Senior software engineer with over 25 years of experience, combining deep Linux knowledge with professional backend, systems, and full‑stack development. I enjoy building reliable, maintainable software and turning complex ideas into practical, working solutions.
- Programming: PHP, JavaScript, Node.js, MySQL
- Systems & Infrastructure: Linux internals, systems programming, Docker
- Architecture: software architecture, systems design
- DevOps & Automation: CI/CD, automation tooling
- Frontend / Backend: full‑stack development
- Soft skills: analytical thinking, mentoring, technical leadership
- Built and maintained websites, mobile apps, and integrations for various clients.
- Developed interactive TV portals and early smart‑TV applications for major broadcasters.
- Served as lead developer at a hosting company, creating internal systems and automated order processing.
- Led development of a production‑ready JavaScript game engine, transforming a partial prototype into a stable, compliant platform used across multiple jurisdictions.
- Worked with international teams (UK, NL, and more) on online casino platforms and regulatory compliance.
I'm open to new opportunities in backend development, systems engineering, and technical leadership.
If you're hiring, feel free to reach out — I'd love to connect.
If you enjoy my open‑source projects or want to support me while I'm between roles, donations are very welcome.
Your support helps me continue building tools and experimenting with new ideas.
- LinkedIn: https://www.linkedin.com/in/johnnymast/
- My public GitHub projects: https://github.com/johnnymast?tab=repositories