Senior Mobile & Backend Engineer (Web3 / Fintech)

As a Senior Mobile & Backend Engineer at GB Capital, you will build and scale mobile apps and the backend systems behind them, with a strong focus on Web3, finance, and payment technology. You join a hands-on role where your deep product sense matters: you will work closely with founders and the product team, and your judgment on product decisions will carry real weight.

What you'll do

• 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

What you bring

• 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
• A valid passport and openness to occasional business travel (a Malaysian passport is an advantage for regional trips)

About GB Capital

GB Capital (fka GBCI Ventures) is a parent company behind a portfolio of innovative ventures leveraging technology and AI to enhance human connections, creativity, and lifestyle experiences, from real-world meetups to AI-guided wellness.