Protocol Engineer

Remote

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$190,000 – $250,000Compensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Blockchain, Web3, Cryptocurrency, FintechIndustries

Requirements

Candidates should have 3+ years of engineering experience, including shipping production protocols with significant TVL. Expert-level Solidity and/or Rust skills and a deep grasp of EVM/SVM internals are required. A strong understanding of gas/compute metering on Ethereum, L2s, and Solana, and how off-chain components interact with contracts is necessary. Candidates must be comfortable owning end-to-end security, including access control, upgradeability, failure-mode analysis, and incident response. Excellent communication skills and experience partnering with frontend, backend, and product teams are also essential. Bonus points for prior experience with AMMs, bridges, MEV/intents systems, consensus algorithms, ZK proofs, fast-finality research, cross-chain messaging standards, or significant open-source contributions.

Responsibilities

The Protocol Engineer will design and implement Solidity and Rust smart contracts for the Metalayer protocol across EVM, L2s, and SVM. Responsibilities include owning on-chain security, including role-based access control, pause/upgrade paths, and high-value asset protections. The role involves driving audits by specifying, coordinating, and remediating findings with security firms. Collaboration with relayer, indexer, and frontend teams to define clear, developer-friendly on-chain APIs is expected. The engineer will also build tooling for on-chain monitoring, alerting, and gas/performance profiling, and research and prototype new protocol features such as fast-finality bridges and ZK-verified proofs.

Skills

Solidity

Rust

EVM

SVM

Smart Contracts

Blockchain Interoperability

Gas Economics

Cross-chain Message Passing

On-chain Security

Role-based Access Control

Upgrade Patterns

Monitoring

Alerting

Performance Profiling

Caldera

Customizable blockchain rollups for developers

About Caldera

Caldera.xyz creates customizable blockchain rollups that improve the performance and scalability of existing blockchains like Ethereum and Polygon. These rollups allow developers and organizations to deploy applications with high transaction throughput and low fees, while offering features like paying for transaction fees in native tokens or eliminating them altogether. The platform is user-friendly and EVM compatible, making it accessible to a wide range of clients without requiring extensive technical knowledge. Caldera's goal is to optimize blockchain operations for its clients and establish itself as a key player in the blockchain infrastructure market.

San Francisco, CaliforniaHeadquarters

2022Year Founded

$23.3MTotal Funding

SERIES_ACompany Stage

Fintech, Crypto & Web3Industries

11-50Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Home Office Stipend

Conference Attendance Budget

Risks

Increased competition from new entrants like Espresso Systems threatens market share.

Over-reliance on Ethereum's ecosystem poses risks if Ethereum faces challenges.

Rapid technological advancements could render Caldera's solutions obsolete without continuous innovation.

Differentiation

Caldera offers customizable blockchain rollups for enhanced performance and scalability.

Clients can tailor blockchain environments, optimizing operations with low fees and high throughput.

Caldera's platform is user-friendly, allowing non-technical users to manage blockchain rollups.

Upsides

Caldera raised $15M to develop the Metalayer, enhancing Ethereum's rollup ecosystem.

Partnerships with ApeCoin and RARI Foundation expand Caldera's reach in gaming and NFTs.

Guardian Nodes launch offers decentralization and rewards, boosting community involvement.

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