Senior Frontend Engineer

November 15

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Block Labs

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Crypto • Web 3 • B2B

Block Labs is a Web3-focused builder, investor, and marketing partner for blockchain projects. The company provides end-to-end blockchain development (smart contracts, decentralized wallets, NFT exchanges, payment gateways), web3-native marketing (social management, influencer/KOL campaigns, paid media, PR, partnerships), and investment support from seed to Series A. Block Labs works with founders to accelerate growth through technical development, go-to-market strategies, and strategic capital, operating from Sofia, Bulgaria.

51 - 200 employees

Founded 2022

₿ Crypto

🌐 Web 3

🤝 B2B

📋 Description

• Help build high-performance, modular and visually engaging interfaces across a range of cutting-edge platforms • Work within a cross-functional team of engineers, product managers, and designers to deliver seamless user experiences across web application • 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

🎯 Requirements

• Over 5 years of experience in frontend engineering with a focus on creating high-quality, scalable web applications • Strong expertise in React (or comparable frameworks) 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 • Experience in DevOps practices and containerization technologies in cloud environments • Passionate about software quality and creating exceptional user experiences • Strong command of both verbal and written English • Background in fintech, DeFi, or iGaming is a bonus

🏖️ Benefits

• Mature, mission-driven, and low-ego culture • Clarity over noise • Outcomes over theatrics • Pace without chaos