Fintech, Crypto & Product Expertise

Architecture & Strategy for Fintech, Crypto, and Product-Driven Startups

Helping high-growth teams design scalable, compliant, and investor-ready platforms.

Building complex digital products is hard.

You're facing technical complexity, regulatory constraints, and pressure to move fast. Whether you're validating your MVP or scaling to new markets, smart architectural decisions can save you months of work — or prevent costly mistakes later.

Expert support, without hiring a full-time CTO.

I help fintech, crypto, and product teams design better architectures, navigate compliance, and scale faster. You get senior-level technical leadership — when you need it, how you need it.

What You Get

Strategic clarity for your roadmap

Clear technical direction aligned with business goals

Scalable architecture with less risk

Future-proof systems that grow with your business

Solid foundations for compliance & audits

Regulatory-ready infrastructure from day one

Tech guidance aligned with product goals

Technical decisions that support your vision

More confidence with investors

Articulate your technical strategy with authority

Stronger partnerships

Technical credibility in partner discussions

Services & Engagement Options

Strategy Call
One-time call for focused input
  • 60–90 min video call
  • Deep dive on product, architecture, or compliance
  • Actionable takeaways
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Architecture Review
Comprehensive tech audit before scaling or raising
  • Full review of architecture & infrastructure
  • Compliance & risk review
  • Written recommendations
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Fractional CTO
Ongoing support for growing teams
  • Weekly calls with founders or leads
  • Slack/email async access
  • Optional: design/code reviews or partner calls
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Trusted by top fintech, crypto & product teams

Helped a YC-backed LATAM neobank reach break-even with 10K+ users in under 6 months

Designed Binance-integrated fiat-crypto infrastructure processing $1M+/month

Issued a compliant peso-backed stablecoin with 180K+ verified users, deployed across 5 chains

Delivered a zkEVM-based L2 and custom DEX using Uniswap forks

Shaped an invoicing platform enabling freelancers to receive crypto or local fiat

Who's behind this?

I'm Ezequiel Calvo — an engineer with 15+ years in fintech, blockchain, and technical leadership. I've built products used by thousands, integrated with global exchanges, and launched compliant platforms across LATAM and beyond.

Let's build something great.

Reach out to discuss your product or schedule a strategy call. I'll reply personally.