Senior Blockchain Developer

The Company

As a core contributor to the Sky Ecosystem (formerly MakerDAO), Archon is uniquely positioned to drive innovation where technology, regulation, and decentralization meet.

Archon is seeking a highly motivated, detail-oriented Senior Blockchain Developer. If you're passionate about emerging technologies, particularly AI, and you thrive in fast-paced, dynamic startup environments, you will be positioned to make a significant impact in a fast-evolving industry.

About the Role

We are hiring a Senior 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.

What You bring

• 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.

• 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.

Why Join Us?

You will play a pivotal role in shaping and building our product foundation as we operate at the intersection of AI and DeFi. We value initiative, integrity, and a self-starter mentality, and we are committed to fostering a culture where our teams drive the creation of cutting-edge technology.

Diversity and Culture
We strongly believe in a discrimination-free workplace. Harassment, bullying, and exclusionary practices are not tolerated. We embrace the diversity of experience, perspectives, and background - they help us create a people-positive work environment.

Addtional Information
This role involves access to sensitive information, and background screening checks form part of the final stage of our recruitment process.