Oscar Arson Saiz

Founder and CEO, Kavaliero. Co-founder and CTO, Authect. CTO, SHPD.

Profile

I'm Oscar, a founder and engineer based in Dubai. I start companies and build their products myself, from the first sketch to the production deploy.

In 2024 I co-founded Authect, a software, web and AI studio, and I run its engineering as CTO. Since 2025 I have also been CTO at SHPD, a shipping platform between Spain and Latin America. In 2026 I founded Kavaliero, a studio for websites, SaaS platforms and AI automation, where I am CEO.

My work sits where design and engineering meet: WebGL and motion on the surface, data models, integrations and security underneath. I have also led cybersecurity and AI development at a Madrid law firm, and that habit of asking what can break stays in everything I ship. My approach is straightforward: build, secure, automate, grow.

Experience

Founder and CEO, Kavaliero

May 2026 to present. Remote.

Independent studio for websites, SaaS platforms and AI automation, working with companies in Venezuela, Latin America and beyond.

  • Lead design and engineering on every build: the studio site, Kavaliero Systems, Leadesse and Nelly Morales.
  • Built kavaliero.com in Spanish and English on Next.js 16, with eight code-split WebGL scenes held to one performance budget.

Co-founder and CTO, Authect

Apr 2024 to present. Dubai, remote.

Software, web and AI studio registered in Dubai, working with founders in the UAE, Europe, the US and Latin America.

  • Lead the design and delivery of the studio's AI automation, cybersecurity and web work.
  • Architected authect.com in five languages, with an admin behind 2FA that is enforced in the proxy, the server guards and Postgres row-level security.
  • Built a content engine on Claude that researches, writes and schedules articles under deterministic QA and hard spend caps.
  • Led engineering on client builds including Luka Capital. Now growing the studio's presence in Dubai.

Chief Technology Officer, SHPD

Mar 2025 to present. Remote.

Shipping platform with real-time tracking, moving parcels from Spain to Venezuela and Cuba through trusted carriers or travellers already making the journey.

  • Designed and coded the mobile app for iOS and Android myself, from the first screen to the store release.
  • Built the admin platform the operations team uses to run shipments, orders, payments and pricing.
  • Own pricing, Stripe payments with Apple Pay and Google Pay, sign-in and notifications.

Chief Cyber Security Supervisor, Chief AI and Software Developer, LABE Abogados

Oct 2024 to Jul 2025. Madrid, on site.

Law firm. Joined as an intern in software engineering and AI, then led the firm's cybersecurity and its internal AI and software development.

Selected work

Kavaliero

Studio website. Kavaliero, 2026.

The studio site: two languages and eight WebGL scenes held to one performance budget.

Leadesse

SaaS platform. Kavaliero, 2026.

Lead search, qualification and outreach in one workspace, with a person approving every send.

Luka Capital

Corporate site and property platform. Authect, 2026.

A Madrid real-estate group's site, fed live by its property-management system and editable string by string.

Luka Studio

Admin studio. Authect, 2026.

The studio lukacapital.co is run from: click a sentence on the real page, rewrite it in both languages, and it is live on the next request.

Nelly Morales

Personal-brand website. Kavaliero, 2026.

A Caracas real-estate professional's site: one scroll-scrubbed sequence, a WebGL page-peel and five languages.

Authect

Studio site, CMS and content engine. Authect, 2026.

A studio site in five languages, an admin behind mandatory 2FA and an engine that researches, writes and schedules its own articles.

SHPD

Shipping app, API and admin. SHPD, 2025.

A shipping app from Spain to Venezuela and Cuba, designed and built end to end, with the admin platform that runs it.

Ocean Nexus

Port operating system. Authect, 2025.

An operating system for a container port: vessels, yard, gates and machines on one screen, fed live from the terminal.

Kavaliero Systems

Division website. Kavaliero, 2026.

The site for Kavaliero's security division: a WebGPU glass hero and a chrome object for every service.

Skills

Languages
TypeScript, JavaScript, Python, Go, Rust, Java, C#, C++, Ruby, R, SQL, Bash, GLSL
AI software development
Claude API, OpenAI API, Gemini API, AI agents, Agent workflows, Model Context Protocol, Claude Code, Retrieval-augmented generation, Voice agents, Vertex AI Search, Prompt engineering
Web development
React, Next.js, Tailwind CSS, CSS Modules, Vite, Zod, Zustand, React Hook Form, Radix UI, next-intl, Accessibility (WCAG 2.2)
3D, graphics and motion
WebGL, WebGPU, three.js, React Three Fiber, OGL, GLSL shaders, GSAP, Lenis, Motion, Particle systems, Post-processing
Back-end development
Node.js, Express, FastAPI, REST APIs, Webhooks, Auth.js, Stripe, Whop, Resend
Data
PostgreSQL, Supabase, MongoDB, Redis, Prisma, Drizzle, pgvector, Database design, Row-level security, Sanity
App development
React Native, Expo, App Store Connect, TestFlight, Google Play Console, Push notifications, Apple Pay and Google Pay
Cloud and systems
Google Cloud Platform, AWS, Microsoft Azure, Vercel, Railway, Cloudflare, Docker, Linux, Networking (TCP/IP, DNS, VPN), Git and GitHub, Hardware troubleshooting
Cybersecurity
Penetration testing, Threat and vulnerability management, DDoS mitigation, Burp Suite, Nmap, Metasploit, Kali Linux, Wireshark, OWASP Top 10, MITRE ATT&CK, NIST Cybersecurity Framework, ISO/IEC 27001, GDPR
Application security
2FA and RBAC, OAuth 2.0 and OpenID Connect, Passkeys and WebAuthn, CSP and header hardening, SSRF-safe fetching, Email authentication (SPF, DKIM, DMARC)
SEO
Search engine optimization, AI search optimization (GEO), Schema.org structured data, International SEO, Core Web Vitals, Google Search Console
Automation
Workflow automation, n8n, Web scraping, Puppeteer, Playwright, Google Places API, Twilio, WhatsApp Business Platform
Spoken languages
French, Spanish, English