Koen Wesselman
Head Of Development at Giveclarity.org Ltd
Belfast, Northern Ireland, United Kingdom
Summary
👤
Senior🎓
Top SchoolKoen Wesselman is a Head of Development and Salesforce Technical Architect with 11 years’ experience delivering enterprise-scale implementations across nonprofits and manufacturing, currently leading Giveclarity’s Belfast branch while remaining hands-on in architecture and development. He has driven global rollouts—including UNHCR implementations across multiple countries—and led charity migrations that unlocked transformational outcomes such as a 1500% uplift in fundraising during the Ukraine response. Holder of 19 Salesforce certifications including the full Architect suite and recent specializations in AI and Data Cloud, he blends deep platform expertise (Apex, LWC, Flows) with integration and DevOps leadership using middleware, ETL and tools like Gearset, Copado and Jenkins. A proven mentor and team builder, he has trained a pipeline of junior engineers through structured programs and introduced release management and QA practices that stabilized product and client deliveries. Less obvious is his sustained balance of strategic leadership and day-to-day coding—continuing to ship managed packages and adopt emergent Salesforce tech such as Functions and Data Cloud while scaling organisational capability.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Science (B.Sc.), Information Science, Bachelor of Science (B.Sc.), Information Science at Utrecht UniversityVWO, VWO at Cals College Nieuwegein
Dutch, English
Stackoverflow
198reputation
5kreached
8answers
1question
Github Skills (28)
salesforce-api10
continuous-integration10
sfdx10
salesforce-developers10
salesforcedx10
salesforce10
portable9
cicd9
apex9
salesforce-devops9
python8
salesforce-cli8
automation7
github7
cumulus7
Programming languages (4)
Github contributions (5)
giveclarity/NPSP
Jun 2020 - Jan 2021
The current version of the Salesforce.org Nonprofit Success Pack
Contributions:1 PR, 4 pushes, 1 branch in 6 months
salesforcenonprofitsuccesspack
koenwesselman/force-navigator
Jun 2015 - Oct 2016
Contributions:2 PRs, 3 pushes in 1 year 3 months
navigatorforcegame
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