Senior Blockchain Engineer

Key Responsibilities

• MPC/TSS Wallet Development
• MPC Protocol Implementation: Design and implement MPC (Multi-Party Computation) protocols in Golang to build highly available private key sharding and distributed signature services
• Key Lifecycle Management: Develop secure end-to-end key lifecycle management systems including key generation, storage, recovery, and destruction
• Threshold Signature Scheme (TSS): Implement TSS algorithms and secure multi-party computation protocols for 2/3 signature distribution
• Multi-chain Integration: Build integration layers for multiple blockchain networks including Bitcoin (BTC), XRP, Solana (SOL), EVM-compatible chains (ETH, BNB, AVAX, ARB, POL), and TRON
• Hardware Security: Integrate HSM (Hardware Security Module) solutions (YubiHSM, AWS CloudHSM, Azure Dedicated HSM) for enhanced security
• API Development
• Internal APIs: Build and maintain internal APIs to expose pool data, routing results, and token balances to frontend services
• Wallet APIs: Develop secure APIs for wallet operations, transaction signing, and blockchain interactions
• Hardware Wallet Integration: Implement interfaces for Ledger and Trezor hardware wallet integration
• System Architecture
• Microservices Design: Architect scalable, secure microservice architecture supporting MPC wallet operations
• Performance Optimization: Optimize high-performance data pipelines and real-time event processing systems
• Security Implementation: Implement security best practices across all wallet and trading operations

Requirements

• Experience: 5+ years of backend development experience, with 3+ years focused on Golang development
• MPC/TSS Expertise: Deep understanding of MPC/TSS technology stack with actual production system development experience
• Cryptography: Strong knowledge of Elliptic Curve Cryptography (ECC), Zero-Knowledge Proofs, and Threshold Signature schemes
• Blockchain Protocol Experience: Extensive experience in blockchain protocol layer development, familiar with at least Ethereum, Bitcoin, and Solana mainstream public chains
• Security Systems: Development experience in high-security systems (financial, payments, cryptocurrency)
• Cloud Native: Proficiency with Docker, Kubernetes, and CI/CD cloud-native technology stacks
• System Design: Excellent system design capabilities with experience designing scalable microservice architectures
• Data Pipelines: Experience building high-performance data pipelines and real-time event processing systems

Preferred Qualifications

• Wallet & Custody Experience:
• Practical development experience with digital wallets, exchanges, or custody services
• Familiarity with BIP-32, BIP-39, BIP-44 wallet standards
• Open Source & Community:
• Contributions to open-source blockchain projects (Cosmos SDK, Ethereum clients, etc.)
• Active participation in blockchain developer communities
• Advanced Technical Skills:
• Experience with zk-SNARKs, zk-STARKs, or other zero-knowledge proof systems
• Knowledge of cross-chain bridges and interoperability protocols
• Familiarity with FHE (Fully Homomorphic Encryption) or advanced cryptographic primitives
• Security Certifications:
• Cryptography or blockchain security certifications
• Experience with security audits and vulnerability assessments