Freelancer profile translated to English.
Back to original languageAbout Rolf
Senior web developer with over 15 years of experience in designing and building custom SaaS, CRM, and ERP systems. Specializing in API-driven architectures, multi-tenant applications, complex data models, authentication and authorization, background processing (queues/jobs), scheduled synchronizations, and integrations with external systems such as payment, accounting, and CRM platforms. Focus on scalability, performance, and production reliability.
Dutch
Native or bilingual
English
Fluent
Spanish
Basic
Can work on-site
Groningen (up to 50km)
Experience
- SurfcenterLaravelApril 2021 - Today (5 years and 2 months)Magento2 ongoing custom development with Hyvä front-end. Custom Laravel PIM (Product Information Management) system. Developed custom AI solutions, connected with OpenAI API.
- Harmony InsurancesWooCommerceMay 2025 - Today (1 year and 1 month)Full development of a WooCommerce plugin and Magento2 module for Harmony partners, including integration with the Harmony API and implementation of extensive compliance conditions.synchronizations and REST API integrations with external suppliers and Twinfield.
- Phonemarket.nlWooCommerceApril 2024 - November 2025 (1 year and 7 months)WordPress solutions, custom plugins, order and payment flows, product feeds, and API integrations (GoedGepickt, Microsoft 365). Additionally, I was responsible for performance optimization, data imports/exports, debugging of production issues, and technical management of the hosting environment.
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Education
- BachelorHanze University Groningen2011Bachelor
- MBOROC Friese Poort2007MBO