Senior Blockchain Engineer

Job description

About the Job zerohash is looking for a Senior Blockchain Engineer to help architect and build the infrastructure that powers digital asset transactions across multiple blockchain networks. We are a high-performing team looking for an equally ambitious and driven teammate. The right candidate for this position is detail-oriented, deeply technical, and driven. You are eager to learn new technologies and complex systems. You build resiliency and scalability into the platform at every step. If you're looking to have a massive impact in one of the most exciting markets in decades, you will find this role challenging and rewarding in equal measure. Key Responsibilities: - Design and build blockchain integration services — transaction signing, deposit processing, and confirmation tracking — across multiple networks (EVM, Solana, Polkadot, XRP, and others) - Build and maintain gRPC microservices in Go within an event-driven architecture using NATS JetStream - Implement transaction state machines with reliability guarantees including idempotency, distributed locking, and chain reorganization handling - Integrate with custody providers for secure transaction signing and wallet management -...