Senior Frontend Engineer

Job Title: Senior Frontend Engineer Company: Seminal, a leading art and technology company Seminal’s mission is to supercharge the art market to help artists capture the untapped value of their intellectual property. Seminal has created a revolutionary marketplace for artistic copyright, built with blockchain technology. We work with artists, galleries, estates and agents to connect them with a global network of licensees and businesses. Responsibilities : Write robust, reusable code to develop scalable, optimized, and high-performing front-end applications with a strong emphasis on usability and maintainability. Design and implement authentication & authorization systems (e.g., OAuth, JWT, SSO, OpenID Connect, RBAC, ABAC, Multi-Factor Authentication (MFA)). Apply OWASP security best practices to mitigate web security threats (XSS, CSRF, SQL Injection, etc.) in i mplement ing secure session management, data encryption, and secure cookies. Collaborate with engineers across global offices, leveraging your expertise to build industry-grade front-end solutions. Partner with Product Owners, Designers, Operations, and Test Engineers throughout the software lifecycle to ensure seamless project delivery. Lead successful deployments of code changes from development to production, ensuring reliability and efficiency. Drive continuous improvement initiatives across infrastructure, codebases, and development processes. Mentor junior engineers, conduct peer reviews, and provide constructive feedback to enhance the team's technical capabilities. What You'll Bring : Experience : 5+ years as a Next.js/React.js developer, with a proven track record of building large-scale, industry-grade web applications. Technical Expertise : Proficiency in Next.js, React.js, authentication & authorization protocols , identity provider (Auth0, Octa etc.) integration, state management, both synchronous and asynchronous programming with strong understanding of server-side rendering (SSR) , i ncremental s tatic r egeneration (ISR) , partial pre-rendering and caching. Engineering Practices : Solid experience with Test-Driven Development (TDD), including building unit test cases using Jest or React Testing Library. Agile Development : Strong knowledge of Agile methodologies, ensuring quality and timely project delivery. Version Control : Extensive experience with Git, including version control, issue tracking, and writing clear documentation. Mentorship : Proven ability to mentor junior engineers and foster their professional growth. Leadership : Demonstrated leadership experience, with a proactive and solution-oriented approach to problem-solving. Communication : Excellent written and verbal communication skills, with the ability to collaborate effectively in a global, cross-functional team environment. Adaptability : Willingness to conduct independent research and learn new technologies as needed.