Software you own.Built to last.

Dimitrios RarrasFull-Stack Developer · Headless Commerce · Healthcare Software

See the case studiesGet in touch
PRODUCTION SOFTWARE FOR
  • Heartbeat Pharmacy
  • Zosimades Nursing Home
  • Ioannina Univ. Hospital
  • Komvos Ygeias
  • Kleidarakos B2B
  • pooq.gr

ABOUT

Dimitrios Rarras

Full-StackDeveloperinIoannina,Greece.Ibuiltthee-commerceplatformthatrunsHeartbeatPharmacy,andtheclinicalsoftwarethatrunstheZosimadesNursingHomeofIoannina.Bothareinproductiontoday.

TypeScriptReact 19Next.js 16AstroMedusa.jsNode.jsPostgreSQLRedisTanStack QueryReact Native
Dimitrios Rarras

SERVICES

What I do

Four service categories, each backed by at least two production systems.

WEBSITES

Live client websites

Six shipped sites, five built on the website-template I maintain, one (40Roomors) on a custom Next.js + headless CMS I wrote from scratch.

Heartbeat Pharmacy, Pharmacy · Storefront launching soonComing soon

Heartbeat Pharmacy

Pharmacy · Storefront launching soon

Next.js 16 · Medusa 2.14 · Meilisearch · PayPal · Pharma SOAP API

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Κόμβος Υγείας, Home healthcare services, Ioannina

Κόμβος Υγείας

Home healthcare services, Ioannina

Astro · Tailwind · Cloudinary CV-upload

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Dr Christos Kolettis, Dental surgeon, Ioannina

Dr Christos Kolettis

Dental surgeon, Ioannina

Astro · Tailwind · PhotoSwipe gallery

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Dr Maria Papadoliopoulou, Breast surgeon, Athens

Dr Maria Papadoliopoulou

Breast surgeon, Athens

Astro · Tailwind · Physician schema · 12 education articles

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Κέντρο Λογοθεραπείας Τρομπούκη Ευτυχία, Speech therapy clinic, Ioannina

Κέντρο Λογοθεραπείας Τρομπούκη Ευτυχία

Speech therapy clinic, Ioannina

Astro · Tailwind · Static export

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40Roomors, Tufting & textile arts, with a custom CMS I built

40Roomors

Tufting & textile arts, with a custom CMS I built

Next.js · custom headless CMS · MinIO assets

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PROJECTS

Projects & Case Studies

Ten case studies from systems in production today.

Heartbeat Pharmacy Platform

Medusa 2.14 / Next.js 16 / PostgreSQL

Employer

2024–present

Pre-launch
A full e-commerce platform for a Greek pharmacy, owned outright (no per-transaction SaaS bill), with regulatory data flowing in automatically and AI shrinking SKU enrichment from days to hours.. Lead Developer.

Kleidarakos B2B & Papanikolaou Doors

Medusa B2B / Next.js 16 / Express + TypeORM

Client

2024–present

A B2B marketplace replacing the spreadsheet-and-phone process for a Greek locksmith network. Quote workflows, multi-supplier catalog imports, and a 3D door configurator that lets customers visualise before ordering.. Lead Developer.

Γηροκομείο Ζωσιμάδων Ιωαννίνων: Healthcare Ops Stack

Bun + Elysia / Hono / PostgreSQL 18

Volunteer

2024–present

Three integrated systems that took the Zosimades Nursing Home of Ioannina off paper: clinical operations, inventory management, and a handheld scanner for shift inventory counts. Built as volunteer work, in production daily.. Volunteer Lead Developer & Maintainer.

Multi-tenant Calendar SaaS

Fastify 5 / PostgreSQL 16 + Drizzle / Redis + BullMQ

Personal

2025–present

A self-hosted booking platform: drop a single script tag on any business website and you have availability, calendar sync, and confirmations. Replacing Calendly-class SaaS for clinics, hairdressers, and service providers.. Lead Developer.

Migraine Tracker

React Native 0.81 / Expo 54 / Express 5

Personal

2025–present

Pre-launch
A migraine-tracking mobile app where the FHIR export is actually compliant: a neurologist can import the patient's history straight into their EHR. iOS and Android, works offline.. Lead Developer.

Rorsa Tools

TypeScript / Node.js 20+ / Vertex AI Nano Banana

Open Source

2025–present

An MCP toolkit that lets Claude (and other AI agents) generate, edit, and process images at production scale. 14 tools, batch processing, GPU-accelerated background removal. The toolkit that built this very portfolio's image set.. Maintainer.

WooCommerce Plugins for pooq.gr

WordPress / WooCommerce / PHP

Client

2023–present

Four custom plugins (ACS Courier, Skroutz feed, multi-vendor importer, Piraeus Bank gateway) shipped to a live Greek e-commerce store I maintain. The plugins fill the gaps stock WooCommerce leaves for Greek commerce. The ACS Courier plugin is open-source.. Lead Developer.

PGNI Hospital StorageManagement

Tauri 2 / Rust / React 19

Volunteer

2024–present

A Tauri + Rust + React desktop app that replaced a legacy C# WinForms system for tracking lab reagents and equipment at Ioannina University Hospital (Π.Γ.Ν.Ι.). Volunteer civic-tech work for a Greek public hospital.. Volunteer Lead Developer.

TaskFlow

Fastify / PostgreSQL + Drizzle / Redis + BullMQ

Personal

2024–present

An offline-first task-dispatch PWA for hospitality teams. Realtime updates via Socket.IO, BullMQ scheduler for recurring tasks, IndexedDB mutation queue so the app keeps working when the Wi-Fi drops. Multi-tenant SaaS, live and free at tasks.jimrarras.space.. Lead Developer.

Delivery Tracker

Fastify / PostgreSQL + PostGIS / Drizzle ORM

Personal

2024

A real-time delivery-dispatch system that assigns orders to drivers based on distance, current load, and historical performance. PostGIS spatial queries, Socket.IO driver tracking, scoring-based assignment iterated with the dispatch team.. Lead Developer.

NUMBERS

By the numbers

  • 10+Production systems shipped
  • 2Healthcare institutions under maintenance
  • 5Live client websites
  • 14MCP tools (Rorsa Tools)
  • 4Custom WooCommerce plugins

CONTACT

Let's talk

Available for collaborations, custom solutions, and questions. I reply within 1–2 business days.

Email
Based in
Ioannina
Get in touch