Job Description

Mission Overview:

Keystone Solutions is seeking Junior Developers to join a consultancy mission at a client site. You will be involved in various projects related to the digital transformation of the Office of Birth and Childhood (ONE). This role emphasizes on-site work, allowing you to engage directly with the client while representing Keystone Solutions.

Responsibilities:

As a Junior Developer, you will carry out the following responsibilities under Keystone Solutions' consultancy model:

• Participate in the technical design of features in collaboration with functional analysts, the technical lead, and other team members.
• Design application components while adhering to the defined architecture and technical standards.
• Apply best development practices such as Clean Code and quality assurance.
• Identify technical impacts and dependencies with existing components.
• Develop and evolve application modules and components.
• Participate in the development of Backend Java and Frontend Angular components.
• Ensure quality standards are met through unit tests and integration tests associated with developed features.
• Correct anomalies and implement functional and technical evolutions.
• Engage in refactoring and improving existing code for better readability, maintainability, and performance.
• Participate in code reviews with other developers.
• Prepare and deliver developments across different environments.
• Validate deployment and delivery of solutions.
• Adhere to defined delivery processes and standards.
• Follow methodological and technological standards set by the client.
• Ensure coverage and relevance of unit and integration tests.
• Contribute to continuous improvement of development practices.
• Collaborate daily with developers, functional analysts, testers, and other project stakeholders.
• Participate in various SCRUM ceremonies.
• Document developments as necessary and share useful knowledge within the team.

Work Environment:

The developer will work in an Agile/SCRUM environment, primarily using Java and Angular technologies. The tech stack includes Angular 21, JAVA8/JEE7, Java 21, Spring Boot, NgRx, DB2, MySQL, and Flyway, with build tools like Apache Maven, Git/GitLab CI/CD, and Nexus.

Keystone Solutions Advantages:

By joining Keystone Solutions, you will experience:

• Dynamic Projects: Engage in diverse challenges across various client environments.
• Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
• Skyrocketing Ambition: Enjoy a commitment to career growth within our framework.
• Values: As a
• If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
• Duration: 16/11/2026 - 31/12/2026 2 months • (full time)
• Skills required:
• Language requirements:
• French
• Level Native
• Angular 21 / Matérial - Level: Confirmed - Most recent: Any time
• DB2 / MySQL - Level: Junior - Most recent: Any time
• Déploiement CI/CD (Docker) - Level: Junior - Most recent: Any time
• Flyway - Level: Junior - Most recent: Any time
• IndexedDB/Dexie/Service worker - Level: Junior - Most recent: Any time
• Java - Level: Confirmed - Most recent: Any time
• Junit / Mockito - Level: Junior - Most recent: Any time
• REST / OpenAPI - Level: Junior - Most recent: Any time
• SCRUM - Level: Junior - Most recent: Any time
• Spring / Sprintboot / JPA - Level: Junior - Most recent: Any time