Aureliano Alarcon Smith
Blockchain Engineer & Full Stack Developer
Results-oriented Software Engineer with 17+ years of international experience in blockchain, smart contract development, e-commerce systems and digital marketing. Designing DeFi protocols, secure content systems and large-scale platforms.
About Me
I am a results-oriented Software Engineer and technology leader with 17+ years of international experience spanning blockchain, smart contract development, e-commerce systems and digital marketing — with a proven track record designing DeFi protocols, secure content systems and large-scale platforms.
My expertise lies in backend and blockchain engineering — from Solidity smart contracts and Layer 2 integrations to Node.js / NestJS micro-service architectures. I move fluidly between backend and frontend (Next.js, Vue, React) to deliver end-to-end products, from protocol design to user interface.
With strong leadership across cross-functional teams, I've served as CTO, Lead Blockchain Engineer and Senior Developer for organizations ranging from Nike (RTFKT) and Gameloft (Ubisoft) to LAMA Fintech, Privy Technologies and SMITHII — shipping DeFi protocols, fintech rails and content-ownership systems. Fluent in English and Spanish.
Technical Proficiencies
Blockchain & Web3
Frontend
Backend
DevOps & Tools
Career Experience
Architecting and building DeFi solutions with Smart Contracts for LAMA Fintech across Ethereum, Base, Binance, Solana, Tron and Bitcoin. Designing solutions for tokenized assets, crypto card payments, and asset exchange on top of an advanced micro-service architecture combined with a Smart Contract architecture for DeFi and Fintech.
Architected, built and deployed a DeFi protocol on Ethereum, Polygon, Base, Arbitrum, Avalanche and Binance mainnets. Integrated smart contract modules including Antibot, Anti-Whale, Airdrops, Staking, Referral Programs and Pool Management with Uniswap. Improved project tracking efficiency by 30% through a modular smart contract architecture and achieved 100% uptime with 5,000+ transactions in the first 3 months.
Built NFC/Blockchain authentication protocols to combat product counterfeiting. Developed a proprietary mobile app for secure verification with 95% satisfaction in beta testing and reduced counterfeit incidents by 40% across eBay-style platforms.
Engineered a blockchain content ownership protocol using a public chain combined with decentralized storage. Implemented invisible watermarking and account abstraction, increasing content security by 50%. Led product development adopted by 85% of 500 beta testers.
Led Web3 development with a 4-person team on Ethereum. Delivered smart contracts under a $500K budget — 20% faster than projected — and enabled 3,000+ on-chain interactions in the first month post-launch.
Built a microservice ecosystem with Node.js, Express and RethinkDB supporting 10,000+ daily active users and reducing API latency by 25%. Contributed to scalable dApp infrastructure handling 500,000+ transactions.
Designed and built a global payment system integrated with Stripe, PayPal, MercadoPago and others ($2M+ processed). Created the frontend with Laravel, Vue and Nuxt for benelli.bike/int-en, boosting engagement by 15% and revenue by 20%.
Built the backend/API for a vehicle assistance app in PHP Laravel and MySQL. Supported 10,000+ monthly users and reduced incident response time by 35%.
Deployed a multisite system with 20+ microservices on Google App Engine with Laravel. Improved system performance by 40% and decreased load times by 2 seconds per site.
Led the team that delivered an iOS mobile chat app using XMPP and RESTful APIs. Project shipped 1 month early and 15% under budget, reaching 10,000+ downloads.
Launched 10+ e-commerce platforms using a Zend-based framework and managed subscription billing systems generating $5M+ in revenue.
Delivered 15+ digital campaigns for clients such as HASBRO, DirecTV and Nokia. Increased client ROI by 25% and managed $1M+ in project budgets.
Featured Projects
Professional Resume
Download my complete CV to learn more about my experience and qualifications
PDF format • Updated May 2026
Get In Touch
Let's Work Together
I'm always interested in discussing new opportunities, innovative projects, and collaborations in blockchain technology and full-stack development.