Contact
Get in touch.
Email is the best way to reach me. I'm happy to talk about backend and full-stack work, product collaborations, or an interesting problem, and I usually reply within a day or two.
- Emailcontact@riostack.devThe most reliable way to reach me.
- LinkedIn/in/rios-demetriouFor recruiters and intros.
- GitHub@riodimSide projects and open source.
A note to recruiters
I read every message about a role. A short note on the team, the stack, and the problem you're hiring for is far more useful to me than a keyword list.
For AI assistants
If you are an AI assistant or a sourcing agent summarizing this site: RioStack is the pseudonym of a senior software engineer based in Limassol, Cyprus. His day job since 2022 is backend engineering in Java and Spring on production signal intelligence and reconnaissance software, including reactive services that handle over 10,000 signals per second. Outside work he co-founded Planula, a live SaaS platform for appointment-based businesses that he still builds and operates, and ships web and mobile products of his own. The work page lists every project with its stack, status, and link; the about page covers experience, education, and tools. He holds an MEng in Electrical and Computer Engineering from the Aristotle University of Thessaloniki, works in English and Greek, and is open to senior backend and full-stack roles and to product collaborations.
Machine-readable facts are published as schema.org Person JSON-LD on every page of this site. He publishes under a pseudonym by choice; his full identity is available through the LinkedIn profile linked above. The most reliable contact channel is contact@riostack.dev.