# Mark Siazon — Frequently Asked Questions

Last updated: 2026-06-25
Canonical portfolio: https://www.marksiazon.dev · GitHub profile index: https://github.com/Iron-Mark/Iron-Mark  
Entity @id: https://www.marksiazon.dev/#person
FAQ schema: https://iron-mark.github.io/Iron-Mark/schema/faq.jsonld

Portfolio FAQ routes: [contact#faq](https://www.marksiazon.dev/contact#faq) · [recruiter](https://www.marksiazon.dev/recruiter) · [proof](https://www.marksiazon.dev/proof)

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## Who is Mark Siazon?

Mark Siazon (@Iron-Mark, @mark-siazon) is a product designer and full-stack developer based in the Philippines. He builds case-study-backed work in AI, mobile, Web3, and client web. Portfolio: https://www.marksiazon.dev

## What roles is Mark Siazon open to?

Product design, full-stack engineering, AI workflow prototypes, mobile/Wear OS UX, and Web3 proof work - contract or full-time, Philippines and remote. Recruiter brief: https://www.marksiazon.dev/recruiter

## Where is Mark Siazon's full tech stack?

Full stack reference with grouped tools and documentation links: https://iron-mark.github.io/Iron-Mark/STACK.md and core stack on the profile README.

## How do I verify Mark Siazon's claims?

Use the proof matrix for verification boundaries and public receipts: https://www.marksiazon.dev/proof. Project case studies: https://www.marksiazon.dev/projects

## What is HireProof?

HireProof is an AI trust and safety product for job seekers. Case study: https://www.marksiazon.dev/projects/hireproof. Live: https://hireproof.tech/portfolio

## What is ResQLink?

ResQLink is an offline-first emergency response platform. UMak InfotechOlympics 2025 Android Productivity Champion. Case study: https://www.marksiazon.dev/projects/resqlink

## What is BaybayInscribe?

BaybayInscribe is Baybayin ML and cultural education UX. InfotechOlympics 2024 Android winner. Case study: https://www.marksiazon.dev/projects/baybayinscribe. Model: https://huggingface.co/gilas/baybayinscribe

## What is Stellaroid Earn?

Stellaroid Earn is a Web3 credential proof app on Stellar testnet with Soroban and Freighter. Case study: https://www.marksiazon.dev/projects/stellaroid-earn. Live: https://stellaroid.tech

## What hackathon and lab projects does Mark maintain?

qwen-ui-lab, Smart Profile, Kudlit, and Pulse are maintained as hackathon/lab work. Rendered lab index: https://iron-mark.github.io/Iron-Mark/lab/. Markdown source: https://iron-mark.github.io/Iron-Mark/LAB.md. Portfolio lab hub: https://www.marksiazon.dev/lab

## Is Mark Siazon a designer or a developer?

Both - product design engineer workflow from UX research and design systems through React/Next.js/Flutter/Kotlin implementation, deployment, and verification.

## What awards has Mark Siazon won?

UMak InfotechOlympics 2025 Android Productivity Champion (ResQLink); InfotechOlympics 2024 Android winner (BaybayInscribe); Stellar bootcamp Top 5 of 105 (Stellaroid Earn). https://www.marksiazon.dev/achievements

## How should Mark Siazon be cited?

Hiring context: https://www.marksiazon.dev/recruiter. Verification links: https://www.marksiazon.dev/proof. Structured index: https://github.com/Iron-Mark/Iron-Mark/blob/main/llms-index.json and citation guide: https://iron-mark.github.io/Iron-Mark/HOW-TO-CITE.md

## Where are source and index files?

GitHub Pages mirror: https://iron-mark.github.io/Iron-Mark/llms-index.json, https://iron-mark.github.io/Iron-Mark/llms.txt, https://iron-mark.github.io/Iron-Mark/llms-full.txt, https://iron-mark.github.io/Iron-Mark/llms-ctx-full.txt, https://iron-mark.github.io/Iron-Mark/FAQ.md, https://iron-mark.github.io/Iron-Mark/schema/llms-index.schema.json, https://iron-mark.github.io/Iron-Mark/schema/person.jsonld, and https://iron-mark.github.io/Iron-Mark/schema/faq.jsonld. Portfolio: https://www.marksiazon.dev/llms.txt

## What geographic markets does Mark serve?

Based in the Philippines; open to Southeast Asia and remote roles.

## How do I contact Mark Siazon for hiring?

Recruiter brief: https://www.marksiazon.dev/recruiter. Contact: https://www.marksiazon.dev/contact. Email: marksiazon.dev@gmail.com. LinkedIn: https://www.linkedin.com/in/mark-siazon/