Orestes Mersinias

Founded Ocyan to build software for industries software has ignored. We build custom systems where they're needed and run a SaaS platform that's digitising Greek maritime from the inside out.

* Clients typically break even within 18 months because we build for the operation, not around it.
* Pioneered a SaaS platform for Greek maritime port agencies with direct integration into the Hellenic Coast

Solved complex systems and architecture challenges for global technology and industrial companies, shipping production code across consumer electronics, smart infrastructure, and robotics.

Yunex Traffic (ex-Siemens) — Designed backend architecture for a smart traffic light system now deployed in major cities including London and Bristol. Focused on API design, data layer optimisation, and system

Owned the design and delivery of cross-platform features used by tens of millions of Alexa users, working across engineering, product, and design teams.

• Built the deep-linking integration between Alexa and YouTube on multi-modal devices — shipped to 12M users
• Designed and delivered single sign-on for Alexa on smart TVs, simplifying authentication across thousands of device models for 40M user

Joined a deep-tech startup building next-generation satellite communications hardware to lead the embedded software effort.

• Architected and built the real-time satellite tracking system for a phased array antenna — processing live sensor data to maintain lock on moving satellites
• Designed a modular, testable driver library that became the foundation for the team's embedded stack
• Built the O

First firmware engineering hire. Wrote the first line of code. Took the firmware from nothing to a fully working range of AR devices in under six months.

• Built the entire embedded firmware stack from hardware bringup to production — real-time spatial tracking with sub-millisecond latency requirements
• Owned the full development lifecycle: architecture, implementation, testing, and production h

Directed and produced films and documentaries across the UK and internationally. 37+ professional credits, 1 award, 2 festival nominations.

• Managed crews of up to 50 people on fixed budgets with immovable deadlines
• Handled everything from creative direction to production logistics, stakeholder management, and post-production delivery
• The best operations training I never paid for

Updated and managed the digital presence and internal systems of a legacy healthcare company, at a time when most businesses didn't even have a website.

• Led the digital transformation effort across the organisation
• Built and maintained the company website and client-facing digital platforms
• Introduced workflow automation to replace manual administrative processes
• Early experience in a reg

Completed a Bachelor's degree in Digital Systems at the University of Piraeus.