Founder of EntelXCore and Fullstack Engineer at RE18. 8+ years delivering web and mobile products — AI systems, custom software, and MEAN stack features end-to-end.
Built with pure HTML5, CSS3, and JavaScript — no frameworks, no dependencies.
- Matrix / terminal design — Clean aesthetic with a decorative terminal home
- Fully responsive — Desktop, tablet, and mobile
- Fast — Vanilla stack, minimal assets
- Accessible — Skip link, semantic HTML, reduced-motion support
- SEO — Meta tags, Open Graph, structured data
- Install metadata — Web app manifest and theme colors (no offline service worker)
- HTML5 — Semantic markup
- CSS3 — Custom properties, flexbox, grid, animations
- JavaScript (ES6+) — Interactivity (
script.js) - SVG — Icons and graphics
$ whoami
Alex Lymperopoulos - Founder @ EntelXCore · Fullstack Engineer @ RE18
$ cat experience.json
{
"years_of_experience": "8+",
"current_roles": [
"Founder at EntelXCore (Jul 2026 – Present)",
"Fullstack Engineer at RE18 (Jan 2026 – Present)"
],
"specialties": [
"AI systems & custom software",
"Angular & TypeScript",
"Node.js & Express",
"MongoDB",
"MEAN stack delivery"
]
}Founded EntelXCore to build AI systems and custom software for businesses that need technology done right.
- Leading product vision, architecture, and delivery across AI, web/mobile, and cloud
- Partnering with clients from idea to launch and ongoing product evolution
Tech: AI Systems • TypeScript • Node.js • Angular • React • Cloud • APIs
Delivering end-to-end features across frontend and backend using the full MEAN stack.
- Designing and building scalable services and responsive UIs
- Owning features from planning to production with cross-functional teams
- Clean-code standards and a get-things-done delivery mindset
Tech: Angular • Node.js • Express • MongoDB • TypeScript • AWS • Redis • Docker
Building the next-generation data platform enabling AI-driven applications via secure, real-time data APIs.
- Developed new features and maintained complex interfaces
- Delivered responsive, cross-browser UI for enterprise clients
- Integrated APIs and ensured seamless data flow with backend teams
- Created high-fidelity mockups and transformed them into production-ready interfaces
Tech: Angular • TypeScript • Next.js • TailwindCSS • PrimeFaces • Figma • Jasmine • Karma • Nightwatch
Contributed to the "QivosCloud Platform" and maintained a suite of hybrid mobile applications.
- Migrated legacy apps from Ionic 3 to Ionic 5+ for continued deployment support
- Upgraded web platform from AngularJS to modern Angular
- Ensured consistent app performance across platforms
Tech: Angular • Ionic • Capacitor • JavaScript • Jasmine • Karma • Nightwatch
Developed and maintained the official web portal for international students in Greece.
- Built the platform for showcasing Bachelor's & Master's programs
- Organized and supported educational events for international students
- Maintained the main website and led content updates
Tech: HTML5 • CSS3 • WordPress • JavaScript • Bootstrap • Node.js
JavaScript / TypeScript • Angular • Node.js • Express.js • MongoDB • Next.js • React • Ionic + Capacitor
TailwindCSS • Bootstrap • PrimeFaces • Shadcn/ui • Figma • Balsamiq
Hybrid Ionic apps • Google Play & App Store deployment
Jasmine + Karma • Nightwatch.js • Vitest
AWS • Redis • Docker • Firebase • Cloud Functions • Real-time databases
Git / GitHub • Jira • RESTful APIs • Responsive design
Free macOS menu bar suite: CommitBar (Git stage/commit/push), RunBar (bun/npm/yarn/pnpm scripts with kill & retry), and UsageBar (Claude, Cursor, ChatGPT usage at a glance).
Tech: macOS • Menu Bar • EntelXCore
Lightweight athlete performance and training tracker for coaches and teams. Real-time data, magic link auth, RBAC.
Tech: React • Firebase • TailwindCSS • Vite • ShadCN UI
Live race schedule for the 36th Panhellenic Canoe-Kayak Sprint Championship 2026 — used on-site at the championship.
Tech: Next.js • TypeScript • TailwindCSS • Netlify
Event planning platform for Greece — browse categories and event types, discover professionals, bilingual (EN/EL) marketing experience.
Tech: Next.js • TypeScript • TailwindCSS • i18n • Netlify
CLI that upgrades npm dependencies with install + validation after each bump and rolls back on failure.
Tech: TypeScript • Node.js • CLI
Linux desktop helper for AppImage and .deb installs.
Tech: Python • PyQt5 • Shell • Linux
$ cat network.cfgEmail: alexlibe95@gmail.com
LinkedIn: linkedin.com/in/alex-lymperopoulos
GitHub: github.com/alexlibe95
Booting up creativity • Deploying impact • Ready to build amazing applications