Хавьер Эрнандес

CTO

Direct the technical architecture of an asset-tokenization ecosystem built on its own chain.

• >Set the ADR-driven engineering standard enforced in CI across every repository in the ecosystem
• >Direct the chain (Substrate, Frontier EVM), the Solidity contract suite on Base, and the investor dApp, explorer and admin console

Protocol Security Architect & Senior Blockchain Engineer

Lead the transition to a secure-by-design architecture for a decentralized protocol, bridging system design with the CTO/Tech Lead and the implementation of defensive mechanisms.

• >Designed concentric Zero Trust security rings to isolate critical protocol assets
• >Ran STRIDE threat modeling with the Tech Lead and hardened smart contracts against reentrancy and front-running

Senior Cloud Developer (Subcontracted)

Analyzed and maintained a world-scale marketing events and reservations platform.

• >Built serverless workflows with Lambda and Step Functions backed by DynamoDB
• >Ran Elasticsearch-backed search across the reservations platform

Senior Cloud Developer (Subcontracted)

Maintained an expense-consolidation platform running on NetSuite.

• >Fixed bugs and reviewed other developers’ code
• >Reconciled corrupted account balances back to a consistent state

AI Integrator, Senior Fullstack Developer

Built AI solutions to optimize Shopify store performance across the full e-commerce cycle.

• >Automated strategic SEO meta tag generation
• >Built a predictive analytics dashboard for decision-making

Blockchain & Frontend Engineer

Built the contract layer and the trading interface for a DeFi investment platform.

• >Implemented staking, yield farming and automated market maker contracts
• >Built the dashboards traders use to read live price feeds and portfolio performance

Team Leader, AI Software Engineer

Led a team building AI-based virtual assistants for e-commerce environments.

• >Directed technology selection and architecture design across the team
• >Raised assistant performance and user satisfaction through continuous improvement cycles

Fullstack Developer

Designed and deployed Proof-of-Work and Proof-of-Stake blockchain prototypes.

• >Implemented smart-contract ecosystems for digital asset management
• >Led the developer team through technical execution

Nepheral

No single node ever holds a complete message. Every payload splits into Shamir secret shares, scatters across an independent QUIC mesh, and only comes back together once enough fragments answer.

KYMTC

An asset-tokenization ecosystem built on its own chain. One engineering standard, enforced in CI, answers for every repository in it.

Alma Viva

Table booking for private events, not ticketing. Guests watch availability change live and hold a table with a per-person deposit through Stripe.

Qawakun

An autonomous AI agent that watches social media and settles its own blockchain transactions, paired with a Farcaster mini-app that turns it into narrative gameplay. 1,000+ interactions a day at 99.9% uptime.

Metasuyo

A Web3 storefront with the cart wired straight into the contracts: NFT marketplace, on-chain product verification, and checkout across multiple chains behind a normal-feeling UI.

Defily

Staking, yield farming and AMM contracts, surfaced as dashboards traders actually read: live prices, portfolio health, full transaction history.

Rapidito

Order management for vendors, free at the point of use, with optional Odoo ERP integration. The Expo app puts the same operation in the vendor’s pocket, offline-first, syncing once the connection returns.

Atiendelo

Customer service that runs on WhatsApp and Telegram, answered by OpenAI, Llama or Claude over a real-time WebSocket pipeline built to hold under load.

MDA Streaming App

A Go microservice built to keep media streaming smooth past 15,000 concurrent viewers: a 40% latency cut and 99.8% uptime, not a demo number.

SUNAT Integration System

Integration with SUNAT, the Peruvian tax authority: generates and digitally signs electronic shipping guides, then handles the government’s confirmation receipts end to end.

Rindegastos-Invetsa Sync

A C# sync service that keeps expense reports and SAP B1 in agreement automatically, cutting manual processing time 85% for 500+ users.

SEO Hero AI Alt Text Generator

A Shopify app that writes SEO alt text for a whole catalogue in bulk, in the brand’s own voice, in more than one language.

And More

Everything else: Kafka event streams, Apache Beam pipelines, high-performance C++ services, Unity simulation tooling, Bash automation, RabbitMQ brokers, SNORT intrusion detection.