Resume

Summary

Senior full-stack engineer with 12+ years of experience building secure authentication systems, blockchain solutions, and large-scale IoT platforms. Hands-on technical lead with global project experience across Asia, Europe, and the Middle East. Skilled in TypeScript, Python, Rust, and modern cloud infrastructure.

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Technical Skills

Languages: TypeScript, JavaScript, Python, Rust, C++, Go, Scheme

Frameworks & Tooling: Vue, React Native, Nuxt, NestJS, Express, Actix Web

Databases: PostgreSQL, MySQL, MongoDB, Firebase, Redis, ClickHouse

Cloud & Infrastructure: AWS, Docker, Ansible, Guix, Vagrant, Heroku, DigitalOcean, Hetzner

Other: OAuth2 / CIBA, eSignature, KYC, TPM2-TSS, Bluez/BLE, Espruino, Ethereum / IPFS, Bitcoin protocols

Environment: Linux (Guix), sway/wayland

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Work Experience

Full-Stack Engineer, Softmax Co., Ltd.

Portugal & Thailand · 2021–Present

• Designed and built secure OAuth2/CIBA authentication for web/mobile with 10,000+ daily logins; integrated multi-level government ID verification (KYC) cutting onboarding time by 60%
• Developed API-first backend services (TypeScript, Rust, Python) for document management, e-signatures, notifications, and system observability; managed 30+ cloud/Docker hosts with 99.9% uptime
• Implemented IoT remote patient monitoring, connecting wearables with real-time clinical dashboards for 500+ users
• Built crypto exchange and NFT platform (ERC-1155), handling multi-currency transactions and secure digital asset management
• Delivered AI-powered data collection forms and multi-warehouse e-commerce systems (inventory, order, and shipping automation)

CTO / Full-Stack Developer, Sky-Hype AG

Switzerland & Luxembourg & Dubai · 2016–2020

• Led engineering for a global social/search platform (~50,000 daily users); built Vue.js frontend (multi-language) and Nest.js/Flask backend
• Integrated a meta-search API, increasing content breadth by 200%
• Drove international sales and partnership expansion; supported scaling to 100,000+ community users

Full-Stack Developer, DKKMA

United Kingdom · 2013–2016

• Delivered 20+ custom web projects (Bootstrap, CMS integrations) for diverse clients
• Developed analytics dashboards (Metabase, Google Analytics, MySQL)
• Managed client relationships and project delivery from scoping to launch

Earlier Roles (2010–2013)

• Q-Windows, Bangkok: Launched company website and integrated Salesforce CRM, improving lead tracking by 45%
• MJM Networks, Singapore: Built custom RAID storage for VMWare vSphere, managed Zimbra for 1,200+ users
• VBH Hardware, Beijing: Designed marketing materials for China market