Senior Backend Developer
Core
Design and build backend systems powering blockchain infrastructure, staking products, and Ethereum data pipelines for Galaxy's institutional digital assets platform.
Role type
Senior Backend Developer (Blockchain/Infrastructure)
Builds
APIs, services, Ethereum data pipelines, indexers, staking and validator infrastructure integrations, and monitoring tooling.
Domain
Finance, Artificial Intelligence, Blockchain, Web3
Deliverable
production ML models | product features | infrastructure
Required skills
Golang, distributed systems, blockchain systems (Ethereum), cloud-native infrastructure (AWS, Kubernetes, Helm, GitOps)
Preferred skills
AI-assisted development workflows, spec-first development, cross-functional collaboration
Technologies
Golang, Ethereum, AWS, Kubernetes, Helm, GitOps, Flux, Claude Code, MCP
Responsibilities
Design and build APIs, services, and Ethereum data pipelines; own system design end-to-end from architecture to observability; define and uphold engineering standards for reliability and security; mentor engineers and improve team practices; collaborate with protocol, product, and infrastructure teams.
Seniority
Senior, hands-on IC with significant ownership and influence