Case Studies

Products I have led as CTO, architect, or AI lead, from strategy and architecture through production.

BankSmyth

Fractional CTO engagement for a fintech startup whose non-technical founders had an AI-built platform they could not safely launch. I ran the architecture review, set the technical strategy, fixed the critical security and stability issues hands-on, and delivered a production-ready first release.

My role: Fractional CTO / Architect: full architecture review, technical strategy and 12-18 month roadmap, critical fixes hands-on, release preparation

Result: Transformed a fragile vibe-coded prototype into a production-ready fintech platform. Fixed critical issues hands-on, built a long-term strategy, and delivered a team fully ready for marketing and sales.

TypeScript · React · Next.js · Node.js · PostgreSQL · Fintech

Echios

AI coaching platform for corporate executives preparing for earnings calls. As principal architect and AI technical lead, I took the product from idea through PoC to production MVP: real-time audio pipeline, LLM-driven coaching, and cross-platform desktop builds.

My role: Principal Architect / AI Technical Lead: owned architecture, technology bets, and delivery end to end

Result: Delivered a production-ready desktop MVP with real-time audio pipeline, LLM-driven coaching, and cross-platform builds, from idea through PoC to release.

Python · AWS Bedrock (Claude) · AWS Transcribe · Deepgram · PyTorch · scikit-learn · OpenSearch Serverless · DynamoDB · Lambda · S3 · CloudFormation/SAM

Monthlee

Multi-tenant subscription platform for local shops, which I led as CTO and lead architect from concept to MVP. Shops get their own branded storefront and subscription checkout; customers manage deliveries and billing from a personal cabinet. Built with Next.js 15, NestJS, PostgreSQL, Clerk, and Stripe.

My role: CTO / Lead Architect / Full-Stack Engineer

Result: Designed and built a multi-tenant SaaS MVP with branded storefronts, Stripe billing, and a scalable foundation for multiple merchants.

Next.js 15 · React 19 · TypeScript · NestJS · PostgreSQL · Prisma · Clerk · Stripe · BullMQ · Google Cloud Run · Nx Monorepo

Clariox

My own startup: an AI speech coaching platform I founded and led as CEO and CTO, helping professionals improve communication through real-time meeting simulations, pronunciation assessment, and personalized feedback. Built with React/TypeScript and FastAPI/Python, integrating OpenAI, Azure Speech Services, Deepgram, and Stripe.

My role: Founder / CEO / CTO: built the strategy, chose the technology, negotiated tool partnerships, and led hands-on development

Result: Built and launched a production AI voice coaching platform with real-time speech analytics, multi-provider AI pipeline, and subscription billing.

React 18 · TypeScript · FastAPI · Python · OpenAI GPT-4 · Azure Speech Services · Deepgram · PostgreSQL (Neon) · Cloudflare R2 · Stripe · Google Cloud Run

DiscoverPortugalToday

A content-driven travel platform covering Portugal's regions, guides, and reviews. Led the project end to end as technical lead and architect, owning every key technology decision from PoC through MVP to production. Built with Astro, Tailwind CSS, Decap CMS, and deployed on Netlify.

My role: Software Architect / Technical Lead: owned technical vision, every key technology decision, and delivery from PoC to production

Result: Delivered a production travel platform with near-perfect Lighthouse scores, headless CMS for editors, automated SEO infrastructure, and an AI-powered content pipeline.

Astro 5 · TypeScript · Tailwind CSS · Decap CMS · Netlify · PostCSS · Zod

Dating B2B Platform

Built a white-label dating platform allowing clients to launch custom dating sites with their own branding, domain, and configuration. Included backend admin features and modular frontend system.

My role: Full-Stack Engineer, platform architecture

Result: Architected a modular white-label platform with per-client theming, real-time chat, and multi-tenant data isolation.

JavaScript · Less · React · Redux · PHP · MySQL · Laravel

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