Mongo Jobs in Web3

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Senior Back End Engineer NodeJS Typescript MongoDB
$90k - $112k

This job is closed

About Rhino.Fi

We're on a mission to unlock DeFi for everyone by creating the simplest, most user-friendly platform out there. With Rhino, you can explore a vast universe of DeFi opportunities, all from a single, intuitive interface. Bridging assets across blockchains has never been easier, cheaper, and quicker. In seconds, you'll seamlessly access DeFi and discover high-yield opportunities no matter which blockchain your favorite tokens reside on. Join us and be part of the team that's building DeFi future. We're seeking passionate individuals who believe in the power of DeFi to create a more accessible and equitable financial system. This is your chance to shape the future!

About the role

We are seeking a highly skilled Back End Engineer with expertise in Node.js development and smart contract coding. The ideal candidate will be responsible for designing, implementing, and maintaining complex systems, as well as developing smart contracts using Solidity. This role requires a deep understanding of backend development principles such as building, maintaining and scaling our systems, as well smart contract development.


  • Design, develop, and maintain scalable and efficient backend systems using Node.js.
  • Collaborate with cross-functional teams to understand requirements and translate them into technical solutions.
  • Write clean, modular, and maintainable code that meets coding standards and best practices.
  • Implement and deploy smart contracts on blockchain platforms such as Ethereum or others.
  • Conduct code reviews and provide constructive feedback to team members.
  • Troubleshoot and debug issues to ensure optimal system performance and reliability.


  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • Proven experience as a Back End Engineer with a focus on Node.js development.
  • Strong proficiency in TypeScript and Node.js frameworks.
  • Experience building and maintaining complex backend systems and microservices architectures.
  • Solid understanding of blockchain technology and experience with smart contract development.
  • Knowledge of StarkEx would be beneficial
  • Proficiency in at least one smart contract language such as Rust, Cairo, or Solidity.
  • Experience with blockchain platforms like Ethereum or others.
  • Familiarity with relational and non-relational databases (e.g., MySQL, MongoDB).
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and collaboration abilities.
  • Ability to work effectively in a fast-paced and dynamic environment.