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Blockchain Node Operations Specialist

Lambda256 Co., Ltd. logo
Lambda256 Co., Ltd.

Lambda256 operates Nodit, a Web3 development and blockchain-data platform. It provides node infrastructure, institutional blockchain data APIs, webhooks, validators, datasets, and AI-agent payment tooling for developers, enterprises, exchanges, custodians, and financial institutions.

Seoul, KR
About Lambda256 Co., Ltd.

Lambda256 Co., Ltd. operates Nodit, a blockchain infrastructure and data platform for building and operating Web3 applications. Its offerings include elastic nodes and dedicated clusters, validator-as-a-service, indexed Web3 data APIs, real-time webhooks, cloud-delivered blockchain datasets, an MCP server for AI agents, and x402-based agent payment infrastructure. The company focuses on institutional and enterprise customers—including exchanges, fintech platforms, custodians, wallet providers, asset managers, and treasury teams—while also serving Web3 developers needing multichain infrastructure and data access.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You operate and install nodes for public chains including Ethereum, Arbitrum, Base, Polygon, Aptos, and Ripple. You update clients in response to public-chain hard forks, monitor operating nodes, respond to incidents, and research different blockchain networks. You work with infrastructure including Kubernetes, ArgoCD, Docker, and AWS.

Requirements

  • Basic understanding of Ethereum and EVM
  • Experience operating blockchain nodes on EVM and non-EVM networks
  • Basic understanding of Linux systems
  • At least 2 years of backend development or Linux server administration experience
  • Experience and proficiency in at least one of Go, Rust, or TypeScript
  • Validator node operation experience is preferred
  • Open-source analysis experience is preferred
  • Understanding of blockchain technology and service architecture is preferred
  • Experience with cloud platforms such as AWS or GCP is preferred

Responsibilities

  • Operate and install public-chain nodes for Ethereum, Arbitrum, Base, Polygon, Aptos, Ripple, and other networks
  • Update clients in response to public-chain hard forks
  • Monitor operating nodes and respond to incidents
  • Research various blockchain networks