Position: Senior Solidity Engineer
Company: Roci.fi
Category: Security
Experience required: 2y
English level: upper

**Description**

At roci.fi we are building a new multi-chain DeFi primitive for zero and under-collateralized lending. At its core, the protocol leverages on-chain data, Machine Learning, and loan risk-management to effectively and profitably facilitate under-collateralized loans via blockchain.

We are looking to find an experienced Senior Solidity Engineer to join our existing smart contracts team of 3 experienced engineers. You’ll be working with advanced smart contracts, working on new features for the protocol and creating new technical DeFi primitives.

**Requirements**

Your code must be auditable, gas-efficient, well-formatted and commented with accompanying documentation. A strong interest and passion for the potential of DeFi is essential, as well as a high degree of focus on security and comprehensive testing.

**Responsibilities**

- Participate in technical specification design, technical roadmap, and implementation of the RociFI Protocol
- Produce high quality, performant, and well-tested Solidity code
- Achieve comprehensive unit and integration test coverage
- Write specs and review PRs
- Work closely with Product owners and CTO on design and ideation of new features

**Requirements**

- 2+ years experience in Solidity development
- Proven experience of previously deployed projects to Mainnet
- 3+ years in general software engineering
- Strong understanding of Cryptoeconomics, token standards, major protocols and primitives (loans, AMM, DEX)
- Understanding security in smart contract design
- Understanding the blockchain data structures (Merkle tree, Patricia tree, etc.)
- Fluency in Python or Node.js

**Bonus**
- Experience working with yield accruing tokens/protocols
- Experience working with sidechains (Avalanche, Polygon, Arbitrum)
- Familiarity with standard DevOps tooling
- Familiarity with low-level EVM concepts
- Ready to accept payment in USDC

**Benefits**

- Unique chance to work in the ground-breaking company that is working to define one of the key Web 3.0 primitives
- Building the most important parts of the modern DeFi infrastructure
- Flexible working hours