Senior Mobile Backend Engineer

Role Overview: We are hiring a senior engineer to build and scale our mobile apps and the backend systems behind them, with a strong focus on Web3, finance, and payment technology. This is a hands-on role for someone with deep product sense, who understands not only how to build something but whether it should be built at all. You will work closely with the founders and product team, and your judgment on product decisions will carry real weight. Responsibilities: - Design, build, and maintain mobile applications (iOS and/or Android) and the backend services that support them - Own features end to end, from problem definition and technical design through to release and iteration - Integrate with payment service providers (PSPs), financial APIs, and blockchain infrastructure - Contribute to product direction by challenging assumptions, weighing trade-offs, and proposing better solutions - Set engineering standards, review code, and mentor fellow developers - Build with security, reliability, and compliance in mind, as expected of financial products Requirements: - Minimum 10 years of professional software engineering experience - Strong hands-on experience in mobile development (iOS and/or Android) and backend development - Solid understanding of Web3 (wallets, smart contracts, on-chain and off-chain flows, stablecoins) - Working knowledge of finance and payment technology, including PSP integrations - Exceptional product sense, demonstrated by products you have shaped or shipped and the reasoning behind your decisions - Fluent English, written and spoken - Based in Kuala Lumpur Nice to Have: - Proficiency in Mandarin and/or Bahasa Malaysia - Experience in regulated fintech or crypto environments - Valid passport and openness to occasional business travel (a Malaysian passport is an advantage for regional trips)