BNDA training certificates into the existing blockchain platform.* Addressed issues and integrated new features into eRecruitment and BKIICT.* Upgraded BCC CA Portal to version 2.0 using Spring Boot Framework.* Provided technical support for designing, developing, and deploying the CA Portal.* Integrated Jenkins for BCC CA Portal, enabling CI/CD pipelines.*… Show more * Monitored and maintained 6 distributed blockchain nodes for the BCC Blockchain Platform.* Incorporated CIRT and BNDA training certificates into the existing blockchain platform.* Addressed issues and integrated new features into eRecruitment and BKIICT.* Upgraded BCC CA Portal to version 2.0 using Spring Boot Framework.* Provided technical support for designing, developing, and deploying the CA Portal.* Integrated Jenkins for BCC CA Portal, enabling CI/CD pipelines.* Developed the Log Signer app for digitally signing syslog-ng logs.* Collaborated on deploying the eSign Platform (ADSS server and SigningHub) in BCC Cloud.Consultancy, Spring Framework, Cryptography, Digital Signature, Blockchain, Ethereum, Solidity, Hyperledger Show less

* Development of the core features e.g., real-time one-to-one and group messaging for Kotha apps (https://kotha.app/).* Create systems to personalize various content types (news, articles, games, events) from different internet sources.* Design and develop microservices related to lifestyle.

* Developed both back-end and front-end modules in the BTCL Automation Project for the Bangladesh Telecommunications Company Limited (BTCL).* Modules included features like domain management (with TLDs like .com.bd, .gov.bd, .bangla, and .বাংলা).* Implemented security measures to restrict attacks (DoS, CORS, CSRF) and maintained logs for IP/user identification.* Contributed to a VOIP supporting solution by efficiently calculating Least Cost Routing (LCR) for over 100+ ICX.

* Developed a real-time messaging system for the Bangladesh Computer Council (BCC) in Intranet Communication Platform (ICP) project. * Leveraged Java WebSocket technology for secure communication.Implemented a secured file-sending system with document encryption.* Work on the Managing Violence Against Women and Children project for Ministry of Women and Children Affairs

1. Media Gateway Controller (MGC) Web Development: - Worked on the web part of the Media Gateway Controller (MGC) project. - Gained knowledge in Sigtran, a signaling protocol suite for telecommunication networks.2. TELETALK Website Search Engine: - Developed a search engine for the TELETALK website. - Enhanced user experience by enabling efficient content discovery.3. Billing Software UI Update: - Updated the user interface (UI) of billing… Show more 1. Media Gateway Controller (MGC) Web Development: - Worked on the web part of the Media Gateway Controller (MGC) project. - Gained knowledge in Sigtran, a signaling protocol suite for telecommunication networks.2. TELETALK Website Search Engine: - Developed a search engine for the TELETALK website. - Enhanced user experience by enabling efficient content discovery.3. Billing Software UI Update: - Updated the user interface (UI) of billing software. - Ensured a seamless and user-friendly billing experience. Show less

Here I developed different application using PHP(Codeigniter Framework), Wordpress, Rest Api Development, JQuery, Bootsrap CSS.

I was working here for part time based where I had chance to explore PHP (Codeigniter Framework), HTML, CSS, Ajax, JSON, JQuery etc