First version to live systems

Products I've built, led and shipped.

Selected work across healthcare, marketplaces, fintech and SaaS, from early builds to live systems with users, payments and real traffic.

Selected work

Highlights of what I've built

SOC 2 certified

Set up the access controls, audit logging, encryption and security policies that took Lynx Educate's platform through SOC 2.

1 → 6 engineers

Owned the stack as first engineer at Collaborate Healthcare, then grew and led the team.

Stripe payments

Shipped DRAFA's payment flow end-to-end with Stripe.

RAG over pharma documents

Built RAG search and assistant flows over a large pharmaceutical document set for HTA-Hive.

Selected roles

Experience

Collaborate Healthcarecollaborate247.com

Jun 2019 — Present

Co-Founder & Senior Ruby on Rails Engineer

Built and launched a digital health product for chronic care workflows as first engineer; grew the team to six and led the React Native mobile apps.

  • Ruby on Rails
  • Hotwire
  • React Native

Protioprotio.gr

2024 — Present

Team Lead & Senior Ruby on Rails Developer

Leads engineering for a real estate marketplace, owning architecture and day-to-day delivery.

  • Ruby on Rails
  • React
  • PostgreSQL
  • AWS

Lynx Educatelynxeducate.com

2024 — Present

Fractional CTO & Founding Engineer

Co-founded the engineering for a platform that helps companies train their staff and build new skills. Led the technical side on Rails and Hotwire, and set up the access controls, audit logging and policies that took the product through SOC 2.

  • Ruby on Rails
  • Hotwire
  • SOC 2

HTA-Hivehiveoptimum.com

Oct 2025 — Present

Senior Full-Stack & AI Engineer · Project-based

Built AI/RAG features for an HTA research platform across Rails, Angular, FastAPI RAG services, and a SQL Gateway API.

  • Ruby on Rails
  • Angular
  • FastAPI
  • AI search

DRAFAdrafa.app

2025

Fractional CTO & Full-Stack Developer

Shipped a sports venue booking product end-to-end across a Rails API and React Native app, with Redis-backed real-time scheduling and Stripe payments.

  • Ruby on Rails
  • Redis
  • React Native
  • Stripe

IFADifad.org

May 2022 — Dec 2024

Ruby on Rails Developer

Delivered workflow automation that reduced manual internal processes and added granular role-based access control.

  • Ruby on Rails
  • PostgreSQL

Klarnaklarna.com

Sep 2021 — Mar 2022

Ruby Developer · Contract

Short-term contract helping scale a high-traffic API ahead of a major seasonal peak.

  • Ruby

Early web work

2006 — 2010

Web Developer

Student and early client work before Rails became my main stack: WordPress, Joomla, HTML/CSS/JS and PHP.

Side projects

Need someone to build the first version?

I work best with small teams that need backend, mobile, product thinking and practical AI work to reach production.

Let's work together