Koen Wesselman

WORK HISTORY

EDUCATION

SKILLS

ABOUT KOEN WESSELMAN

Salesforce Technical Architect and Head of Development with 11 years of specialized experience leading enterprise-scale implementations across nonprofit and manufacturing sectors. Currently managing a development team while maintaining hands-on technical leadership.Proven Global Impact: Technical Architect for UNHCR\'s global Salesforce rollout spanning 6+ implementations across multiple countries, collaborating with different implementation partners. Led 2+ additional medium-to-large charity implementations, including legacy CRM migrations that delivered transformational capabilities—one project enabled a 1500% increase in annual fundraising income during the Ukraine crisis response.Technical Excellence: Hold 19 Salesforce certifications including all major Architect credentials (System, Application, Data, Integration, Identity & Access Management) plus specializations in AI Associate, Data Cloud Consultant, and Agentforce Specialist. Expert in full-stack development using Apex, Lightning Web Components, Flows, and legacy technologies (Aura, Visualforce).Integration & DevOps Leadership: Architected complex integrations across Sales Cloud, Service Cloud, Nonprofit Cloud and Marketing Cloud using REST/SOAP APIs, ETL processes, and middleware platforms (Jitterbit, Talend, Google Data Fusion). Established robust DevOps practices with Gearset, Copado, CumulusCI, Salesforce CLI, and Jenkins.Team Development: Mentored 9 graduates in Salesforce technologies while implementing Agile methodologies (Scrum, Kanban) across all projects. Passionate about building technical capabilities and driving adoption of Salesforce best practices in complex, multi-stakeholder environments.