Dicoogle
Open-source PACS built around a document-indexing engine. I maintained it at IEETA and wrote the paper on its open-source journey.
◆ Section 02 · Professional
Professional
I write software people use every day. Today that's at Plex; before that it was open-source tools for medical imaging. Along the way I mentored MSc students and junior researchers.
Experience
Most recent first
Jun 2022 – now
Senior Software Engineer
Plex · Remote
Jun 2022 · Software EngineerAug 2025 · Senior
- Website Built Plex's social features for watch.plex.tv on Next.js App Router and Server Components: profiles, follows, lists, discussions, ratings and reviews, and threaded comments with mentions, GIFs and moderation.
- Smart TV & consoles Built the community experience in LightningJS for Samsung, LG, VIDAA, PlayStation and Xbox, including remote-control focus handling.
- Mobile & TV Built Plex's social features, including ratings and reviews, in the new React Native app.
- BFF Built server-driven UI screens and optimistic mutations in a BFF serving all clients (GraphQL, Cloudflare Workers).
- Shipping Shipped behind Statsig feature gates and A/B experiments, with Vitest and Playwright tests.
- Team Reviewed pull requests daily, ran website and TV releases, and mentored a new engineer in a ~15-person team with product, design and data.
Sep 2017 – May 2022
Researcher
IEETA, Universidade de Aveiro
Developed and maintained Dicoogle, aiming to grow its use across research units, academic institutions and the healthcare industry. From 2018 alongside my PhD.
Oct 2016 – Jul 2017
Intern / Student
BMD Software
Developed my MSc thesis in a company environment: an accounting mechanism for shared medical imaging repositories.
Mar 2016 – Sep 2017
Junior Researcher
IEETA · UA.PT Bioinformatics
Engineered a pioneering system to support digital pathology whole-slide images in the DICOM standard, in both repositories and a web viewer, dealing with multi-gigapixel images.
Oct 2015 – Aug 2017
Collaborator
Universidade de Aveiro
University ambassador in Portuguese high schools, and two studies on the employability of UA graduates.
Projects
github.com/rlebredicoogle-ipfs-storage
A Dicoogle plugin that stores medical images over IPFS, from my PhD work on decentralized storage.
WSI DICOM viewer
A desktop viewer for DICOM whole-slide pathology images, built for multi-gigapixel files.
Dicoogle website
The project website at dicoogle.com, with docs and downloads for the Dicoogle community.
Side projects
+Pinhal
Astro · SanityLive
Website for Associação +Pinhal, a non-profit defending the dune pine forest of Ovar. Bilingual, with news and a petition against clear-cutting.
maispinhal.pt: +PinhalLost Heritage
Vue · NodeIn the media
A community forum to track lost or abandoned public buildings around Portugal.
GitHub: Lost HeritageLightLex
LightningJS · TV
A Plex-style TV app written with LightningJS, to explore 10-foot UI and remote navigation.
GitHub: LightLexLightningJS TicTacToe
LightningJS
A small game to learn the LightningJS TV framework, before building anything bigger with it.
GitHub: LightningJS TicTacToeSkills
Domains
- Medical imaging
- DICOM
- PACS
- Streaming apps
- Social features
- Server-driven UI
- Access control
- Distributed systems
Technologies
- TypeScript
- React
- Next.js
- React Native
- LightningJS
- GraphQL
- Cloudflare Workers
- Node.js
- Vitest
- Playwright
- Statsig
- Java
- Python
- SQL
Languages
- Portuguese (native)
- English
- German (learning)