Stamatis Petridis

Profile

Short: Operator building sovereign systems that compound: Bitcoin self‑custody and Lightning infra, local AI agents, and cloud automation. I ship lean, auditable tools that reduce dependency and increase leverage.

Full: Cloud–AI engineer with 12+ years of high‑pressure operational leadership, specializing in cloud‑native infrastructure, AI workflows, and blockchain sovereignty. Skilled in designing and deploying scalable systems across AWS, orchestrating AI agents (RAG, LangChain, LM Studio), and building secure Bitcoin/Lightning infrastructures. Combines deep troubleshooting experience with a builder mindset, delivering resilient platforms that merge AI, Cloud, and blockchain into real‑world operations.

Core Skills

Cloud & DevOps

AWS: IAM, EC2, S3, VPC, pricing, Well‑Architected basics
Git‑driven CI/CD, rollback discipline; Docker/Kubernetes (foundational)
Infra as code: Terraform (basics), reproducible environments

AI & Automation

LLM orchestration and agents; RAG pipelines; LangChain; LM Studio/Ollama
Python tooling and API automation; lightweight evals and prompts
Edge functions for JSON APIs and integrations (Cloudflare Pages Functions)

Data Engineering

SQL fluency; Python ETL scripting; file/HTTP ingestion
Observability and basic monitoring loops for pipelines

Blockchain Sovereignty

Bitcoin node ops, Sparrow; descriptor/XPUB tooling; PSBT flows
Lightning basics; privacy‑oriented fee/ops hygiene
Cold storage, multisig strategy, inheritance playbooks

Ops & Security

Bitwarden CLI, passkeys, YubiKey 5C NFC; air‑gapped device flows
macOS/Linux CLI, zsh, Homebrew; backups and encryption

Soft Skills

High‑pressure decision‑making; customer‑first mindset
Multilingual communication: Greek, English; Spanish/German learning

Recent Projects

Sovereign Bitcoin Infrastructure (2024–2025)

Built a fully sovereign Bitcoin + Lightning node with air‑gapped wallet flows and PSBT signing.
Managed descriptor‑based wallets, QR workflows, cold storage ops, inheritance planning.
Privacy‑oriented monitoring and fee optimization.

Cloudflare Hosting for Rental Business (2025)

Deployed static multi‑language booking site on Cloudflare Pages with security controls and billing alerts.
Connected domain, configured SSL, and optimized for low‑latency global access.

AI‑Assisted Support Automation (2025)

Prototyped chatbot workflow for repetitive customer queries with escalation routing.
Designed LLM‑based prompt orchestration; automated common requests via API‑driven actions.

Professional Experience

Independent Operator — AI × Bitcoin × Cloud (2023–present)

Delivered AI automation pipelines and local‑first data tooling; deployed static and edge sites.
Designed Bitcoin node and Lightning experiments with rigorous key management.

Scorpios Mykonos — Beach Club Controller (2022–2024)

Oversaw high‑volume transactions, POS troubleshooting, and dispute resolution in a luxury environment.
Ensured compliance and accuracy for VIP financial operations under pressure.

Horizon Solutions — Network & Database Administrator (2020)

Delivered IT and POS support; automated workflows with Python.
Maintained SQL databases and optimized queries for reporting.

Cavo Tagoo / Zuma — Maintenance Supervisor (2021)

Led operations for complex technical systems in a luxury hospitality setting.

Education & Certifications

AWS Cloud Practitioner — CLF‑C02 (training completed 2025)
AWS Solutions Architect — Associate (SAA‑C03) (in progress, 2025)
M.Sc. Financial Technology — Democritus University of Thrace
B.Sc. Mathematics — Aristotle University of Thessaloniki

Languages

Greek (Native), English (Fluent), Spanish/German (Learning)

Tech Stack

Python Node HTML/CSS LangChain Ollama / LM Studio Wrangler Cloudflare Pages Git Sparrow Trezor/Coldcard (planning)

Canonical URL: stamatispetridisresume.pages.dev