Senior Software Engineer, Stablecoin Payments

Flex

Remote regions

US

Salary range

$170,000–$280,000/yr

Benefits

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About the Role:

  • Build stablecoin products for business owners as one of the first engineers.
  • Own services that move customer money on-chain and connect to banking systems.
  • Work with direct access to engineering lead and product.

What You'll Do:

  • Design, build, and run backend services for stablecoin payments including deposits, withdrawals, and on/off ramps.
  • Integrate with partners for wallets, virtual accounts, and stablecoin orchestration while connecting to existing banking, ledger, and payments systems.
  • Own work from design through launch and production support.

Requirements:

  • 5+ years backend software engineering experience.
  • Experience building production services in fintech/payments/banking.
  • Strong system design skills for money movement.

Flex

Flex is building AI-native financial services for business owners, re-architecting the financial system from the first dollar earned to spending. They have scaled from zero to nine-figure annualized revenue with $100M+ in equity raised, operating with small, exceptional teams and a culture of extreme ownership.

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