decircle

Talent Partner for decentralized organizations and projects that are building Web3.

Blockchain Developer

Blockchain EngineerBlockchain EngineerFull TimeRemoteTeam 1-10Since 2019H1B No SponsorCompany SiteLinkedIn

Location

California

Posted

127 days ago

Salary

Not specified

Bachelor DegreeEnglishDockerJavaKubernetesPythonSolidityTerraform

Job Description

• 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.

Job Requirements

  • 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.

Related Categories

Related Job Pages

More Blockchain Engineer Jobs

Assoc, Protocol Engineer – Chainlink

Galaxy

Engineering a new economic paradigm.

Blockchain Engineer129 days ago
Full TimeRemoteTeam 201-500Since 2018H1B Sponsor

Protocol Engineer focusing on blockchain infrastructure and custody solutions at Galaxy.

KubernetesTerraformWeb3
United States
OtherRemote

THIS IS AN UNPAID ROLERole: Blockchain Software DeveloperNature: Voluntary (unpaid)Location: RemoteThe Blockchain & Climate Institute (BCI) is an international volunteers-led think tank supporting and advocating the application of blockchain te...

United States

Founding Protocol Engineer

decircle

Talent Partner for decentralized organizations and projects that are building Web3.

Blockchain Engineer131 days ago
Full TimeRemoteTeam 1-10Since 2019H1B No Sponsor

Protocol Engineer responsible for core components of Prover Network

Rust
California

Blockchain Engineer

decircle

Talent Partner for decentralized organizations and projects that are building Web3.

Blockchain Engineer131 days ago
Full TimeRemoteTeam 1-10Since 2019H1B No Sponsor

Blockchain Developer building decentralized finance solutions

DockerJavaKubernetesPythonSolidityTerraform
California