Software Developer Engineer
I design, build, deploy & operate production systems end-to-end — AI/LLM, trading, security & infrastructure. Self-taught. Assurance-minded.
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Real production systems. The case studies explain the engineering — the proprietary logic stays private.
services_&_pricing
What I can build for you. Indicative market rates — final scope & price agreed privately (could be more or less, depending on complexity).
AI / LLM Systems & Agents
Trading & Quant Systems
Web & App Development
Security Audit & Reverse Eng.
Automation & Bots
Full Startup MVP
▸ Available also as a contractor: €500–800 / day (remote / EU). All figures are indicative starting rates — every engagement is scoped and the final price is agreed privately, based on real scope, timeline and complexity.
ventures
Two products already built and ready — plus a studio that builds serious startups for clients, end-to-end.
Rural Connectivity & Community Platform
READY · PILOTINGOffline-first platform bringing connectivity, social and essential services to rural villages — community node, captive portal, multilingual PWA, store-and-forward federation. Impact-driven, grant-fundable.
Industrial Right-to-Repair Framework
READYConsumable interoperability for owned, out-of-warranty industrial machines — capture → analyze → emulate, per-machine plugins, safe-by-design. Built on EU right-to-repair.
Build your startup with us
FOR CLIENTSGot a serious idea? We take it from concept to a live, audited product — architecture, engineering, AI, launch. For clients who want it done right. Let's talk.
about
Self-taught engineer who turns ambiguous problems into reliable, auditable, well-governed software. 2M+ lines shipped across 8+ domains — automated financial trading, AI decision systems with multi-provider resilience, security auditing, protocol reverse-engineering for right-to-repair, and offline-first web platforms — all end-to-end, on a dedicated server running 24/7.
EU citizen based in Portugal — no work authorization required anywhere in the EU. Own delivery autonomously, communicate clearly, ship with an assurance mindset (GDPR / CE aware).
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Open to roles, contracts & collaborations — AI/LLM, trading systems, security, backend, startups. Remote or EU.