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.

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.
- 2026
OwnX
CTO
- 2025
OpenX Network
Head of Engineering
- 2023
Openmesh Network
Head of Engineering
- 2023
SecureSECO
Lead Smart Contract Developer
- 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
- 2020 - 2023
Utrecht University
Bachelor's degree, Computer Science
Product Demos & Keynotes
Talks and product demos on stage and on camera.
