Blockchain engineering covers network integration, protocol development, and chain operations. We build and maintain nodes, indexers, and data services, and integrate on-chain data into products with reliable APIs. For teams launching or extending chains, we help design system components, validator operations, and governance workflows. We also handle chain-specific tooling, upgrades, and monitoring so the network stays stable under load. Our focus is on correctness, performance, and operational resilience. Clients get a production-ready blockchain stack that supports developers, users, and long-term maintenance, with clear runbooks and measurable reliability.