Senior Frontend Engineer, React
Block Labs
Data: há 1 dia
Cidade: Lisboa, Lisboa
Tipo de contrato: Tempo total
Remoto
Title: Senior Frontend Engineer
Department: Engineering
Location: Remote within EU
About Block Labs
Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we’re passionate about turning bold ideas into breakthrough success.
About The Role
As a Senior Frontend Engineer, you will help build high-performance, modular and visually engaging interfaces across a range of cutting-edge platforms. You will work within a cross-functional team of engineers, product managers and designers to deliver seamless user experiences across web application. This is a hands-on role with significant influence over architectural choices, component design and frontend tooling.
Key Responsibilities
Department: Engineering
Location: Remote within EU
About Block Labs
Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we’re passionate about turning bold ideas into breakthrough success.
About The Role
As a Senior Frontend Engineer, you will help build high-performance, modular and visually engaging interfaces across a range of cutting-edge platforms. You will work within a cross-functional team of engineers, product managers and designers to deliver seamless user experiences across web application. This is a hands-on role with significant influence over architectural choices, component design and frontend tooling.
Key Responsibilities
- Design and implement user-facing features with strong attention to performance, responsiveness and UX
- Build, maintain and refactor modular React-based interfaces for scalability and reusability
- Collaborate with product and backend teams to define API contracts and feature behavior
- Advocate for clean, testable and maintainable code through peer reviews and documentation
- Optimize applications for speed, cross-browser compatibility and accessibility
- Work within a modern CI/CD pipeline to ship features efficiently and safely
- Contribute to shared design systems or internal tooling as needed
- You have over 5 years of experience in frontend engineering with a focus on creating high-quality, scalable web applications
- Strong expertise in React and modern JavaScript/TypeScript
- Previous experience with micro frontend architectures is a plus
- Experience with build tools (like Bun, Vite, Webpack) and testing frameworks (such as Cypress or Selenium) is essential
- You have experience in DevOps practices and containerization technologies in cloud environments
- You are passionate about software quality and creating exceptional user experiences
- You have a strong command of both verbal and written English
- Background in fintech, DeFi, or iGaming is a bonus
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