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9+ years building software

Joshua Sahagun

Full-Stack Software Engineer

  • SaaS & AI-Enabled Application Development
  • Automation and Scalable Web Systems

Sto. Tomas City, Batangas, Philippines

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Overview

Who I am and what I build.

I am a Full-Stack Software Engineer who enjoys turning complex business problems into practical, reliable software.

My experience includes automation tools, internal platforms, operational dashboards, and systems that reduce manual work and improve how teams manage processes and data. I work across the development lifecycle, from understanding requirements and designing solutions to implementation, deployment, and ongoing improvement.

My current focus is modern full-stack web development, SaaS applications, automation, and cloud-based systems. I value maintainable architecture, thoughtful user experiences, and technology choices that fit the needs of the project.

I also use generative and agentic AI to support planning, development, testing, debugging, code review, and documentation. I see AI as a way to improve engineering efficiency while keeping technical judgment and accountability with the developer.

I am particularly interested in software that improves real-world operations and delivers clear, practical value.

Experience

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Roles, systems shipped and the impact they had.

What I reach for most. The full toolkit is a click away.

  • TypeScript
  • Ruby
  • React
  • Next.js
  • Tailwind CSS
  • Ruby on Rails
  • PostgreSQL
  • Supabase
  • Vercel
  • Docker
  • Claude Code
  • MCP (Model Context Protocol)
  • Git

Education

Degree and coursework.

STI College - Tanauan

Degree
Bachelor of Science in Information Technology
Location
Tanauan City, Batangas, Philippines
Period

Focused on computer programming and software development fundamentals, including object-oriented programming, database systems, and application development. Actively participated in programming competitions, strengthening analytical problem-solving and algorithmic thinking.

Certifications

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Credentials that back up the skills above.

  • HackerRank

    Software Engineer Certification

    ID 4FC0B8CF9274
    • Software Engineering
    • C#
    • +6 more
    View credential

Honors & Awards

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Recognition from academic and industry programming competitions.

  • Best IT Special Project (Thesis) Awardee

    STI College - Tanauan
  • Best Programmer of the Year Awardee

    STI College - Tanauan
  • 3rd Place – UnionBank U:Hac 4.0 STI Edition Hackathon

    UnionBank of the Philippines