Case Studies

Real projects.
Real results.

Every project here was built by me personally — from architecture through deployment. The results speak for themselves.

50+
Projects delivered
5
Highlighted here
3
Continents
20+
Years experience
SaaS / Machine Learning 2023 – 2025 Senior Lead Developer
Enterprise ML Platform

Scaling to 200M+ product records

200M+
product records handled

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.

Challenge

The platform needed to scale its product catalog to 200M+ records while maintaining sub-second query performance. The existing Python codebase was becoming a critical bottleneck.

Approach

Introduced Rust for performance-critical data processing pipelines, implemented distributed task management with Celery, and optimized PostgreSQL with strategic indexing and query rewrites.

Results

  • Scaled to 200M+ product records
  • Reduced data processing time by 40%
  • Improved API response times by 60%
  • Zero downtime during migration

Stack

PythonFastAPIRustPostgreSQLRedisElasticsearchAWS
Government / Education 2020 – 2022 Freelance Python Developer
Ministry of Education, Curaçao

National education management system

20h+
saved per week on reporting

Designed and built two central government platforms — OKR Government and CLOA Government — used nationally for student registration, exam management, and educational reporting.

Challenge

The Ministry needed to digitize the entire education administration system for Curaçao, handling student records for every school on the island with strict data privacy requirements.

Approach

Built a scalable Django platform with PostgreSQL, implementing secure authentication, role-based access control, and automated report generation for policymakers.

Results

  • Digitized student records for the entire island
  • Automated reporting saved 20+ hours/week
  • Secure handling of sensitive national data
  • Used annually for national exams

Stack

DjangoPostgreSQLRedisCeleryDockerReact
Wholesale / Distribution 2018 – Present Product Developer
Casacesar

B2B wholesale platform — 3 islands, 100K+ products

50%
reduction in order processing time

Onboarded Casacesar to Vender.cloud, transforming their wholesale operation from manual spreadsheets and phone orders to a unified digital platform across three Caribbean islands.

Challenge

Casacesar needed to modernize a large-scale wholesale operation serving retailers across Curaçao, Bonaire, and Aruba — coordinating field sales, backoffice, and warehouse in real time.

Approach

Implemented Vender.cloud with customized workflows tailored to their operation, including mobile field sales, backoffice management, and warehouse coordination.

Results

  • 100K+ products managed
  • Order processing time cut by 50%
  • Deployed across 3 Caribbean islands
  • Real-time inventory for all stakeholders

Stack

DjangoReactPostgreSQLAWSiOSReact Native
Education / XR 2025 Fullstack Developer
SURF / EduSim

XR education platform for Dutch universities

10+
universities on the platform

Built core backend services for a national XR simulation platform enabling immersive learning environments across Dutch higher education institutions.

Challenge

Create a scalable multi-service backend that could serve multiple universities with different requirements while integrating with existing educational infrastructure.

Approach

Developed backend services using FastAPI and Litestar with robust data models, OpenAPI documentation, and CI/CD pipelines enabling rapid, reliable deployment.

Results

  • Platform serving 10+ Dutch universities
  • Full OpenAPI documentation
  • CI/CD from day one
  • Extensible microservices architecture

Stack

FastAPILitestarPostgreSQLDockerGitHub ActionsReact
Government / Fintech 2019 Lead Developer
CX Pay

Government payment portal

100%
paperless government payments

Built a secure government payment portal enabling citizens to pay taxes, fees, and fines online — eliminating paper-based processes for an entire regional government.

Challenge

Digitize government payment collection with bank-grade security, support for multiple payment methods, and integration with existing government financial systems.

Approach

Delivered a Django-based portal with payment gateway integrations, secure audit trails, reconciliation reports, and a public-facing interface built for reliability.

Results

  • Fully paperless payment processing
  • Multiple payment methods supported
  • Real-time financial reconciliation
  • Government-grade security standards

Stack

DjangoPostgreSQLPayment APIsDockerReact

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