↓ Skip to main content
Alessio Barnini - Senior Software Engineer, CTO & DevSecOps
Alessio Barnini

Resume - Alessio Barnini

Alessio Barnini
Florence, Tuscany, Italy  |  hello@alessiobarnini.dev  |  alessiobarnini.dev
Senior Software Engineer with 20+ years of experience in building scalable backend architectures in Node.js, TypeScript, and PHP. I have held CTO roles in startup and fintech environments, published technical books on Bitcoin, and obtained the CompTIA Security+. I am steering my career toward DevSecOps and Application Security, combining architectural seniority with application security.

Professional Experience
#

  1. Co-Founder & CTO

    Futura Oltre SRL

    2025 - Present

    Management of the entire IT infrastructure and company automations: software architecture, tool orchestration, platform integrations development (online courses, payments, CRM, marketing automation), and AI systems. Design of automated workflows and RAG solutions with LLMs for self-driven customer journeys.
    n8n LLM PostgreSQL Docker Flutter SQLite

  2. Senior Backend Engineer — Quantitative Finance & Crypto

    Golden Ratio SRL SCF

    2021 - 2024

    Development of backend systems for the quantitative analysis of financial markets and digital assets. Construction of data pipelines and automated trading algorithms. Integration with exchange APIs and real-time data sources.
    NestJS TypeScript MongoDB Node.js MQL5

  3. Chief Technology Officer

    Bitminer Factory

    2018 - 2021

    Responsible for the entire IT infrastructure and architectural decisions in one of the main Italian companies in the mining sector. Management of high-availability distributed systems, infrastructure monitoring, and low-level integration with Bitcoin protocols.
    Symfony Node.js MySQL MongoDB

  4. Senior Software Engineer

    brumbrum

    2016 - 2018

    Full-stack software development in an agile environment for an automotive marketplace.
    PHP Slim Symfony Elixir SOAP Microservices Docker

  5. Corporate Technical Trainer

    Freelance

    2013 - 2018

    Freelance activity parallel to the main role. Design and delivery of B2B training courses and technical consulting for companies. Training development teams on modern stacks (MEAN), backend architectures (Symfony), and deep dives into the Bitcoin protocol.
    MEAN Stack MongoDB Node.js Symfony Bitcoin Bitcoin Hands-on (bash)

  6. Team Leader / Senior Software Engineer

    Ibuildings Italia

    2014 - 2016

    Team Leader and Software Engineer. Main project: development of the energy management system for Expo 2015, commissioned by Siemens Monet (featured by Wired Italia).
    Drupal PHP Code Review TDD Agile/Scrum Node.js MongoDB Pub/Sub

  7. Senior Software Engineer

    EcoSeekr Italia Srl

    2012 - 2013

    Senior development on web/mobile platforms.
    Symfony Node.js MySQL

  8. Software Engineer

    Delphinet Communication Associati

    2006 - 2011

    Web application development with a focus on hotel booking systems.
    PHP CSS MySQL Actionscript 3.0

Projects & Publications
#

  1. Technical Author and Creator — Bitcoin (2017-2020)

    Two books published on Amazon (“Bitcoin dalla teoria alla pratica” and “Bitcoin In Action: SegWit, Bitcoin Script & Smart Contracts”), video course on Udemy, YouTube channel and IT/EN bilingual pocket guide.

Certifications
#

In Progress:

  • BTL1 - Blue Team Level 1 (in preparation — target October 2026)

Technical Skills
#

  • Languages & DBs: PHP, JavaScript, TypeScript, Python, Node.js, Bash, MySQL, PostgreSQL, MongoDB, SQLite
  • Frameworks & Tools: Symfony, Slim, NestJS, Flutter, Elixir, Webflow, Hugo, Drupal
  • Backend & APIs: REST APIs, microservices, platform integrations (payments, CRM, marketing automation), event-driven systems
  • Infrastructure & DevOps: Docker, Git, CI/CD, service orchestration, IT infrastructure management
  • AI & Automation: n8n, workflow automation, RAG / LLM solutions (Claude, GPT)
  • Bitcoin & Blockchain: Bitcoin Core, Bitcoin Script, mining, protocol reverse engineering (Bash)

Online Projects
#

Soft Skills & Languages
#

Languages: Italian (native), English (B2 — professional working proficiency)

Soft skills:

  • Technical leadership: Experience gained as Team Leader and CTO in startup and scale-up environments, making high-impact architectural decisions.
  • Technical communication: Two books published on Amazon, video course on Udemy with thousands of students. I make complex concepts accessible for non-technical audiences.

Contacts
#