Protocol Engineer jobs in United States
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Caldera · 5 months ago

Protocol Engineer

positionUnited States
timeFull-time
remoteRemote
seniorityMid Level
money$190K/yr - $250K/yr
date3+ years exp

Caldera is a company that builds infrastructure for Web3 applications, focusing on ultra-performant rollups. The Protocol Engineer will design and implement smart contracts, ensure on-chain security, and collaborate with various teams to enhance the Metalayer protocol.

ComputerSoftware
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H1B Sponsor Likelynote

Responsibilities

Design & implement Solidity and Rust smart contracts across EVM, L2s, and SVM that form the core Metalayer protocol
Own on‑chain security —role‑based access control, pause/upgrade paths, and high‑value asset protections
Drive audits: spec, coordinate, and remediate findings with top security firms
Collaborate with relayer, indexer, and frontend teams to define clear, developer‑friendly on‑chain APIs
Build tooling for on‑chain monitoring, alerting, and gas/performance profiling
Research & prototype new protocol features (e.g., fast‑finality bridges, ZK‑verified proofs) that expand Metalayer’s surface area

Qualification

SolidityRustEVM/SVM internalsGas economicsOn-chain securitySystematic debuggingTest-driven developmentClear communication

Required

3+ years engineering experience, including shipping production protocols with significant TVL
Expert-level Solidity and/or Rust skills and a deep grasp of EVM/SVM internals
Understand gas/compute metering on Ethereum, L2s, and Solana, and how off-chain components (relayers, indexers) interact with contracts
Comfortable owning end-to-end security: access control, upgradeability, failure-mode analysis, and incident response
Excel at systematic debugging, test-driven development, and writing clean, well-reviewed code
Communicate clearly and enjoy partnering with frontend, backend, and product teams

Preferred

Prior experience building AMMs, bridges, or MEV/intents systems
Hands-on work with consensus algorithms (Paxos/Raft, Tendermint, HotStuff, etc.)
Familiarity with ZK proofs, fast-finality research, or cross-chain messaging standards (e.g., CCIP, IBC)
Significant open-source contributions to blockchain clients, protocol libraries, or security tools

Benefits

Full benefits

Company

Caldera

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Caldera is a software company developing solutions for the wide-format digital printing industry.
dateFounded in 1991
location
Eckbolsheim, Alsace, FRA
people-size51-200 employees
web-link
https://www.caldera.com/

H1B Sponsorship

Caldera has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2022 (1)

Funding

Current Stage
Growth Stage
Total Funding
unknown
2017-04-07Acquired

Recent News

EIN Presswire
Key Market Driver In Print Shop Management Software Industry 2025: Rising Adoption Of Cloud-Based Solutions Fuels Growth
2025-02-17
Company data provided by crunchbase