Blockchain and Protocol Engineer

• Design and build blockchain components, consensus, tools for Portal ecosystem
• Provide high-quality testable code (TDD).
• Enhance the team’s technical knowledge.
• Collaborate with auditors to ensure code quality and security.
• Work closely with cross-functional teams on product development and the integration of blockchain solutions into the company’s existing ecosystem.
• Encourage and mentor junior colleagues.

Qualifications

• Good understanding of distributed systems and network protocols
• 5+ years of blockchain development experience.
• Experience in backend development using JS/Nodejs/Rust/Go
• Practical experience deploying smart contracts on major blockchain mainnets.
• Experience creating/working in a team that created an L2 or L1 systems is a plus
• Understanding and being able to reason about different scalability approaches, such as rollups and sidechains, knowledge of ZK rollups is a big plus.
• Experience of writing smart-contracts (using Solidity or Vyper) is a plus
• Practical experience using Lotion.js
• Practical blockchain experience with a thorough understanding of consensus algorithms.
• Bachelor’s Degree (or higher) in CS/Mathematics/Physics.
• Quick learner with an ambitious and results-oriented mindset.
• Ability to work as part of a team in a fast-paced environment.
• Outstanding communication and organisational abilities.
• Fluent English.

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