Senior Mobile & Backend Engineer (Web3 / Fintech)
Summary
Senior hands-on engineer who designs, builds, and scales mobile apps (iOS/Android) and their backend services for a Web3-focused finance/payments venture. Day to day involves integrating PSPs, financial APIs, and blockchain infrastructure, owning features end to end, and mentoring developers while working closely with founders on product direction.
Salary: RM 10,000 – RM 15,000 per month
About GBCI Ventures:
GBCI Ventures is the parent company behind a dynamic portfolio of innovative ventures. Our ventures focus on leveraging technology and AI to enhance human connections, creativity, and lifestyle experiences. From real-world meetups to AI-guided wellness, GBCI Ventures is dedicated to building products that enrich lives and connect people meaningfully.
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)


