Work History

Experience

Web Developer — ProMedia Group

2008 – Present · Netherlands

Manage several dozen WordPress websites for a B2B media company that organizes trade publications, conferences, and industry events.
Develop custom WordPress themes and plugins tailored to each publication and event.
Build registration and access-control systems used for conferences and trade shows.
Integrate event and publishing platforms with cloud services including Exact Online, Salesforce, and Pardot.
Develop full-stack, student-facing and internal products in Ruby and JavaScript for a non-profit expanding access to tech careers for underrepresented students; progressed from contract to full-time senior full-stack engineer over three years, delivering student- and staff-facing platform features.
Build and test credit-model pipelines and contribute to full-stack product development on a US originations platform for a business finance company originating ~$2B annually, working across Ruby, Clojure, Angular, and React on the backend/frontend, with R and Python for credit/pricing models.
Delivered an instant decision engine that reduced approval times from hours to under one minute for 60% of applications during the pandemic.
Lead development of serverless full-stack systems using Node.js, React 18, Angular 14, and AWS ECS for high-traffic FinTech and e-commerce platforms, implementing gRPC-based microservices and Kafka topics.
Build AI/LLM integrations supporting course completion, interview preparation, and job placement.
Embed AI-assisted tools for test generation, code review, and component scaffolding via OpenAI APIs, GitHub Copilot, and Cursor, accelerating delivery cycles while maintaining quality.
Architect Next.js applications with SSR, ISR, and SSG, integrating React Query, React Hook Form, and Zod for data validation and API synchronization; also delivered high-performance Next.js + shadcn/ui dashboards with ISR/SSG for portfolio analytics, integrated with SWR, Formik, and Yup for state and form handling.
Build reusable UI libraries and design systems using Tailwind CSS, Storybook, and TypeScript, standardizing WCAG 2.1 AA accessibility and brand consistency across multi-product environments.
Configure Vite and Webpack optimizations (tree-shaking, bundle analysis, lazy loading) to improve TTI and Core Web Vitals scores.
Build modular React + Node.js applications with REST and GraphQL APIs, implementing serverless workflows via AWS Lambda, API Gateway, and DynamoDB for compliance reporting and data analysis for FinTech clients.
Build and extend backend systems using Prisma ORM and PostgreSQL — schema migrations, relational modeling, indexing, Redis caching, query partitioning, and stored procedures — reducing query execution times; separately manage Sequelize ORM models across PostgreSQL and MySQL for schema migrations and data normalization across distributed databases.
Develop a flexible document management system using Nest.js, GraphQL, Contentful, and Strapi, integrating Apollo Client and React Query for efficient data fetching and caching.
Integrate third-party APIs (Plaid, Stripe, Salesforce) with webhook systems managed by AWS EventBridge for secure, real-time data flows.
Design real-time communication systems using WebSockets and Server-Sent Events (SSE), delivering sub-second latency for stock and currency updates.
Integrate AWS SQS and Lambda triggers for asynchronous task processing such as fraud checks and notification services.
Deploy containerized applications through Docker and AWS ECS, leveraging Lambda, RDS, and CloudWatch for scaling and monitoring; build Docker images and multi-stage builds for isolated test, staging, and production environments, optimizing image size and build performance.
Implement CI/CD pipelines through GitHub Actions with automated testing (Jest, Cypress, Playwright) and linting via ESLint, Prettier, and SonarQube, reducing deployment friction by 40%; separately implement CI/CD workflows using GitLab, Docker, Kubernetes, and Terraform to automate build verification, security scanning, and preview environments.
Mentor developers on event-driven architecture, TypeScript best practices, and secure coding patterns, strengthening code quality culture.

Web Developer — Netvlies Internetdiensten

2006 – 2008 · Netherlands

Owned technical design and implementation for client websites, including Playboy Netherlands, the Playboy Cyberclub, and Nieuwe Revu.
Delivered websites for public library organizations, including Bibliotheek Arnhem, Bibliotheek Lek & IJssel, and Bibliotheek De Kempen.
Provided ongoing technical support across the agency's client portfolio.

Co-Founder — NN Software

2004 – 2009 · Netherlands

Co-founded the company and led design and development of APSv4, a planning and registration system for retail organizations.
Acquired the Amlin brand name and the earlier APS system out of Amlin's bankruptcy estate as the basis for the new product.

Network Administrator — Amlin Holding BV

2003 – 2004 · Netherlands

Managed network administration for the organization.
Maintained the company's Advanced Planning System, built on FileMaker Pro.

Co-Founder — ZZICT

2000 – 2003 (freelance involvement through 2007) · Netherlands

Co-founded the IT company, responsible for network administration and Windows software development.
Developed PC games for DirectX/Windows and mobile games in Java for Nokia Series 60 devices.
Continued freelance collaboration with the company after stepping back from full-time employment in 2003.

Student Assistant — Tilburg University

1999 – 2000 · Netherlands

Led workshops for the Computer Infrastructure course.
Tutored students in Turbo Pascal alongside the university's Programming course.

Lead Game Programmer — Crytek Studios

1999 – 2000 · Coburg, Germany

Led programming on the "Silent Space" project; the title was ultimately not completed for business and legal reasons unrelated to the engineering work.

Systems Developer — Streekomroep Weert

1998 – 2000 · Netherlands

Designed and built the automated overnight broadcast system for local radio station Streekomroep Weert.
The system interfaced directly with the broadcast signal and could record and schedule programs for playback, including automatic shortening or lengthening of segments.

Software Developer — Actual Electronics

1997 · New Zealand

Built an audio playback module for an automated station-locker system.

Software Developer — Shell Nederland BV

1995 · Netherlands

Converted a legacy compressor test-evaluation system from an obsolete Basic dialect on a decommissioned mainframe to run on modern PCs, while simplifying the user interface.

Selected Freelance Projects

Advanced Imaging Solutions (Omaha, NE, USA) — Developed multimedia and graphics routines in C++, including MPEG compression and DV/AVI conversion and editing.
Bavaria — Modernized an Access database used for technical-service work orders at the brewery's bottling plant in Hoensbroek.
Mobilance International — Designed and built a content management and delivery system for mobile phones, including billing integration with Orange, T-Mobile, and other mobile service providers.

Education

Tilburg University (Katholieke Universiteit Brabant)

1996 – 2000

Bestuurlijke Informatiekunde (Information Management), IT specialization — Bachelor's Degree.

Katholieke Scholengemeenschap Etten-Leur

1990 – 1996

VWO Diploma (cum laude).