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Backend Engineer

4 months ago


England, United Kingdom Calyptus Full time

This role is with a Calyptus partner.

Our partners work in the blockchain space so please only apply if this is an area of interest.

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Qualifications

  • Bachelor’s or Master’s degree in Computer Science or a related field
  • Strong experience in backend development (JavaScript/TypeScript/Node, JVM, Go, GraphQL) and infrastructure
  • Proven experience in developing smart contracts on Ethereum or other major blockchain networks, proficiency in Solidity and a deep understanding of the Ethereum Virtual Machine (EVM)
  • Experience with frontend development (React.js, Angular.js, etc)
  • Familiarity with centralized and decentralized oracles, layer 2 solutions, and cross-chain technologies
  • Passion for blockchain, decentralization, and financial innovation combined with a knowledge of DeFi platforms, token standards, and existing DeFi products
  • Strong attention to detail, especially in the areas of security and scalability
  • Excellent communication skills, both verbal and written

Responsibilities

Protocol Design & Smart Contract Development

  • Design, develop, test, and deploy smart contracts on EVM Blockchains.
  • Ensure all smart contracts are optimised, gas-efficient, and adhere to the highest security standards, incorporating the latest technologies and standards as they evolve
  • Liaise with external audit firms for periodic reviews

Backend/Frontend Development & Security:

  • Develop, maintain, and optimize backend services related to the protocol
  • Ensure data consistency, fault tolerance, scalability
  • Develop APIs for front-end consumption and third-party integrations
  • Conduct thorough code reviews, vulnerability assessments, and penetration tests
  • Stay updated with the latest security threats and ensure our protocol remains resilient against attacks
  • Contribute to frontend development and support integrations of web3 frontends with backend and smart contracts

Collaboration & Leadership:

  • Collaborate with the product and research teams to design novel DeFi products and services
  • Work closely with other engineers, researchers, designers, and stakeholders to ensure smooth development
  • Mentor junior developers and foster a collaborative and innovative development environment
  • Provide clear documentation and training materials for the team

Nice to Have:

  • Contributions to a major DeFi project in trading, lending, and derivatives spaces
  • Technical curiosity, experience with other blockchain platforms and technologies
  • Other contributions to open-source blockchain projects

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