5+ years of experience in both backend and frontend software development. Mastery of Go and JavaScript, with experience in Ruby, TypeScript, Python, and Java as a plus. Excellent verbal and written communication skills and detail-oriented documentation. Strong understanding of crypto wallets, key management, cryptography, and blockchain protocols. Proven track record of designing, developing, and shipping high-quality client-side libraries and SDKs. Strong understanding of distributed systems, microservices architecture, and event-driven architectures. Experience with databases like PostgreSQL, MySQL, MongoDB, and caching systems such as Redis and Memcached. Solid knowledge of RESTful API design principles and experience in API development and integration. Familiarity with AWS and containerization technologies like Kubernetes. Understanding of security best practices for financial systems.