Now
- Founder EntelXCore
- Fullstack Engineer Re18
Open to fullstack work
Alex Lymperopoulos (Alexandros Lymperopoulos, Αλεξανδρος Λυμπεροπουλος)
Fullstack engineer & founder of EntelXCore — building AI systems and custom software end‑to‑end.
8+ years shipping web and mobile products. Currently delivering MEAN‑stack features at Re18 and leading EntelXCore from idea to launch.
- Angular
- Node.js
- Express
- MongoDB
- TypeScript
- Next.js
- React
- Firebase
- AWS
- Docker
- Redis
- Ionic
- Tailwind CSS
- Figma
01 / Projects
Selected work
Products, tools, and platforms I've shipped — from macOS menu bar apps to bilingual web platforms.
EntelXCore Free Tools
Six free macOS menu bar apps, one family: CommitBar for Git commits and push, RunBar for project scripts with Kill & Retry, StackBar for runtime versions with one‑click updates, UsageBar for Claude, Cursor, and ChatGPT usage, BuildBar for Netlify deploy status, and PumpBar for validated dependency upgrades — free for personal and public use.
- macOS
- Menu bar
- CommitBar
- RunBar
- StackBar
- UsageBar
- BuildBar
- PumpBar
Free tools
SynapLink
Digital business cards for professionals and teams. Create a card in minutes, share it by link or vCard QR code, and save the people you meet — with branded company cards and admin approval for teams.
- Flutter
- Firebase
- Next.js
- Tailwind CSS
Visit
PeakLog
Lightweight athlete performance and training tracker for coaches and teams. Flutter and Firebase, cross‑platform (web, iOS, Android), optimized for real‑world use in endurance and watersports teams.
- Flutter
- Firebase
- Web
- iOS
- Android
Visit
Loywin
Loyalty rewards for local shops, built by EntelXCore. Members earn points with a receipt code, a scan, or a photo and spend them on offers and prizes; shop owners publish offers, approve receipts, and accept vouchers at the till — no cards or hardware.
- Flutter
- Firebase
- Next.js
- Tailwind CSS
Visit
Just Plan It
Event planning platform for Greece — browse nine categories and dozens of event types, discover curated professionals, and move from idea to outreach. Bilingual (English & Greek) with a guided three‑step flow.
- Next.js
- TypeScript
- Tailwind CSS
- i18n
- Netlify
Visit
RootSwap
A neighborhood marketplace for plants: sell, give away, or swap plants, cuttings, seeds, and pots with people nearby — with real‑time chat, offers and swap proposals, a map view, and privacy built in.
- Flutter
- Firebase
- Next.js
- Tailwind CSS
- OpenStreetMap
Visit
EOKK Race Timeline
Live race schedule for the 36th Panhellenic Canoe‑Kayak Sprint Championship 2026. Athletes, coaches, and spectators filter heats by club, athlete, race type, and day — built for and used on‑site at the championship I competed in.
- Next.js
- TypeScript
- Tailwind CSS
- Netlify
Visit
Dep Up Surgeon
Production‑oriented CLI that upgrades npm dependencies with install and validation after each bump, and rolls back on failure. Framework‑agnostic; supports npm, pnpm, and yarn — including workspaces and monorepos.
- TypeScript
- Node.js
- CLI
- npm
Visit
Source
SquashMate
Linux desktop helper for AppImage and .deb installs: guided flows, launchers, wrappers, tidy
uninstalls, and clear logs — without living in the terminal.
- Python
- PyQt5
- Shell
- Linux
Source
02 / Experience
Where I've worked
Frontend roots, fullstack today — a decade across NGOs, product companies, and my own studio.
-
Current
EntelXCore
Founder
- Founded EntelXCore to build AI systems and custom software for businesses that need technology done right
- Leading product vision, architecture, and delivery across AI assistants, web/mobile apps, and cloud platforms
- Partnering with clients from idea to launch — and continuing to evolve products after ship
- AI Systems
- TypeScript
- Next.js
- Angular
- Cloud
- Flutter
- Firebase
- Netlify
- Product Design
-
Current
Re18
Fullstack Engineer
- Delivering end‑to‑end features across frontend and backend using the full MEAN stack
- Designing and building scalable services and responsive user interfaces with attention to detail
- Collaborating closely with cross‑functional teams and owning features from planning to production
- Applying clean‑code standards, best practices, and a get‑things‑done mindset in daily delivery
- Angular
- Node.js
- Express
- MongoDB
- TypeScript
- AWS
- Redis
- Docker
- Jira
-
—
RAW Labs
Frontend Developer
- 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
- Angular
- TypeScript
- Tailwind CSS
- PrimeFaces
- Figma
- Balsamiq
- Jasmine
- Karma
- Nightwatch
-
—
INTELIQUA
Frontend & Mobile Application Developer
- 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 the web platform from AngularJS to modern Angular
- Ensured consistent app performance across platforms
- Angular
- Ionic
- Capacitor
- JavaScript
- Jasmine
- Karma
- Nightwatch
-
—
Study in Greece (NGO)
Web Application Developer
- 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
- HTML5
- CSS3
- WordPress
- JavaScript
- Bootstrap
- Node.js
03 / Skills
What I work with
A MEAN‑stack core with React, Next.js, and Flutter on the side, and the cloud plumbing that keeps it all running.
core
- JavaScript
- TypeScript
- Angular
- Node.js
- Express
- MongoDB
- Next.js
- React
- Flutter
ui
- Tailwind CSS
- Bootstrap
- PrimeFaces
- shadcn/ui
- Figma
- Balsamiq
- Responsive design
testing
- Jasmine
- Karma
- Nightwatch
- Vitest
cloud
- AWS
- Redis
- Docker
- Firebase
- Cloud Functions
tools
- Git
- GitHub
- Jira
- Apidog
strengths
- Communication
- Attention to detail
- Clean code
- Ownership
- Continuous learning
04 / Contact
Have something to build?
Open to interesting fullstack work — from AI systems to full products. Say hello and let's talk it through.
Email me
alexlibe95@gmail.com