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Blockchain Systems Engineer Jobs in California (NOW HIRING)

Anza

Senior Software Engineer, Consensus

San Francisco, CA · On-site

$180K - $300K/yr

Software Engineer, Consensus - Anza Who We Are Anza is a Solana R&D lab pushing the boundaries of ... Experience with consensus algorithms, distributed systems, and blockchain technology is highly ...

Fullstack

Software Engineer

San Francisco, CA · On-site

$185K - $300K/yr

You will work across blockchain execution environments, data pipelines, API services, and ... Distributed Systems: Build services that maintain state consistency across complex async processes.

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Blockchain Systems Engineer information

What cities in California are hiring for Blockchain Systems Engineer jobs?

Cities in California with the most Blockchain Systems Engineer job openings:

Archon Labs - Blockchain Developer

San Francisco, CA • On-site, Remote

De Circle
See more jobs at De Circleexternal

Full-time

Re-posted 2 days ago

Job description

We are hiring a Blockchain Developer to build data-driven systems and smart contracts that power risk analytics and allocation workflows in decentralized finance. You will work across on-chain and off-chain data, deliver secure Solidity contracts, and ship reliable services that integrate blockchain data with internal platforms.
What You'll Do
  • Extract, normalize, and store data from Ethereum, L2s such as Arbitrum and Solana, plus relevant protocols.
  • Design and implement secure Solidity/EVM contracts to enable data adapters, allocation validation, and rule evaluation.
  • Build and maintain services that integrate on-chain data to internal systems and external APIs.
  • Develop robust, testable logic for event ingestion, data orchestration and state transitions.
  • Implement access controls, pausability, monitoring, and on-chain and off-chain audit trails.
  • Collaborate with product and engineering teams to design resilient, auditable, and automated financial workflows.
  • Contribute to shared libraries and improve tooling for data ingestion, validation, and analysis.

  • Strong Python proficiency for data processing, backend services, and automation.
  • Extensive hands-on experience with Solidity, EVM tooling, and DeFi integrations.
  • Practical use of The Graph (subgraphs), Alchemy or Infura, Dune or Flipside, or custom indexing tools.
  • Understanding of decentralized data models, indexing, and event-driven architectures.
  • Track record of clean, maintainable, and secure code, with thorough tests and reviews.
  • Experience owning deliverables end-to-end and working in distributed, async teams.
  • Background in fintech, data engineering, or DeFi infrastructure.

Nice to Have
  • Proficiency in C++ or Java for performance-sensitive components.
  • Experience with formal verification, bug bounty programs, or audit coordination.
  • Familiarity with time-series and relational data models.
  • Exposure to infrastructure basics such as containers and Infrastructure as Code, for example Docker and Terraform; knowledge of Kubernetes is a plus but not required.

Soft Skills
  • Clear, structured communication.
  • Attention to detail, strong ownership, ability to break down complex problems and deliver independently while being a reliable team player.
  • Proactive, self-directed mindset suited to a fast-evolving technical environment.

Apply