Blockchain Engineer

Highly Remote

Blockchain Engineers work on protocol-level infrastructure, building and maintaining blockchain nodes, consensus mechanisms, Layer 2 solutions, and cross-chain bridges. They focus on the foundational technology that powers decentralized networks.

Key Responsibilities

Develop and maintain blockchain node software and consensus implementations
Build Layer 2 scaling solutions, rollups, and cross-chain infrastructure
Optimize node performance, transaction throughput, and network reliability
Implement cryptographic protocols and zero-knowledge proof systems
Design and build RPC APIs, indexers, and blockchain data infrastructure
Contribute to open-source protocol development and improvement proposals

Hiring expectations

These describe experienced roles. Requirements vary by employer.

3+ years of systems programming experience with Go, Rust, or C++
Strong understanding of distributed systems, consensus algorithms, and P2P networking
Experience with cryptographic primitives, Merkle trees, and hash functions
Knowledge of blockchain architecture, transaction lifecycles, and state management
Familiarity with Ethereum protocol, EIPs, or alternative blockchain architectures