K Khay is the sovereign financial ecosystem uniting zero-fee P2P payments, crypto merchant settlements, self-custodial multi-chain Web3 assets, biometric passkeys, and open APIs.

Is K Khay Web3 Wallet self-custodial?

Yes, K Khay Web3 Wallet is 100% self-custodial. Private keys and seed phrases are encrypted locally on your device with AES-256-GCM. K Khay servers never store, see, or transmit your private keys.

Are there transaction fees on K Khay P2P transfers?

Peer-to-peer transfers between K Khay users on the Sovereign Ledger carry zero fees with instant cryptographic settlement.

What free public APIs are available on K Khay API Hub?

K Khay API Hub provides free public APIs including high-speed geodata and sovereign country registries, flags, ISO codes, and currency lookups.

Available for new projects

Hi, I'm

Bo Bo Aung

Full-Stack Developer-TypeScript - React & Mobile - Node.js & Express - AI & Web3

Crafting scalable digital products — from database architecture to client experience.

Thailand 🇹🇭7+ years experience

Download Resume

Available

7+Years Experience

4Flagship Products

Full-StackTech Stack

Yes ✓Open to Work

Selected Works

Live Production Systems

A curated look at active production platforms engineered for sovereign finance, Web3, algorithmic trading, and bespoke consumer matchmaking.

K Khay

2026

Live

Sovereign digital financial ecosystem providing zero-fee P2P wallet transfers, biometric passkey authentication, user accounts, and open developer APIs.

Next.jsTypeScriptPrismaPostgreSQLWebAuthn+2

Live

K Khay Wallet

2026

Live

Zero-account Web3 multi-chain wallet and DEX aggregator. Send, receive, and swap crypto from anywhere with instant decentralized settlement.

Reactviem0x ProtocolTypeScriptEIP-1193+2

Live

StratArena

2025

Live

Advanced algorithmic trading strategy builder platform. Build custom algorithmic trading models, backtest historical market data, and explore community strategies.

TypeScriptReactNode.jsExpress.jsSocket.io+4

Live

Thai Soulmate

2026

Live

Exclusive 1-2-1 matchmaking service and boutique platform connecting international gentlemen living in Thailand or abroad with verified, relationship-minded Thai ladies.

Next.jsTypeScriptTailwind CSSReactMatchmaking+2

Live

Core Competencies

What I Engineer & Deliver

From high-concurrency microservices and database modeling to cross-platform mobile apps and decentralized Web3 protocols.

Full-Stack & Distributed APIs

High-concurrency Node.js and Express services, Next.js Server Actions, and RESTful architectures backed by PostgreSQL, Supabase, and MongoDB.

Node.jsExpress.jsPostgreSQLMongoDBPrisma

Cross-Platform Mobile Apps

Fluid production iOS & Android applications built with React Native and Expo. Native device APIs, push notifications, and EAS cloud pipelines.

React NativeExpoExpo RouterEAS BuildiOS & Android

Real-Time & AI Systems

Low-latency bidirectional live chat with Socket.io WebSockets, paired with modern LLM integrations (OpenAI, Claude, Gemini, RAG workflows).

Socket.ioWebSocketsOpenAI APIClaude APIVercel AI

Web3 & Sovereign Protocols

Self-custodial multi-chain wallet protocols, 0x DEX liquidity aggregators, EIP-1193 integrations, and cryptographic passkey authentication.

viemethers.js0x ProtocolPasskeysEVM

Engineering Standard

From Pixel to Protocol

Over 7+ years of building production applications, I treat code clarity, system resilience, and user experience as inseparable. Software should be fast to load, effortless to maintain, and sovereign by design.

Clean Separation of Concerns

Modular, domain-driven structure where business logic, database queries, and client state never bleed into each other.

Sub-Second Performance

Zero-latency in-memory state switching, optimized asset delivery via Cloudflare R2, and fluid 60fps micro-interactions.

Sovereign Ownership

Privacy-first architecture, self-custodial cryptographic security, and resilient decentralized standards.

Open for Collaborations & Roles

Have a project or idea? Let's build it.

Whether you need a full-stack web platform, mobile app with React Native, real-time backend with Socket.io, or sovereign Web3 protocol — I'd love to hear from you.

Download Resume