Senior Software Engineer, Blockchain

N-iX is recruiting for a Senior Software Engineer, Blockchain to join a team working with a leading, fully regulated US-based digital asset trading platform. The client provides secure, low-latency access to cryptocurrency markets, bridging traditional finance and the Web3 ecosystem.

• Bachelor’s or Master’s degree in Computer Science or related field.
• Approximately 8 years of professional software engineering experience.
• Strong proficiency in Java and experience with modern frameworks and distributed systems.
• Experience with performance optimization such as low-latency systems and microservices.
• Knowledge of security and compliance best practices in financial or regulated contexts.
• Deep interest and/or hands-on experience in blockchain, crypto infrastructure, or decentralized technologies (e.g., EVM-based networks, consensus protocols).
• Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.

• Design, build, and maintain high-throughput backend services and APIs in Java.
• Drive architecture discussions to enhance system scalability, resiliency, and performance.
• Prioritize security and compliance as core aspects of service design and delivery.
• Collaborate with product, security, DevOps, and compliance teams on cross-functional initiatives.
• Mentor engineers and lead by example with high engineering standards and best practices.
• Lead research, prototyping, and implementation of blockchain integration opportunities (e.g., node syncing, client tooling, smart contract interactions).
• Advocate for maintainable, modern infrastructure informed by industry best practices.
• Maintain up-to-date documentation of test results and report test coverage and defect trends.