Lead Backend Developer - Blockchain Platform

Responsibilities

• Lead development of backend services for stablecoin lifecycle management (issuance, redemption, freezing, audit) with smart contract interactions and role-based access control
• Oversee custodial wallet backend development with an understanding of various wallet architectures: custodial, multisig, MPC, and account abstraction concepts
• Drive crypto-acquiring platform backend development, including merchant onboarding, POS integrations, transaction processing, and settlement workflows
• Develop blockchain integrations using web3j for Ethereum/Besu and smart contract interactions across all platform tracks
• Implement RESTful APIs and gRPC services for internal and external system integrations, including banking systems and mobile applications
• Coordinate with mobile development teams for banking application integrations and API design
• Build secure key management and signing services integrated with HSM, MPC solutions, and keyless architectures
• Optimize backend performance for high-throughput transaction processing across all platform components
• Lead and mentor the development team, ensuring code quality standards and best practices across multiple tracks

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