Private Dota 2 grind tracker with MMR goals and a rules-based draft assistant.
- SvelteKit
- SQLite
- Drizzle
- Docker
Software engineer · Philippines
Building tools for
better thinking.
I build products end to end: smart contracts and payment rails, AI pipelines, and the web and mobile apps on top. Senior engineer at SQRIL, founding engineer at STYL.
- ls ~/shipped --live
- rune.fitzsixto.com
- moriarty.sh
- app.payroll.finance
- insight.fitzsixto.com
- arco.fitzsixto.com
- exort.fitzsixto.com
Selected work
Products, built end to end.
CTF platform with timed competitions, live scoring, and leaderboards.
- SvelteKit
- Postgres
- Redis
- FastAPI
Violin practice tracker with a live tuner and per-take intonation analysis.
- SvelteKit
- FastAPI
- Python
- SQLite
More work · 14
Demo builds use fictional brands and say so on each site.
- payroll.finance Batch crypto payroll on Ethereum and BSC, signed once with EIP-712. Product
- Buyanihan Cooperative produce marketplace for Filipino farmers, with AI quality grading. Product
- Axonia Browser-based viewer for brain fMRI scans. Product
- Pawnz OpenSea-style NFT marketplace prototype. Product
- Pokélight Pokédex with a gacha simulator. Product
- Declut Marketing site and waitlist funnel, with an admin dashboard. Client site
- Farmtri AI Landing page and admin dashboard. Client site
- Patchbay Neo-brutalist dev-tool landing page. This site borrows its design. Demo
- Ledgerline SaaS landing page with a CSS-3D data-city hero. Demo
- Solstice Roasters Retro coffee-brand landing with film grain and an espresso dark mode. Demo
- Framewerk Type-led motion studio with line-mask reveals and sticky work panels. Demo
- Consultant Advisor credibility site in quiet-luxury black and gold. Demo
- Vantry Estates Property advisory site with a CSS-3D isometric night skyline. Demo
- Founder Site Founder credibility page in Swiss editorial paper and cobalt. Demo
Experience
From intern to founding engineer.
Mar 2026 to Now
Leading architecture and execution of core blockchain and payments infrastructure: cross-border QR payments, stablecoin movement, and multi-chain transaction flows across production markets.
Solidity · TypeScript · EVM · USDT
Dec 2025 to Now
Solo built the full product end to end: an embeddable virtual try-on widget, a multi-tenant admin dashboard with funnel analytics, and the AI inference pipeline.
Next.js · Preact · Supabase · Fal.ai
Aug 2024 to May 2026
Owned end-to-end architecture and execution of the web and mobile platform, shipping production features across Next.js, FastAPI, Supabase, and Android.
Next.js · FastAPI · Supabase · Android
Jun 2025 to Feb 2026
Built and shipped scalable solutions for companies generating $10M to $5B ARR, using Python, Next.js, LangChain, Redis, and MCPs.
Python · FastAPI · LangChain · MCPs
Jul 2025 to Feb 2026
Solo developed the iOS app and websites end to end with Expo, React Native, Supabase, and GCP, while leading every tech-related business decision.
React Native · Expo · iOS · GCP
Oct 2025 to Dec 2025
Developed and deployed EIP-712 smart contracts on EVM-compatible chains for multi-chain payroll, with Solidity, Foundry, and Next.js.
Solidity · Foundry · EVM
Jun 2025 to Aug 2025
Built RAG bioinformatics pipelines for large private computational biology research projects, mentored by a PhD scientist from UP Diliman.
Python · RAG · LLMs
Aug 2024 to Nov 2024
Owned Expo and React Native development, building production-ready mobile features and integrating Supabase and OpenAI APIs end to end.
React Native · Expo · Supabase · OpenAI API
Jun 2024 to Aug 2024
Software Developer Intern
Symph
Cebu, Philippines
Built and tested microservices with Next.js, NestJS, and Firebase, and optimized AirOps automation workflows.
Next.js · NestJS · Firebase · Jest
Oct 2023 to Jan 2024
UI/UX Designer
Rethinkable
Brisbane, Australia · Remote
Designed and delivered brand kits, UI mockups, and high-fidelity prototypes for global web3 companies.
Figma · Prototyping
Aug 2023 to Jul 2025
Led 1,400+ student developers to the top 2 most active chapter of 42 in the Philippines. Ran 20+ workshops and partnered with DataCamp for scholarships.
Gemini · Firebase · Flutter
By the numbers
20 live sites products, client sites, and demo builds
1,400 + devs led GDG on Campus, top 2 of 42 PH chapters
8 recognitions hackathons, CTFs, olympiads, PH100
$5B client ARR largest company served at Zaigo Labs
Leading blockchain and payments infrastructure at SQRIL, and building STYL’s virtual try-on from zero.
Recognition
Proof, from other people.
Hackathons
3 podiums
- 1st runner-up · 2024 Solana × AI Consumer Hackathon Superteam Philippines
- 2nd runner-up · 2025 Hack4Gov Region 7 DICT
- 2nd runner-up · 2024 Ai.Deas for Impact Hackathon DICT
PH100
2× honoree
- Honoree Brightest Minds in the Philippines Under 30 StellarPH
20242025
Contests & exams
4 national + intl
- 1st runner-up · 2025 Trend Micro National Cybersecurity CTF Trend Micro Philippines
- Finalist · 2023 & 2024 UP Diliman ACM Algolympics ACM UP Diliman
- Finalist · 2023 International Blockchain Olympiad IBCOL
- Full passer · 2024 PhilNITS Fundamental Engineer Exam Philippine National IT Standards
From zero to shipped.
Open for freelance builds: products, landing pages, and AI or blockchain engineering. Tell me what you are making.