PostgreSQL
My preferred database for SaaS, custom software and data models that need to last.
Experience
Used in most major projects: government, SaaS, fintech and products.
Led technical transformation of an ML SaaS platform from a bottlenecked Python codebase to a high-performance hybrid architecture capable of handling over 200 million records.
Ministry of Education, Curaçao National education management systemDesigned and built two central government platforms — OKR Government and CLOA Government — used nationally for student registration, exam management, and educational reporting.
Casacesar B2B wholesale platform — 3 islands, 100K+ productsOnboarded Casacesar to Vender.cloud, transforming their wholesale operation from manual spreadsheets and phone orders to a unified digital platform across three Caribbean islands.
SURF / EduSim XR education platform for Dutch universitiesBuilt core backend services for a national XR simulation platform enabling immersive learning environments across Dutch higher education institutions.
CX Pay Government payment portalBuilt a secure government payment portal enabling citizens to pay taxes, fees, and fines online — eliminating paper-based processes for an entire regional government.
Product Interactable StoriesAI-Powered Interactive Storytelling. Step into AI-crafted worlds where your decisions drive the narrative. No two adventures are alike — your story begins the moment you choose.
Product Vender.cloudB2B Sales & Inventory Platform. Built for wholesale execution, not generic CRM workflows. Connects field sales, backoffice, and warehouse in one unified system.
Product MealJot — offline-first food diaryA local-first food diary for the Netherlands, backed by NEVO 2025/9.0 with household measures, barcode and photo capture, and sync across devices.
- Scaling Django to 200M+ Records: What Actually Works
Architecture decisions, PostgreSQL optimizations, and the moment we knew we needed Rust — lessons from a real production system under extreme load. Mar 2025
- Multi-Tenancy in SaaS: The Three Patterns and When to Use Each
Schema isolation vs. row-level security vs. separate databases. A practical breakdown from someone who's implemented all three in production. Jan 2025
Need a PostgreSQL developer?
I work as a senior engineer for companies that want PostgreSQL work done properly — relational data models, performance tuning, reporting and multi-tenant SaaS. From €85–120 per hour for focused tasks to full projects, with direct contact and a reply within 24 hours. Based in the Netherlands, working remotely with clients worldwide.
Discuss your PostgreSQL project