Andrea Ritondale
· Andrea0x.eth
Principal Engineer · IT Architect · AI Builder · Hybrid Technical Founder
Principal Engineer + IT Architect + AI Builder. I design, build and run complex IT systems end-to-end across multiple domains: AI engineering · multi-chain DeFi · production B2B pharma SaaS · Italian public sector (PNRR / cultural heritage).
Trusted by
Selected clients, institutions, and tools across pharma, public sector and Web3.
Enterprise Clients
Public Sector & Institutions
Built With
What I do
Multi-skill, multi-domain, generalist by design.
Traditional Software Engineering
Senior+ full-stack with production ownership: I write specs, design the architecture, deploy and maintain.
AI Engineering
I build production AI systems: agent loops with per-task tool whitelists, multi-tenant MCP gateways, custodial signing-services and code-level guardrails.
Cloud & DevOps
I run production infrastructure on GCP and DigitalOcean without a dedicated DevOps team.
Web3 / Blockchain
Multi-chain smart-contract integration (EVM + Algorand), ERC-4626 vaults, soulbound tokens (ARC-19 + ERC-5192), account abstraction, gasless UX.
IT Management & Digitalization
I orchestrate complex IT systems and turn traditional workflows into end-to-end digital flows.
Business Strategy
Revenue modeling, GTM, fundraising and business plans — tech with a founder mindset.
Featured Work
| Project / Pillar | Dev | AI | Cloud | Web3 | IT Mgmt | Biz |
|---|---|---|---|---|---|---|
HaeliasB2B SaaS · Pharma Procurement | ● | ○ | ● | ○ | ● | ○ |
Mandate.FinanceDeFi + AI agent layer | ● | ● | ● | ● | ● | ● |
Bando Ecomic Lotto 3 — MiC PNRR (DPaaS / DPass)Italian public sector · Cultural heritage · Blockchain data products | ○ | ● | ○ | ● | ● | ● |
FactorDeFi · Vault infrastructure · AI-native layer | ● | ● | ● | ● | ○ | ○ |
My Portfolio
Selected projects across Web3, AI, B2B SaaS and the public sector.
Haelias
Production B2B pharma SaaS: 5.5M+ MongoDB documents, ~14k cross-supplier in-stock products, 143 Express endpoints, 5 git repos, enterprise clients (Montefarmaco, Logista SPA).
Mandate.Finance
AI-native DeFi platform: 11 production-deployed workspaces in 5 weeks, multi-chain (same CREATE2 address on 3 chains), MCP gateway, gasless UX via EIP-7702 + ERC-7821.
Dual-chain Soulbound Token platform for cultural-heritage certification, born from the Rome Caput Mundi project (PNRR / NextGenerationEU). Algorand-first (ARC-3 + ARC-19, Pera Wallet, JWT backend) with EVM fork on Base (ERC-721 + ERC-5192, Privy, Hardhat/Foundry). Hybrid MINIO + IPFS storage, non-transferable certificates.
Artence Passkey
Passkey-native Algorand wallet: derives the secret key deterministically from a WebAuthn credential `rawId` via SHA-256, and exposes it to dApps via WalletConnect v2 with the `algorand:*` namespace. Web3 onboarding without seed phrase.
Raspberry Claw
Self-hosted AI agent on Raspberry Pi with Factor integration: autonomous on-prem agent with DeFi tooling, MIT-licensed, bilingual docs.
Synthetix Italia
Official Italian community of Synthetix.io.
Jigstack
Multi-product DeFi umbrella aiming to become a fully decentralized DAO.
Kwentize
Kwenta.io PFP customizer.
jWallet
DAO-managed EVM wallet.
Stakbank
Jigstack staking and governance platform.
Lemonade
Web3 launchpad — Initial Dex Offering platform.
FNDZ
DAO-managed DeFi copy-trading platform.
FNDapp
Online shopping assistant with in-progress Web3 integration.
Gallery
Premium NFT marketplace.
Santa
EVM crypto gifting.
My Experience
A journey through software, AI, blockchain and decentralized technologies.
Work Experience
Founding Product Engineer & Technical Co-founder
Founding engineer of an AI-native DeFi platform: 11 workspaces (6 Cloud Run runtime services + Foundry contracts + infra + 2 Next.js 15 frontends + test harness + docs) in 5 weeks (~1,300 commits, ~140k LOC). Single LLM loop over 7 job types + 8 strategy templates in Postgres, Python MCP gateway, signing-service with per-agent AES-256-GCM EOAs, ERC-7821 batch executor + UUPS billing treasury (127 tests) deployed at the same CREATE2 address on Ethereum + Base + Arbitrum. Gasless UX via Privy + EIP-7702.
Solo CTO / Principal Engineer
Solo CTO of a live B2B pharma SaaS (Montefarmaco, Logista SPA): 5.5M+ MongoDB documents, ~14k cross-supplier in-stock products, 143 Express endpoints, 16 Mongoose schemas, 5 RBAC roles, 493 backend tests with 68% statement coverage. End-to-end architecture across 5 git repos (Express BE + React 19 + craco UI + Rust worker + Vite landing + docs), 70% on-disk index footprint reduction + ~99% in cache avoiding a €1,260/year upgrade, custom search engine, modal warnings for €250k–€1M+ orders.
Technical-functional lead on ArtCertify + Blockchain Data Products
Technical-functional lead on ArtCertify and on the 4 blockchain Data Products (Metadata Catalog, Auto-linking, Blockchain+IPFS Certification, Linked Data) of the Ecomic Lotto 3 'Advanced Fruition' tender (MiC Digital Library / Invitalia, PNRR funding, Dialogo Competitivo D.Lgs. 36/2023). RTI Activa Digital + Civita Mostre, internal codename Terranova. Coordination with Sara (PO), Giulio (tech lead), Flavio Cipollina (AI PO), Roberto Donnofrio, Serena Nardoni (BA), Jacopo (functional analyst), Daniele Vettoretti (Data Product reference).
Founding engineer at Factor: backend, jobs, signing-service and UI for the DeFi strategy marketplace and automated vaults. Mix-and-match strategy templates, ERC-4626, multi-chain. Reference codebase still active for Web3 patterns.
Blockchain & Web3 Consultant
Technical and managerial consulting for Blockchain, Web3, DeFi and NFT companies across development, architecture and go-to-market.
Education
Professional Scrum Master I — Scrum.org
Certified Scrum Master.
Erasmus+ — St. Kliment Sofia University (BG)
International exchange program.
Blockchain Developer — Start2Impact
Comprehensive blockchain development training.
Blockchain Business — Dalian University of Technology (CN)
Blockchain programming + Chinese language.
Bachelor's Degree in Economics — University of Cassino and Southern Lazio (IT)
Dissertation: 'Blockchain to support the internationalization of SMEs'.
Skills
Frontend
Backend
AI Engineering
AI-Native Workflow
Cloud & DevOps
Database Engineering
Web3 / Blockchain
IT Management & Complex Systems
Process Digitalization
Product / UX
Business / Commercial
Domain Expertise
Languages
- ItalianNative
- EnglishFluent
- SpanishProfessional
- ChineseBasic
Who is this for?
Consulting / Fractional CTO client
Need a fractional CTO or technical architect for production systems?
Collaborations & Community
Past contributor / advisor / community lead roles
Synthetix Italia
The 300 ⚔️ Member & Country Lead
06/2022 – 12/2024
Lead of the Italian Synthetix community: protocol communication, social media and engagement.
Kwenta
Elite Councilor & Grants Councilor
02/2023 – 12/2023
1/5 of the community-elected council, spokesperson for DAO governance. Previously 1/3 of the Grants Council distributing grants.
Jigstack
Core Contributor & Product Manager
01/2022 – 08/2023
DAO manager and product head of a Web3 wallet governed by the Jigstack DAO: smart contracts, chain analysis, DeFi.
MEGO Tickets
Web3 Advisor
01/2023 – 12/2024
Web3 advisory: competitive analysis and emergency-response strategy.
FNDZ
Product Communications Manager
07/2021 – 03/2022
Product Communication Lead for a DeFi copy-trading platform: UX and communication strategy.
YOMI
Senior Product Management Advisor & Business Development Manager
03/2023 – 08/2023
Senior product-management advisory and business development: competitive analysis, research and team collaboration.
Theledger.it
Blockchain Editor & Copywriter
09/2020 – 01/2022
Blockchain editor and copywriter on Bitcoin, Ethereum, DeFi and crypto at large.
Tech Stack
Daily tools across cloud, AI, web3, data, and dev
Ready to work together?
Let's discuss your next project and how I can help bring your vision to life.