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I develop and maintain web applications using Java, Spring Boot, REST APIs, React/Angular, HTML/CSS, and JavaScript. I build backend services for features like user management, authentication, reporting, and data processing, and I design REST APIs to connect frontend with backend systems. I work with MySQL databases and integrate external services using JSON and microservices. I have implemented security features such as JWT authentication and role-based access control (Admin, User). I am bilingual in English and French, and I value time management and strong teamwork.…I develop and maintain web applications using Java, Spring Boot, REST APIs, React/Angular, HTML/CSS, and JavaScript. I build backend services for features like user management, authentication, reporting, and data processing, and I design REST APIs to connect frontend with backend systems. I work with MySQL databases and integrate external services using JSON and microservices. I have implemented security features such as JWT authentication and role-based access control (Admin, User). I am bilingual in English and French, and I value time management and strong teamwork.

Olivier HAVYARIMANA

Full Stack Developer, Web Developer, Back-End Developer, +2

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I develop and maintain web applications using Java, Spring Boot, REST APIs, React/Angular, HTML/CSS, and JavaScript. I build backend services for features like user management, authentication, reporting, and data processing, and I design REST APIs to connect frontend with backend systems. I work with MySQL databases and integrate external services using JSON and microservices. I have implemented security features such as JWT authentication and role-based access control (Admin, User). I am bilingual in English and French, and I value time management and strong teamwork.…I develop and maintain web applications using Java, Spring Boot, REST APIs, React/Angular, HTML/CSS, and JavaScript. I build backend services for features like user management, authentication, reporting, and data processing, and I design REST APIs to connect frontend with backend systems. I work with MySQL databases and integrate external services using JSON and microservices. I have implemented security features such as JWT authentication and role-based access control (Admin, User). I am bilingual in English and French, and I value time management and strong teamwork.

Available to hire

I develop and maintain web applications using Java, Spring Boot, REST APIs, React/Angular, HTML/CSS, and JavaScript. I build backend services for features like user management, authentication, reporting, and data processing, and I design REST APIs to connect frontend with backend systems.
I work with MySQL databases and integrate external services using JSON and microservices. I have implemented security features such as JWT authentication and role-based access control (Admin, User). I am bilingual in English and French, and I value time management and strong teamwork.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

French

Fluent

Work Experience

Full Stack Java Developer Intern at BCB BANK

January 1, 2019 - September 1, 2021

Developed a web-based Employee Management System using Spring Boot and React.js. Designed RESTful APIs for CRUD operations and integrated them with the frontend. Implemented authentication and authorization using Spring Security. Performed unit testing with JUnit and API testing with Postman. Deployed the project on Tomcat Server and maintained version control with Git.

Junior Java Developer (Academic Project) at University of Burundi

October 1, 2021 - September 1, 2023

Built a Student Course Registration System using Spring MVC, Hibernate, and MySQL. Created responsive UI using HTML, CSS, and Bootstrap. Developed stored procedures and queries for data manipulation.