I enjoy deep technical work, reading old codes, debugging, and learning systems, and I can also switch into structured creative writing when needed.
What I bring to your project:
• Reliable full-stack systems focused on performance, maintainability, and low infrastructure cost
• Experience building and deploying applications on VPS and AWS Free Tier environments
• API integration and backend automation work (webhooks, data sync, third-party services like Shopify/HubSpot/Airtable)
• 10+ years of government logistics and administrative experience, bringing discipline, structure, and consistent execution
• Ability to write technical and creative content for documentation, blogs, and system explanations
I focus on building stable, efficient systems and handling both development and deployment with clear communication throughout the process.
You can view my portfolio and projects at
Experience: 5 - 10 years
10 years of service in the Army Signal Corps with a focus on operational security. My responsibilities ranged from sentinel and escort duties to managing mess budgets and distribution for an entire company. I also led daily physical exercises for new recruits and handled the installation and troubleshooting of LAN/WAN systems for the Philippine Army Network. I was part of a specialist team that provided internal technical support for Officers and NCOs, while at the same time assisting senior NCO's on managing all associated administrative and logistical documentation for these operations.
Experience: 1 - 2 years
PHP backend developer with experience building CMS systems and simple APIs, focused on clean and maintainable code.
Experience: Less than 6 months
I use Node.js for task automation and data extraction (web scraping) in ongoing projects. I am currently expanding my knowledge in this environment to improve automation workflows and data processing.
Experience: Less than 6 months
I use Debian as my main workstation operating system and am comfortable working in Linux environments. I manage remote servers via SSH and have experience with Linux system administration, terminal usage, and server maintenance tasks.
Experience: 2 - 5 years
Years of experience drafting high-stakes technical and operational reports for a government agency. I specialize in translating complex system data into clear, actionable documentation for leadership. Samples: Migration Strategy: https://airotacujan.com/migrationStrategy.html Systems Case Study: https://airotacujan.com/caseStudy.html"
Experience: 1 - 2 years
Developed custom CMS solutions from scratch using PHP, JavaScript, and CSS, without heavy frameworks. Focused on performance, simplicity, and long-term maintainability. Basic experience with WordPress and open to expanding my skills further.
Experience: 1 - 2 years
HTML is the foundation of my web development and data automation work. I use it to structure web pages for CMS projects, data extraction tasks, and frontend integration with backend systems.
Experience: Less than 6 months
I am a lead and active contributor for www.darkscifi.com, where I create and publish creative written content. I focus on storytelling, clarity, and engaging narrative structure, blending science fiction with real-world themes.
Experience: 1 - 2 years
I can handle IT instructions and technical documentation in Spanish. I have intermediate reading and listening skills from years of Spanish movies, the internet, and novels. I'm not a big conversational speaker, but I can follow workflows and written requests in Spanish without any issues.
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