Senior Developer WinDev

Mission Overview:

Keystone Solutions is seeking a Senior Developer specializing in WinDev for a consultancy mission at a client site. As a consultant, you will be representing Keystone Solutions while working on strategic applications that are crucial for the client’s operations.

Responsibilities:

In this role, you will be responsible for the analysis, documentation, maintenance, and evolution of two strategic applications developed in the WinDev environment:

• GESTSCOL, a school management solution used by educational institutions in Wallonia-Brussels.
• SIPPT, an application for managing activities of the Internal Service for Prevention and Protection at Work.

You will work closely with business teams to ensure service continuity, risk management, and application sustainability. These responsibilities will be carried out under Keystone Solutions' consultancy model.

Key Objectives:

• Analyze and document the application architecture.
• Conduct a comprehensive technical audit of GESTSCOL and SIPPT applications.
• Map the existing software architecture, including:
• Application components;
• HFSQL databases and structures;
• Interfaces and data flows;
• Synchronization and replication mechanisms;
• Document management and document generation;
• Security mechanisms and rights management.
• Produce usable architecture documentation for technical and business teams.
• Identify operational and maintenance prerequisites, including:
• WinDev, WebDev, HFSQL licenses, and third-party components;
• Server and client workstation infrastructures;
• Deployment procedures;
• Backup and restoration mechanisms;
• Synchronization and replication procedures;
• Source code, repositories, and version management tools.
• Evaluate the capacity for maintenance recovery by a third party.
• Manage risks by identifying technical, operational, and organizational risks associated with the applications, including:
• Data loss or corruption risks;
• Dependency risks on certain technologies or resources;
• Security risks;
• Documentation and code maintainability risks.
• Develop a risk management strategy and a prioritized action plan, including:
• Corrective actions;
• Preventive actions;
• Modernization recommendations.
• Provide corrective, evolutionary maintenance, and business support by:
• Analyzing and addressing incidents and assistance requests;
• Participating in diagnosing anomalies and proposing appropriate corrections;
• Developing functional evolutions validated by business teams;
• Conducting technical tests and supporting acceptance;
• Deploying corrections and evolutions;
• Providing technical advice to business leaders and IT teams.

Expected Deliverables:

• Detailed architecture dossier for GESTSCOL and SIPPT applications.
• Inventory of technical prerequisites, licenses, and infrastructures.
• Mapping of flows and interfaces.
• Risk analysis and risk reduction plan.
• Documentation of operational and maintenance procedures.
• Periodic maintenance report and tracking of business requests.

As a consultant, you will work under the same conditions as our internal staff, with a hybrid model combining on-site and remote work, requiring a minimum of 50% presence in our offices. This mission will be conducted exclusively in French.

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

Duration: 04/01/2027 - 31/12/2027 12 months • (part time 3/5)

Skills required:

• Analyse Technique - Level: Expert - Most recent: This year
• Développement d'applications client lourd WinDev - Level: Expert - Most recent: This year
• Environnement PC Soft WinDev 2025 - Level: Expert - Most recent: This year
• HFSQL Classic - Level: Expert - Most recent: This year
• HFSQL Client/Serveur - Level: Expert - Most recent: This year
• Mécanisme de génération, compilation et déploiement des applications WinDev - Level: Confirmed - Most recent: This year
• Outils de gestion de versions du code (Git, SVN ou équivalent) - Level: Confirmed - Most recent: This year

Language requirements:

French
Level Native