As a Senior QA Engineer, you'll ensure the quality of Web3 APIs, validate blockchain integrations, and mentor junior engineers while improving QA processes.

As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.

The role entails developing scalable backend systems using Node.js and Nest.js, ensuring high performance and security, and optimizing microservices architecture. Responsibilities also include system monitoring, code quality checks, and collaboration within a fintech context.