Software Engineer SR (Copia)
What You’ll Do Design and build backend services in Node.js and Rust for Nexus’s Layer 1 and DEX. Develop APIs and data pipelines for trading, liquidity, and on-chain verification. Build and maintain blockchain infrastructure components (RPC endpoints, explorers, dev tools). Optimize performance and scalability across distributed systems. Collaborate with frontend engineers to define data contracts and API interfaces. Write clean, well-tested code that supports verifiable financial applications. What We’re Looking For Strong experience developing backend systems in Node.js, Rust, or similar languages. Proficiency with PostgreSQL, Prisma, or equivalent data stores. Understanding of API design, authentication flows, and performance optimization. Experience with distributed systems, financial infrastructure, or blockchain. Excellent communication skills in Business English (spoken & written). Bonus Points For Experience building or scaling financial systems (exchanges, payments, clearing). Familiarity with blockchain architectures, smart contracts, or consensus protocols. Exposure to DevOps tooling (Docker, Kubernetes, Terraform, AWS). Experience in high-performance or low-latency system design. Why Join Us Build the backend systems powering the Layer 1 for Verifiable Finance. Collaborate with experts across blockchain, AI, and financial infrastructure. Shape the foundation for a verifiable, transparent, global trading system. Thrive in a fast-moving, high-impact engineering environment.