Carlos Cardona

Messaging platform where experts & creators monetize private conversations with their audience.

• Built the product end-to-end: chat, video calls, match, referrals, subscriptions, payments.
• Built the AI layer: chat copilot, live translation, conversation memory, content moderation.
• Built an agentic workflow with guardrails and pre-deploy functional and visual tests.
• Launched 3 times, repositioning on creator feedback. Got interest from a strategic acquirer.

Growth partner for eCommerce. Helping retail brands deliver personalized online shopping experiences for peak performance and growth

• Hired as consultant, became CTO of a US e-commerce selling millions.
• Personalization engine across 68K customers; 3x conversion.
• Built one of the fastest eCommerce sites: under 1s on mobile, PageSpeed 29 to 100.

Smart system for restaurants, using AI to cut busywork and lift profitability.

• Designed the whole product and built the backend end to end.
• Built personalized suggestions from ratings, diet, allergies and budget; tested with 60 diners.
• Made it white-label and multi-tenant: each restaurant on its own branded domain.
• Onboarded ~10 restaurants and ran live in two Madrid locations.

Classifieds site where independent professionals advertised their services.

• Grew it from zero to 4.6M visitors, with SEO as the core growth engine.
• Recruited and led the team of 10+ engineers, marketers and support agents.
• Owned design and product direction.

Telemedicine app built by a volunteer team during COVID.

• Designed the full product experience: triage, 2:1 pay-it-forward subsidy consultations.
• Co-led a 40-person remote team as product head: developers, designers, doctors.
• Shipped a voice-based triage returning COVID probability.

eLearning platform teaching women in Latin America to earn money from DIY projects.

• Grew it from zero to 70,000+ registered users across 20 countries.
• Optimized product and conversion iteratively, until lifetime value was 8x acquisition cost.
• Hired and led a ~20-person product team; owned roadmap, marketing, and growth.

Venture builder pairing entrepreneurs with investors to co-create startups.

• Launched 5 ventures in 3 years across edtech, proptech and marketplaces.
• Won ~$300k in grants as a recognized entrepreneurial support entity.
• Domoly won most innovative business at Bogotá's real-estate fair; 200 investors registered.

Digital agency serving consumer brands.

• Served 30+ clients including Coca-Cola, McDonald's and G4S.
• Consulted on tech for a construction company; sales grew $2M to $10M.
• Sold the agency to a larger BTL agency buying its online capability.