Engineering lead building production-grade trading and crypto infrastructure.
Currently at Aquanow, working on multi-chain DEX backend systems handling real trading flow across EVM and Solana. Focused on execution systems, liquidity routing, and onchain integrations.
Previously founded and built a full crypto trading platform (by1.io), covering:
– Trading engine, wallets, and P2P systems
– Real-time backend services and APIs
– End-to-end system architecture and delivery
Strengths:
– Designing and shipping full systems (not isolated features)
– Bridging Web2 infra with onchain execution
– Leading small teams with high output
Tech:
TypeScript, Node.js, React, Postgres, Redis
EVM (Uniswap V2/V3, 0x), Solana
Web3 infra, trading systems, backend architecture
Experience: 7 years
Yearly salary: $88,000
Hourly rate: $60
Nationality: 🇲🇾 Malaysia
Residency: 🇲🇾 Malaysia
Experience
Blockchain Developer
Aquanow 2025 - 2026
• Built systems handling quote → route → execution flows across multiple chains • RFQ routing and liquidity aggregation across Uniswap, 0x, and internal execution logic • Fireblocks integration for secure transaction signing and execution control • Solana execution flows (Raydium, Orca): swaps, liquidity, position handling • Execution tracking, reconciliation, and failure recovery systems • Production systems handling real transaction flow
Co-Founder & Technical Strategist
Blackswan Dapp Solution Sdn Bhd 2022 - 2025
• Founded and led development of by1.io, a multi-service crypto trading platform • Owned system architecture: backend services (Node.js, Sequelize), trading microservice, WebSocket infrastructure • Led engineering team (5 developers): task breakdown, delivery planning, code reviews, coding standards • Delivered trading systems (execution, balances, history), wallet systems, and P2P marketplace features • Built admin tooling, reconciliation workflows, and operational systems • Translated business requirements into system design and iterative delivery under production constraints
Lead Developer - Crypto P2P Algo Trading Systems
TRADING SYSTEMS 2017 - 2022
• Built execution systems across CEX, DEX, and structured products • Event-driven execution (Binance): WebSocket triggers, weighted spot/futures orders • Dual Investment system: automated subscription, break-even hedging • P2P pricing system: dynamic pricing and spread competition • Continuous execution: idempotency, retries, recovery, state sync • PolySniff: probability modeling, EV detection, Kelly sizing
Skills
engineering-manager
system-engineer
tech-lead
english
chinese-mandarin
malaysian
