Principal Software Development Engineer, Digital Assets & Web3

📋 Description

• Design, develop, and operate core DW3 platform services.
• Build high-performance, secure distributed systems for digital asset transactions.
• Develop API-first services integrating blockchains, providers, and financial systems.
• Implement event-driven architectures using Kafka and asynchronous messaging.
• Build transaction orchestration, reconciliation, settlement, and asset movement workflows.
• Develop secure services leveraging cryptographic signatures, key management, and authentication controls embracing zero trust.

🎯 Requirements

• 8+ years of software engineering in regulated financial environments.
• Extensive hands-on experience with TypeScript, Java, JavaScript, Spring Boot, Node.js, and NestJS.
• Experience building Web3 platforms, wallet infra, or blockchain apps; Web3.js, Ethers.js, and blockchain SDKs.
• Strong concurrency, multi-threaded, and asynchronous programming for high-throughput distributed systems.
• Deep understanding of API-first architectures, microservices, and distributed systems design.
• Experience with Apache Kafka, event streaming, and pub/sub messaging patterns.

🎁 Benefits

• In-office cadence: New York, Chicago, and Lithuania with four days in the office per week.
• Equity and 401(k) match benefits.
• Comprehensive health insurance coverage and wellness reimbursement.
• Company-provided phone and personal development allowance.
• Generous PTO, holidays, and extended leave.
• Strong engineering culture with code reviews, automated testing, and CI/CD practices.