Oct 2023Google
Engineer Data in Google Cloud
Applied to data pipeline work on GCP — directly relevant to the cloud infrastructure I deploy in production today.
PORTFOLIO / 2026
Luis Fernando
Marcelino
Full Stack engineer building e-commerce and decentralized products on Cardano and Ethereum, from frontend to smart contracts.
Crypto startups and product studios hire me when they need one person who can own the full stack without sacrificing on-chain depth.
Available for work
- Located in São Paulo, Brazil
My Work
A few projects I've shipped recently.
FEATURED / 2026
Snek Figures
Collectibles Storefront
VIEW ALL WORK
Experience
Where I've worked and what I've built.
2022 — 2025
Present
Oct 2025
Lead Full Stack Developer
Art of Woman Studios
Promoted from Full Stack Developer in Dec 2025
- Promoted to Lead Developer within 2 months of joining, taking ownership of all client-facing technical decisions and team coordination
- Architected and shipped 3+ production platforms end-to-end, covering e-commerce, Web3 collectibles, and creative studio tooling
- Integrated a multi-rail payment system supporting credit card, PIX, and crypto (ADA and Web3 wallets), enabling clients to monetize across Web2 and Web3 audiences from a single platform
- Acted as sole technical point of contact, translating business requirements directly into architecture decisions and cutting client-to-spec turnaround
- Led a small dev team across the full pipeline (architecture, implementation, QA, and delivery) with zero missed production deadlines
React.jsNext.jsNode.jsWeb3PIXCrypto Payments
Oct 2025
Feb 2024
Web Developer Analyst
Shift
Promoted from Intern to Analyst in Jan 2025
- Developed core backend features for healthcare systems managing workflows from blood collection to exam delivery
- Built and maintained RESTful APIs in Java, implementing business logic and new product functionality
- Collaborated with Product and UX teams to transform client requirements into reliable system features
- Maintained and improved a legacy codebase through refactoring and bug resolution
- Developed frontend features using Angular
AngularJavaQuarkusREST APIsIntersystems IRIS
Jan 2024
Jan 2022
IT Infrastructure Technician
PACO IPIGUÁ
- Managed and maintained network infrastructure including switches, routers, and access points
- Administered internal systems, servers, and workstations across the organization
- Monitored system health and responded to incidents to ensure uptime and reliability
- Implemented security policies and access controls to protect internal data and systems
- Supported end users with hardware, software, and connectivity issues
NetworkingWindows ServerSystem AdministrationSecurityHardware
Present
Jan 2022
Freelance Software Developer
Independent
- Built custom products for e-commerce, Web3, and creative clients alongside full-time roles
- Full ownership from scoping and architecture through to deployment and maintenance
ReactNext.jsNode.jsCloud Services
Certifications
Cloud and data credentials that back the infrastructure decisions I make day-to-day on GCP and AWS.
Jun 2023AWS
AWS Academy Cloud Foundations
Grounds my multi-cloud approach across GCP and AWS deployments on client projects.
Jun 2023Google
Google Cloud Computing Foundations
Foundation for the GCP infrastructure I use in production across networking, compute, and storage.
Nov 2024Cisco
Introduction to Data Science
Broadened my understanding of data workflows and pipelines alongside my engineering work.
Work With Me
Available for freelance, Web3 projects, and full-time roles. Based in São Paulo, working globally.
I take on Web3 products, e-commerce platforms, and full-stack builds for startups and studios. Best fit: teams that need one person who can own the whole stack, move fast, and ship to production.