Blockchain Node Operations Specialist
Lambda256 Co., Ltd. is a Seoul-based blockchain technology company and Dunamu subsidiary operating enterprise Web3 infrastructure.
Maintainer signals as of 9/25/2026
Funding history
About Lambda256 Co., Ltd.
Lambda256 originated as Dunamu's blockchain research division and became an independent corporation in March 2019. Its current products include Nodit, an institutional-grade multichain node and blockchain-data infrastructure platform; CLAIR, an ontology-based blockchain intelligence and FRAML engine; and SCOPE, an institutional stablecoin issuance, payments, settlement, wallet, and compliance platform. Lambda256 also operates Nodit services including Datashare, Datasquare, validator operations, Web3 Data APIs, webhooks, MCP, and x402-based agentic payments.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and operate nodes across public blockchain networks, handling installation, synchronization, tuning, upgrades, and hard forks. You will monitor infrastructure signals, investigate incidents, prevent recurrence, and automate repeated operational work. You will distribute high-volume traffic across nodes and help deliver zero-downtime upgrades.
Requirements
- Understand the fundamentals of Kubernetes or Docker
- Have experience using at least one programming language to build scripts or small tools
- Possess foundational knowledge of operating systems, networking, data structures, and Linux systems
- Use logs and evidence to narrow down the root cause of problems
- Independently identify problems and execute solutions
Responsibilities
- Build and operate nodes across public blockchain networks
- Install, synchronize, and tune chain-specific node clients
- Monitor performance and resource signals and respond to incidents
- Investigate root causes and implement recurrence prevention
- Automate repetitive operational tasks
- Contribute to blockchain ecosystems through community activity and research
- Distribute high-volume traffic across nodes and enable zero-downtime upgrades and hard forks
Hiring Process
Application review (October) → assignment (October) → first role interview (November) → second culture-fit interview (November) → final offer and start date (December)