PHP Developer Consultant

Mission Overview:

Keystone Solutions is seeking a PHP Developer Consultant to join a dynamic project team at a client site. This consultancy mission is part of a significant digital and organizational transformation aimed at modernizing processes and enhancing operational efficiency.

Project Description:

The consultant will contribute to the evolution and maintenance of the evidence management application (PacOs). The role involves working closely with the project team to design, develop, integrate, and maintain existing applications.

Key Responsibilities:

• Participate in the technical analysis of business needs.
• Design and develop new features in PHP.
• Ensure corrective and evolutionary maintenance of existing applications.
• Conduct unit and integration testing.
• Participate in code reviews and continuous improvement of software quality.
• Identify and correct technical anomalies.
• Contribute to the writing and updating of technical documentation.
• Participate in project follow-up meetings and Agile ceremonies as necessary.
• Adhere to security, architecture, and development standards in place within the organization.

Deliverables may include:

• Developed and documented source code.
• Application corrections and evolutions.
• Technical documentation.
• Test reports.
• Activity reports.
• Installation and deployment documentation if necessary.

This mission requires close collaboration with technical and functional teams. Any significant changes to the scope must be validated by the mission manager.

The consultant will ensure compliance with:

• Information security rules;
• Internal procedures;
• Confidentiality requirements;
• Development standards in effect.

Why Join Keystone Solutions:

As a consultant at Keystone Solutions, you will experience:

• Consultancy Nature: Engage in on-site work and embody the consultant identity.
• Dynamic Projects: Tackle 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: Being a "K-Stone" means bringing our core values to every engagement.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .

Duration: 01/10/2026 - 31/12/2026 3 months • (full time)

Skills required:

• Bases de données : Intersystems Caché / IRIS ( SQL) - Level: Confirmed - Most recent: Any time
• Langages et Framework : PHP 7.4 ( ou 8+), Javascript, AngularJS, Codelgniter 3, Smarty - Level: Confirmed - Most recent: Any time
• Méthodologies : Développement orienté objet, Agile (Scrum/Kanban), Bonnes pratiques de développement - Level: Confirmed - Most recent: Any time
• Outils : Git, GitLab / GitHub, Postman, Visual Studio Code, DBeaver - Level: Confirmed - Most recent: Any time

Language requirements:

Dutch
Level Active knowledge
English
Level Active knowledge
French
Level Active knowledge