Senior Frontend Engineer

This role is with a Calyptus partner.

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Mission & Responsibilities

• Feature Ownership: Own and implement frontend features, either from scratch or by enriching current implementations.
• Code Clarity: Ensure that the feature/code is understandable by peers and all code readers + well documented. We work with React & NestJS
• Performance: Optimize app performance and improve app resilience with testing at different level (units, integration & e2e).
• Justification: Justify each implementation and design choice.

Collaboration

• Code Reviews: Regularly review peers' code and participate in daily meetings.
• Codebase Understanding: Gain a deep understanding of the codebase and features.
• Expertise Sharing: Share expertise and assist other frontend developers in designing technical implementations of features.
• Sprint Organization: Make accurate estimations on specs, split specs into technical tasks, and keep tickets up-to-date. Communicate with the product team to ensure clarity and feasibility.
• Product Reviews: Ensure that specs are understood and designs are optimized. Provide an engineering perspective to the product team and challenge product implementations when necessary.

Must-have Experience & Skills

• 5 years of experience in frontend development: Deep knowledge of Typescript, React, Next.js, GraphQL, CSS.
• 2 years of experience in web3 space: Familiarity with Ethers, Viem, Wagmi.
• Team Collaboration: Proficiency in sprints, ticket management, PRs, and clear communication.
• Testing: Knowledge of testing technologies like Hardhat, Cypress. Nice to have: Anvil, Jest, Mocha.
• English Proficiency: Good level of English, with the ability to communicate clearly in writing.
• Low Ego / Humility: Maintains a humble and low-ego approach.
• Flexibility & Agility: Flexible and agile, but capable of pushing back against unrealistic or undefined goals to ensure clarity and feasibility.
• Effective Communication: Good communication skills to facilitate understanding and collaboration among peers.

Nice to Have

• RxJS (reactive JS) & Reactive Code: Knowledge of reactive programming.
• Open Source Projects: Experience in developing or contributing to open source projects.
• Collaborative Projects: Contributions to large open source projects (e.g., React, Redux, Viem).
• Framework Understanding: In-depth knowledge of how used frameworks/libraries work (e.g., encoding with Viem, React internals).
• Backend Knowledge: Especially in GraphQL and NestJS for full-stack development.
• Web3 Projects: Previous experience working on a large web3 project.

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