Rick – React, Typescript, AI agent development

Enterprise-grade ChatGPT-like platform focused on GDPR, secure data access, AI workflows, model-provider abstraction, and frontend ecosystem modernization.

• Modernized frontend systems with Svelte, TypeScript, Turborepo, shared packages, and reusable frontend foundations across product surfaces.
• Translated Figma and product patterns into agnostic, composable UI components and design-system infrastructure that could scale beyond one product context.
• Worked across frontend, Go backend services, and Python AI backends around RAG, retrieval, tools, memory/context, model routing, and secure enterprise data boundaries.
• Improved separation of concerns between UI, product workflows, backend APIs, AI services, compliance constraints, and operational processes.
• Helped engineers move faster through clearer package boundaries, review feedback, reusable patterns, and scoped implementation.

Freelance software engineering work delivering modern web applications, full-stack JavaScript systems, frontend-heavy product work, and selected technical prototypes.

• Built client-facing applications with React, Next.js, Node.js, TypeScript, backend integration, and modern frontend tooling.
• Collaborated directly with clients on requirements, product decisions, technical architecture, delivery, and maintainability.
• Built personal projects involving Temporal.io and durable workflow concepts.

Mature remote-first SaaS product team focused on React/TypeScript product systems, UI platform work, developer tooling, and maintainability.

• Built and improved production frontend features using React, TypeScript, modern frontend architecture, and product-focused implementation practices.
• Worked on design-system and UI platform foundations, helping turn shared product patterns into reusable frontend structures.
• Improved internal developer workflows, custom backoffice frontend tooling, and multi-product Playwright E2E suites across shared product surfaces.
• Refactored permission-sensitive UI and complex product behavior to make rules more explicit, maintainable, and easier to review.
• Collaborated remotely with frontend, backend, design, and product teams using tight scope discipline and low-blast-radius refactoring.

Large React/Redux platform serving more than 3 million monthly visitors that was being modernized from a complex six-year-old frontend codebase.

• Contributed to large-scale frontend modernization across styling, framework alignment, build tooling, testing, and typing.
• Supported migrations from LESS to Styled Components, Preact to React, Webpack to Vite, Jest to Vitest, and Flow to TypeScript.
• Refactored legacy React/Redux patterns into clearer, more maintainable, typed structures while keeping production changes scoped and reviewable.
• Improved developer experience and frontend platform quality in a high-traffic corporate product environment with strong production constraints.

Portfolio Dividend Tracker is a portfolio insights platform for Dutch retail investors. It allows users to track their investments, visualize portfolio performance, and analyse financial data from their investment accounts.

• developed the full-stack application using React, Laravel and SQL;
• built interactive charts for visualizing portfolio performance;
• implemented financial calculations for stock price movements and portfolio insights;
• optimized calculations and SQL queries for large datasets;
• designed the application’s data models and backend APIs;
• implemented encrypted, privacy-conscious storage for sensitive investment data;
• debugged and resolved frontend, backend and database performance issues.

Digital product agency work across custom software, React frontends, Node.js architectures, backend systems, and client delivery.

• Built frontend applications and componentized React UI libraries from design systems for client-facing product work.
• Worked on scalable Node.js and TypeScript architectures, Laravel backends, web scraping, Python NLP integration, and React Native mobile applications.
• Mentored and onboarded junior and mid-level developers while collaborating directly with clients, designers, product stakeholders, and engineering teams.