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

Is Mark Siazon available for hire?

Open for selective product design, frontend, and AI workflow opportunities. Best fit: product roles, focused client builds, launch support, case-study packages, and mobile UX cleanup. No public booking link is published; use the contact form so private details stay server-side.

What work is Mark open to?

Product roles, Focused client builds, Launch support, Case-study packages, AI workflow prototypes, Web3 trust flows, and Mobile UX cleanup.

What is Mark Siazon's tech stack?

Design: Product Design, UI/UX Design, User Research, Figma, Design Systems. Development: React, Next.js, TypeScript, Tailwind CSS, Full-Stack Development. Specialties: AI-Driven Design, Application Development, Trust & Safety, AI Product Strategy, Product Verification.

Where can I see Mark Siazon's full tech stack reference?

Mark Siazon's core stack is React, Next.js, TypeScript, and Tailwind CSS for web; Flutter and Kotlin for mobile; Python and Supabase on the backend; and Figma for design, with Stellar and Celo for Web3. Full 113-tool reference: https://github.com/Iron-Mark/Iron-Mark/blob/main/public/STACK.md

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

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

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://github.com/Iron-Mark/Iron-Mark/blob/main/public/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

Where is Mark Siazon based?

Mark Siazon is based in the Philippines and works remotely across Southeast Asia and globally.

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/

How soon can Mark Siazon start?

Mark Siazon can typically start within about two weeks, or immediately for freelance and contract work. Recruiter brief: https://www.marksiazon.dev/recruiter

How much experience does Mark Siazon have?

Mark Siazon has around five years of combined experience across academic, freelance, organizational, volunteer, and professional work, having taught himself web development since before college. Recruiter brief: https://www.marksiazon.dev/recruiter

Mark Siazon Profile Index

Product designer and full-stack developer focused on inspectable case studies, AI workflows, mobile UX, Web3 trust flows, and release-readiness in frontend delivery.

Profile mirror of Iron-Mark/Iron-Mark. Canonical portfolio: marksiazon.dev. Updated 2026-08-15.

Profile Facts

Name: Mark Siazon (Iron-Mark, mark-siazon)
Roles: Product Designer, Full-Stack Developer, Product Engineer, UI/UX Designer, Front-end Specialist
Availability: open; contract, part-time, full-time; product design, full-stack engineering, AI workflow prototypes, mobile and Wear OS UX, Web3 proof systems
Geography: based in Philippines; serves Philippines, Southeast Asia, remote
Contact: contact form | marksiazon.dev@gmail.com
Recruiter brief: marksiazon.dev/recruiter

Featured Work

HireProof - AI trust and safety for job seekers. (case study | live)
Stellaroid Earn - Web3 credential proof on Stellar testnet. (case study | live)
ResQLink - Offline-first emergency response platform. (case study | repo)
LexInsights - AI legal compliance chat. (case study | live | repo)
Good To Live - Client podcast web launch and feed setup. (case study | live)
FlowFit - Wear OS health and sensor companion. (case study)
PalengkePay - Stellar fintech PWA for wet markets. (case study | live)
GawainYah - MiniPay AI utility with payment guardrails. (case study | live)
BaybayInscribe - Baybayin ML and cultural education UX. (case study | model)

Answer Corpus

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
Sources: https://www.marksiazon.dev | https://github.com/Iron-Mark/Iron-Mark
Is Mark Siazon available for hire?
Open for selective product design, frontend, and AI workflow opportunities. Best fit: product roles, focused client builds, launch support, case-study packages, and mobile UX cleanup. No public booking link is published; use the contact form so private details stay server-side.
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact
What work is Mark open to?
Product roles, Focused client builds, Launch support, Case-study packages, AI workflow prototypes, Web3 trust flows, and Mobile UX cleanup.
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact
What is Mark Siazon's tech stack?
Design: Product Design, UI/UX Design, User Research, Figma, Design Systems. Development: React, Next.js, TypeScript, Tailwind CSS, Full-Stack Development. Specialties: AI-Driven Design, Application Development, Trust & Safety, AI Product Strategy, Product Verification.
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact
Where can I see Mark Siazon's full tech stack reference?
Mark Siazon's core stack is React, Next.js, TypeScript, and Tailwind CSS for web; Flutter and Kotlin for mobile; Python and Supabase on the backend; and Figma for design, with Stellar and Celo for Web3. Full 113-tool reference: https://github.com/Iron-Mark/Iron-Mark/blob/main/public/STACK.md
Sources: https://github.com/Iron-Mark/Iron-Mark/blob/main/public/STACK.md | https://www.marksiazon.dev
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
Sources: https://www.marksiazon.dev/proof | 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
Sources: https://www.marksiazon.dev/projects/hireproof | 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
Sources: https://www.marksiazon.dev/projects/resqlink | https://github.com/UMakLumen/ResQLinkWeb | https://www.marksiazon.dev/achievements
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
Sources: https://www.marksiazon.dev/projects/baybayinscribe | https://huggingface.co/gilas/baybayinscribe | https://www.marksiazon.dev/achievements
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
Sources: https://www.marksiazon.dev/projects/stellaroid-earn | 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
Sources: https://iron-mark.github.io/Iron-Mark/lab/ | https://iron-mark.github.io/Iron-Mark/LAB.md | https://www.marksiazon.dev/lab | https://github.com/Iron-Mark/Iron-Mark
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.
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev
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
Sources: https://www.marksiazon.dev/achievements | https://www.marksiazon.dev/projects/stellaroid-earn
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://github.com/Iron-Mark/Iron-Mark/blob/main/public/HOW-TO-CITE.md
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/proof | https://github.com/Iron-Mark/Iron-Mark/blob/main/llms-index.json | https://github.com/Iron-Mark/Iron-Mark/blob/main/public/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
Sources: https://iron-mark.github.io/Iron-Mark/ | https://github.com/Iron-Mark/Iron-Mark/blob/main/llms-index.json | https://www.marksiazon.dev/llms.txt
Where is Mark Siazon based?
Mark Siazon is based in the Philippines and works remotely across Southeast Asia and globally.
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact
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/
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact | https://www.linkedin.com/in/mark-siazon/
How soon can Mark Siazon start?
Mark Siazon can typically start within about two weeks, or immediately for freelance and contract work. Recruiter brief: https://www.marksiazon.dev/recruiter
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev/contact
How much experience does Mark Siazon have?
Mark Siazon has around five years of combined experience across academic, freelance, organizational, volunteer, and professional work, having taught himself web development since before college. Recruiter brief: https://www.marksiazon.dev/recruiter
Sources: https://www.marksiazon.dev/recruiter | https://www.marksiazon.dev

Location And Topics

Primary search topics: Mark Siazon, Iron-Mark, product designer Philippines, full-stack developer Philippines, UI/UX engineer, case study portfolio, React developer, Next.js developer, Flutter developer, Wear OS, AI trust and safety, Web3 Stellar Celo, Baybayin education technology

Service regions: Philippines, Southeast Asia, remote

Knowledge Graph

Mark Siazon isA Product Designer
Mark Siazon isA Full-Stack Developer
Mark Siazon isA Product Engineer
Mark Siazon isA UI/UX Designer
Mark Siazon isA Front-end Specialist
Mark Siazon basedIn Philippines
Mark Siazon serves Philippines
Mark Siazon serves Southeast Asia
Mark Siazon serves remote
Mark Siazon built HireProof
HireProof focusesOn AI trust and safety for job seekers
Mark Siazon built Stellaroid Earn
Stellaroid Earn focusesOn Web3 credential proof on Stellar testnet
Mark Siazon built ResQLink
ResQLink focusesOn Offline-first emergency response platform
ResQLink won UMak InfotechOlympics 2025 Android Productivity Champion
Mark Siazon built LexInsights
LexInsights focusesOn AI legal compliance chat
Mark Siazon built Good To Live
Good To Live focusesOn Client podcast web launch and feed setup
Mark Siazon built FlowFit
FlowFit focusesOn Wear OS health and sensor companion
Mark Siazon built PalengkePay
PalengkePay focusesOn Stellar fintech PWA for wet markets
Mark Siazon built GawainYah
GawainYah focusesOn MiniPay AI utility with payment guardrails
Mark Siazon built BaybayInscribe
BaybayInscribe focusesOn Baybayin ML and cultural education UX
BaybayInscribe won InfotechOlympics 2024 Android winner
Mark Siazon maintains qwen-ui-lab
qwen-ui-lab focusesOn Qwen3-VL React UI lab with Tailwind and Next.js
Mark Siazon maintains Smart Profile
Smart Profile focusesOn AI credentials SaaS prototype with Supabase
Mark Siazon maintains Kudlit
Kudlit focusesOn Flutter Baybayin learning app for Android release
Mark Siazon maintains Pulse
Pulse focusesOn Wear OS GPS and heart-rate telemetry companion
Mark Siazon maintains STACK.md
Stellaroid Earn ranked Stellar bootcamp Top 5 of 105
STACK.md lists full stack reference

Start Here

llms-index.json - structured entity, project, citation, and location index
llms-ctx-full.txt - expanded source context
FAQ.md - visible question and answer corpus
RECRUITER.md - recruiter brief
PROOF.md - claim verification map
LAB.md - hackathon and lab project index
lab - rendered hackathon and lab project page
Portfolio RSS - canonical portfolio updates feed
Portfolio JSON Feed - canonical updates feed
llms.txt - LLM manifest
schema/llms-index.schema.json - JSON Schema contract for llms-index.json
schema/person.jsonld - Person, profile, project, and content graph
schema/faq.jsonld - FAQPage, Question, and Answer graph

Citation

HOW-TO-CITE.md and PROOF.md define citation order, verification boundaries, and public evidence.

This mirror exposes the same facts in readable HTML, JSON, Markdown, text, sitemap, and Schema.org JSON-LD formats; the portfolio remains the canonical human-facing site.