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Senior Frontend Engineer (React)

Senior Frontend Engineer (React)

Location: Lisbon, Full-time / Remote


🌍Shape the Future of Web3 at Rarible

At Rarible, we're building the next generation of decentralized NFT marketplaces and Web3 solutions. Our platform is at the forefront of the NFT revolution, empowering communities and brands to create, trade, and engage in a seamless digital economy. We operate across multiple verticals—Rarible.com (B2C marketplace), Rarible X (B2B white-label solutions), and Rarible.org (our protocol and infrastructure layer). With a strong focus on innovation, scalability, and user experience, we are looking for a Senior Frontend Engineer to join our growing team and contribute to our cutting-edge Web3 applications.

If you're passionate about crafting seamless, intuitive, and highly performant front-end experiences while working with modern web technologies, we want to hear from you.


🛠 Role Overview

As a Senior Frontend Engineer, you will play a pivotal role in shaping the user experience of our NFT marketplace and B2B solutions. You'll work on building scalable, high-performance web applications that deliver an exceptional user experience, ensuring a seamless journey across our platforms. You'll collaborate closely with design, product, and backend teams to develop new features, optimize performance, and refine our frontend architecture.


🔹Who We're Looking For:

We need a senior-level engineer who can act as a cornerstone of the frontend team, someone who doesn’t necessarily manage others but is an effective communicator, a proactive problem-solver, and an expert in modern frontend technologies.


** We're open to candidates who prefer hybrid working at our Lisbon office, as well as those looking to work remotely.**


💼 Your Responsibilities

Build & Optimize: Design, develop, and refine highly interactive and performant user interfaces using React, TypeScript, Rx.js, and styled-components.

Scalability & Performance: Optimize UI components for responsiveness, performance, and seamless blockchain interactions.

Architect & Implement: Take ownership of end-to-end frontend development, from architectural decisions to feature implementation.

Collaboration: Work closely with product managers, designers, and backend engineers to scope, estimate, and execute complex features.

Code Quality & Standards: Define and uphold best practices in frontend engineering, including testing, accessibility, and maintainability.

Mentorship: Support and mentor junior engineers, sharing knowledge and driving best practices across the team.

Innovation: Stay up-to-date with industry trends and drive innovation in Web3 user interfaces and blockchain interactions.


🔧 Skills & Experience We Value

Proven Track Record: Experience owning and successfully shipping frontend products at scale.

React Ecosystem Expertise: Strong proficiency in React, TypeScript, Rx.js, and styled-components.

State Management & API Integration: Experience with complex state management.

Web Performance Optimization: Ability to fine-tune UI components for speed and efficiency.

Blockchain/Web3 Knowledge (Bonus): Familiarity with blockchain technologies, NFTs, or smart contracts is a plus.

Startup & Remote Experience: Ability to thrive in a fast-paced, globally distributed environment.


🚀 Why Join Rarible?

🌐 Pioneering Spirit: Work at the cutting edge of Web3 and NFTs, shaping the future of decentralized applications.📈 Growth & Learning: Access mentorship, knowledge-sharing, and a culture of continuous learning.🤝 Impact: Be part of a team building innovative solutions for top brands, creators, and NFT communities.💡 Diverse & Inclusive: Work with a global, talented team in an inclusive and dynamic environment.


🎁 Perks & Benefits

Full-time role with the option to work remotely or hybrid from our Lisbon office.

Competitive Salary + Stock Options + RARI Token Grants.

Relocation Support (for those moving to Lisbon).

Unlimited Paid Time Off – we trust you to manage your work-life balance.

Top-tier Hardware & Software setup for your needs.

Tuition Reimbursement for continuous professional development.


🔗Interested? Apply now and help shape the Web3 revolution at Rarible!

 


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What You Should Know About Senior Frontend Engineer (React), Rarible

Join Rarible as a Senior Frontend Engineer (React) and step into a dynamic role that places you at the forefront of the Web3 movement in Lisbon! At Rarible, we are redefining how communities and brands engage with digital assets. As a crucial part of our engineering team, you will design, develop, and enhance our cutting-edge NFT marketplace and B2B solutions. Your expertise in building high-performance, interactive user interfaces using React and TypeScript will be invaluable as you collaborate with talented designers, product managers, and backend engineers to deliver exceptional front-end experiences. You'll be responsible for optimizing application responsiveness and ensuring that our platforms are not only visually appealing but also efficient and user-friendly. We invite innovative thinkers who are passionate about mentorship, scalability, and blockchain technology to join our inclusive team. In this hybrid position, you can choose to work from our vibrant Lisbon office or remotely. If you’re ready to make a meaningful impact in the decentralized economy, we would love to hear from you!

Frequently Asked Questions (FAQs) for Senior Frontend Engineer (React) Role at Rarible
What are the responsibilities of a Senior Frontend Engineer (React) at Rarible?

As a Senior Frontend Engineer (React) at Rarible, your core responsibilities include designing and developing high-performance user interfaces using React, TypeScript, and Rx.js. You will be involved in optimizing the UI for responsiveness and performance, implementing new features, and collaborating with product managers and designers to ensure a seamless user experience. Additionally, you'll uphold best practices in frontend development, mentor junior engineers, and drive innovation within our Web3 applications.

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What qualifications are needed to apply for the Senior Frontend Engineer (React) position at Rarible?

To qualify for the Senior Frontend Engineer (React) position at Rarible, candidates should have a proven track record in shipping front-end products at scale. Expertise in the React ecosystem, including proficiency in TypeScript and Rx.js, is essential. Experience with state management, web performance optimization, and familiarity with blockchain technologies, NFTs, or smart contracts is highly desirable. A background in startup environments and the ability to work well in a remote or hybrid setting are also important.

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What technologies will a Senior Frontend Engineer (React) at Rarible be working with?

At Rarible, a Senior Frontend Engineer (React) will primarily work with modern web technologies, including React, TypeScript, Rx.js, and styled-components. You will also engage with various tools and techniques focused on performance optimization and ensuring seamless interactions with blockchain technologies, which are integral to our platforms.

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Is there a remote work option for the Senior Frontend Engineer (React) role at Rarible?

Yes, Rarible offers flexible work arrangements for the Senior Frontend Engineer (React) role, allowing candidates to work both remotely and in a hybrid setting from our Lisbon office. We value work-life balance and trust our engineers to manage their schedules effectively.

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What benefits does Rarible offer to its Senior Frontend Engineers (React)?

Rarible offers a competitive salary for the Senior Frontend Engineer (React) position, alongside stock options and RARI token grants. Additional benefits include unlimited paid time off, tuition reimbursement for professional development, relocation support for those moving to Lisbon, and access to top-tier hardware and software. We prioritize professional growth and a healthy work-life balance.

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Common Interview Questions for Senior Frontend Engineer (React)
Can you describe your experience with React and why it is your framework of choice?

In your answer, highlight specific projects where you utilized React to build interactive user interfaces. Discuss the strengths of React, such as its component-based architecture, the virtual DOM, and its ecosystem of libraries that enhance development, such as Redux for state management or styled-components for styling.

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How do you approach optimizing the performance of a frontend application?

A strong answer will detail techniques such as code splitting, lazy loading, minimizing render blocking, and using React's memoization to prevent unnecessary re-renders. Mention tools like Lighthouse or web performance monitoring solutions that help benchmark and improve performance.

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What strategies do you use for mentoring junior engineers?

Discuss your approach to mentorship by highlighting how you share knowledge through code reviews, pairing sessions, and fostering an open environment where juniors feel comfortable asking questions. Mention how you encourage them to tackle complex problems independently while providing constructive feedback.

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How have you collaborated with designers and product teams in your previous roles?

Illustrate your teamwork skills by giving examples of how you participated in design sprints or workshops, contributed to feature discussions, and provided frontend input on UI designs. Emphasize the importance of clear communication and alignment with design goals.

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Talk about a challenging frontend issue you encountered and how you resolved it.

Provide a specific example of a technical challenge, such as a performance bottleneck or a difficult UI design. Detail the steps you took to analyze the issue, the solution you implemented, and the outcome, focusing on the skills you leveraged during this process.

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How do you ensure the code quality and maintainability of your projects?

Discuss practices such as writing unit tests, adhering to coding standards, using linters and formatters, and conducting code reviews. Emphasize the role of documentation in making code maintainable for future developers.

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What is your experience with state management in complex applications?

Talk about the state management solutions you’ve implemented, like Redux or Context API. Explain how you approach designing state structures to ensure scalability and maintainability within large applications.

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How do you stay updated with the latest trends and technologies in frontend engineering?

Describe your strategies for continuous learning, such as following industry blogs, participating in webinars, or taking online courses. Mention any communities or forums you are part of that help keep you informed about emerging frontend technologies.

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What role does accessibility play in your frontend development process?

Highlight your commitment to creating accessible web applications, discussing practices like semantic HTML, ARIA roles, and testing tools for accessibility compliance. Explain how you incorporate accessibility considerations from the design phase through implementation.

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Why are you interested in working for Rarible as a Senior Frontend Engineer (React)?

Express your enthusiasm for Rarible’s mission in the Web3 space and your alignment with its values of innovation and community empowerment. Discuss how your skills and experiences can contribute to advancing Rarible’s projects and goals in the NFT marketplace.

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Full-time, hybrid
DATE POSTED
February 21, 2025

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