Blockchain Infra Engineer

4 days ago

San Francisco, California, United States Kite Full time $120,000 - $200,000 per year

Kite
is building the first blockchain for agentic payments, a foundational platform where autonomous AI agents can operate with verifiable identity, programmable governance, and seamless payments. The company's purpose-built Layer-1 blockchain and Agent Passport system enable AI agents to function as first-class economic actors, creating emergent capabilities through composable interactions. Founded by AI and data infrastructure veterans from Databricks, Uber, and UC Berkeley, Kite AI has raised $33 million from top-tier investors, including PayPal, General Catalyst, and leading blockchain foundations.

We are looking for an experienced Senior Blockchain Infrastructure Engineer. As a Senior Blockchain Infrastructure Engineer, you will be responsible for designing, building, and maintaining the core blockchain infrastructure supporting our sovereign L1 EVM compatible chain. You will play an important role in ensuring network reliability, scaling performance, and integrating the latest advancements in EVM, Avalanche subnet EVM, and cross-chain interoperability.

Key Responsibilities:

  • Core Protocol Operations
  • Manage and optimize EVM node infrastructure (Geth, AvalancheGo, etc.)
  • Design and implement monitoring, telemetry, and automated failover systems.
  • Optimize validator, RPC, archive, and indexer node performance and uptime.
  • Sovereign Chain Deployment & Maintenance
  • Lead configuration, deployment, and upgrades for our Layer 1 sovereign chain.
  • Design chain parameters & consensus configurations tuned for our ecosystem use case.
  • Ensure robust upgrade and rollback processes for production chain releases.
  • EVM & Avalanche Ecosystem Integration
  • Deeply understand and extend EVM capabilities and Avalanche tech stack.
  • Contribute to bridge, messaging, and cross-chain modules (e.g. LayerZero integration).
  • Work closely with developer tooling and Dev-Rel teams to improve node UX for smart contract developers.
  • Security and Reliability
  • Implement novel security practices for validator keys, RPC endpoints, and infra pipelines.
  • Participate in audits, incident response, and critical production debugging.
  • Performance & Load Testing
  • Design and execute load tests to benchmark and optimize chain TPS (transactions per second).
  • Analyze bottlenecks and optimize node configurations, mempool management, and block production.
  • Build tooling and dashboards to continuously monitor network performance at scale.
  • Partner with engineering and protocol teams to propose improvements to chain throughput, latency and gas optimisation.

Preferred Qualifications:

  • 5+ years experience in blockchain infrastructure or protocol engineering roles.
  • Understanding of EVM internals, client implementations, RPC, and chain state management.
  • Proven experience managing one of the top L1's EVM and Go-based chains.
  • Experience running & scaling blockchain infra in cloud-native and bare metal environments.
  • Familiarity with cross-chain messaging protocols & bridge design (e.g. LayerZero, Wormhole, Axelar).
  • Proficiency with DevOps tooling (Terraform, Kubernetes) and CI/CD for infra management.
  • Strong understanding of p2p networking, consensus algorithms, and chain upgrade procedures.
  • Experience with sovereign chains, appchains, or building & maintaining L1 or L2 networks
  • Familiarity with AI + blockchain integration patterns (compute marketplaces, zkML, etc.)

Explore more about Kite here :

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