Samuel Mens

Senior Software Developer · CTO at OwnX

Samuel Mens

Turning ambitious ideas into clean, scalable, and maintainable software — from smart contracts and cybersecurity to DevOps and full-stack platforms.

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About

Samuel Mens is a Senior Software Developer that has been programming since early childhood. Because of his fascination with technology, he has acquired a broad expertise in cybersecurity, software architecture, DevOps, smart contracts, full-stack development, and many others.

Projects & Companies

Roles across companies and open-source networks that I've helped build.

  1. 2026

    OwnX

    CTO

  2. 2025

    OpenX Network

    Head of Engineering

  3. 2023

    Openmesh Network

    Head of Engineering

  4. 2023

    SecureSECO

    Lead Smart Contract Developer

  5. 2022

    Florisoft

    Junior Programmer

Experience

  • DevOpsAutomating infrastructure, CI/CD pipelines, and deployments.
  • NixReproducible, declarative builds and developer environments.
  • NixOSEntire Linux systems declared and managed from a single Nix config.
  • Full-Stack DevelopmentShipping end-to-end features across frontend, backend, and infrastructure.
  • TypeScriptTyped JavaScript for safer, more maintainable codebases.
  • Next.jsReact framework for full-stack apps - SSR, static generation, and APIs.
  • AstroContent-focused static sites with islands of interactivity.
  • RustMemory-safe systems programming for fast, reliable services.
  • Actix WebHigh-performance Rust web framework for backend APIs.
  • DatabaseSchema design, queries, and data layers that scale.
  • PostgreSQLOpen-source relational database for durable, complex data.
  • BlockchainDistributed ledgers, consensus, and on-chain application design.
  • Smart contractsSelf-executing on-chain programs for escrow, governance, and settlement.
  • SolidityWriting and auditing EVM smart contracts for Ethereum and L2s.
  • Artificial IntelligenceDesigning and integrating AI features into products.
  • Large Language ModelsPrompt engineering, RAG, and LLM-powered product features.

Education, Licenses & certifications

  • Utrecht University

    Bachelor's degree, Computer Science

    2020 - 2023

Product Demos & Keynotes

Talks and product demos on stage and on camera.