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Urgently Hiring Blockchain Developer Jobs in California

Harmony

Blockchain Engineer

Palo Alto, CA · On-site

... and developer are shaping the future with 10X impact. Harmony is a community-driven project, a ... We may use artificial intelligence (AI) tools to support parts of the hiring process, such as ...

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Urgently Hiring Blockchain Developer information

What is the difference between Urgently Hiring Blockchain Developer vs Blockchain Engineer?

AspectUrgently Hiring Blockchain DeveloperBlockchain Engineer
Required CredentialsRelevant coding skills, certifications like CBDE, experience with blockchain platformsSame as Blockchain Developer, often with additional engineering certifications
Work EnvironmentFast-paced, project-based, often startup or tech companyTechnical teams, R&D departments, enterprise settings
Employer & Industry UsageTech startups, financial services, blockchain firmsFinancial institutions, tech companies, blockchain projects
Search & Comparison IntentUrgently hiring blockchain developers for immediate projectsUnderstanding roles and qualifications of blockchain engineers

Urgently Hiring Blockchain Developers and Blockchain Engineers share similar skills and work environments, but the developer role emphasizes immediate project needs, while the engineer role often involves more technical design and system architecture. Both are critical in blockchain projects, with the developer focusing on coding and implementation, and the engineer on system development and optimization.

What are the most commonly searched types of Blockchain Developer jobs in California?

The most popular types of Blockchain Developer jobs in California are:

What are popular job titles related to Urgently Hiring Blockchain Developer jobs in California?

For Urgently Hiring Blockchain Developer jobs in California, the most frequently searched job titles are:

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The top searched job categories for Urgently Hiring Blockchain Developer jobs in California are:

What cities in California are hiring for Urgently Hiring Blockchain Developer jobs?

Cities in California with the most Urgently Hiring Blockchain Developer job openings:

Urgently Hiring Blockchain Developer jobs near you
Infographic showing various Urgently Hiring Blockchain Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, 2% Contract, and 1% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution.

Archon Labs - Blockchain Developer

San Francisco, CA • On-site, Remote

De Circle
See more jobs at De Circleexternal

Full-time

Re-posted 22 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