* Designed and implemented features, maintained and optimized each tier Bitkap ecosystem, which is a cryptocurrency broker of over 30000+ users in Africa, which consists of : backend application, mobile application (available on Google Playstore and Apple Store), web application version and administration panel* Worked in a cross-functional Scrum Team and mentored a junior software on the web application development* Worked on functionalities to evaluate application profitabilityImplemented integration tests for the backend application and end-to-end tests for the mobile app* Automated CI/CD pipeline for applicationLeveraged technologies: Java Spring Boot, Angular, Flutter, Fastlane, Github Actions, Junit, MockMVC, PostgreSQL, Google Cloud

* Worked on design and implementation of the key features of Duskswap, an application allowing the purchase, sale, exchange and withdrawal of crypto-currencies in Central Africa.* Integrated security through authentication and authorization mechanisms* Integrated mobile payment methods* Integrated bitcoin payment methodsLeveraged technologies: Java Spring Boot, Angular, MongoDB, PostgreSQL.

* Designed and implemented a mobile application for civilians to help them signal their emergency using a geolocation system, registered and get access to missing people and objects* Designed and implemented a mobile application for security agents to allow them to receive and set status for civilians emergency signals through a map allocated by their security center, allow them to register and view missing people and objects, and also give them a view to a list of wanted criminals* Designed and implemented a web application for security center (like police, military forces) that allow them to manage their forces (view and edit list of agents and set unit chiefs), allocate to agents’ unit a given emergency signal, access to missing people and objects; add and edit list of criminals and share them to agents* Designed and implemented a backend application to centralize treatments* Worked on backend security through authentication and authorization mechanisms* Configured Docker containers for deploying the applicationsLeveraged technologies: Java Spring Boot, Flutter, Angular, MongoDB, Docker, OpenStreetMap

Implemented features for both Spring Boot backend and Ionic frontend of an e-commerce platform.stack: Java Spring Boot, Ionic, PostgreSQL