Senior Full Stack Engineer

Lisbon, Portugal
Overview

We are seeking a Senior Full Stack Engineer to design and develop high-performance web applications for our products. This role emphasizes frontend development, with responsibilities ranging from implementing real-time data integrations to maintaining complex business logic. You’ll also contribute to backend services and work with blockchain smart contracts as needed.

We prefer candidates with prior experience building trading technology, particularly in DeFi projects focused on trading, lending, or derivatives. Familiarity with traditional financial markets (TradFi) or direct experience in trading is highly desirable

Responsibilities
  • Develop and maintain web applications with frameworks like React.js, ensuring smooth real-time data updates via WebSockets.
  • Implement and manage business logic on the frontend to support advanced DeFi workflows.
  • Design, develop, and optimize backend services and APIs using Node.js, TypeScript, and Golang (optional).
  • Integrate frontends with blockchain smart contracts and on-chain solutions using Web3.js or ethers.js.
  • Take ownership of UI/UX design, delivering intuitive and visually polished interfaces.
  • Conduct code reviews and ensure high standards for performance, security, and maintainability
Requirements
  • Proven expertise in front-end development with React.js or similar frameworks.
  • Experience with real-time communication technologies like WebSockets.
  • Solid backend development experience with Node.js, TypeScript, and Golang.
  • Familiarity with blockchain technologies and tools like Web3.js or ethers.js.
  • Bonus: Knowledge of Solidity and Ethereum Virtual Machine (EVM) concepts.
  • Awareness of financial markets, trading, or DeFi ecosystem is a strong advantage.
  • Demonstrated ability to design and implement exceptional UI/UX solutions.
Contact
If you are interested in the position, please email us
careers@rholabs.io