Senior frontend consulting with 10+ years of experience on large-scale, regulated projects. Now extending into AI integration and building MCP servers.
Areas of expertise.
Custom interfaces in TypeScript and Angular. Design systems, complex state management, component libraries, micro-frontends. Architected to stay maintainable as the product grows.
Rebuilds and progressive migrations of aging platforms. Framework upgrades, refactoring, technical debt reduction, while preserving what works.
LLM application engineering, building MCP servers, agentic workflows. Cloud APIs or self-hosted local models, for sensitive data that can't leave your infrastructure.
Balancing modern, polished interactions with accessibility for everyone, guided by empathy, A/B testing, and metrics. Backed by a UX/UI design degree and a lifetime building interfaces, since my teens.
SSR, frontend architecture decisions, build optimization, CI/CD,
Core Web Vitals.
For platforms where speed and reliability
are non-negotiable.
A collaborative teammate
At home in Agile teams, working closely with design, product, and backend, and ready to lead when it adds value.
Scrum Master · PSM I
Languages
TypeScript, JavaScript, HTML5, CSS, Sass, LESS, PHP, Rust
Frameworks
Angular, Angular Universal, RxJS, NgRx, NGXS, Nx, React, Node.js, Bootstrap, jQuery
AI
Claude / Anthropic, MCP, AI agents
Quality & DevOps
Unit testing (Jasmine, Karma), E2E, Puppeteer, Storybook, CI/CD, Git, GitHub, GitLab, Jenkins, Azure DevOps, Tailscale, Webpack
Integrations & CMS
Okta / IAM, Google Maps API, Google Analytics, Google Tag Manager, WordPress, WooCommerce
R&D
field notes.
EYN SRL
Lexy Callemeyn
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