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Senior Frontend Developer

PRACYVA · Amsterdam Area

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We are looking for a highly skilled Senior Frontend Developer who combines strong technical expertise with ownership, problem-solving abilities, and excellent collaboration skills. In this role, you will be responsible for designing, developing, testing, and maintaining high-quality customer-facing web applications while contributing to architectural decisions and continuous improvement initiatesKey ResponsibilitiesDevelop modern, responsive, and pixel-perfect user interfaces with a strong focus on usability, accessibility, and performance.Build scalable frontend applications using JavaScript, TypeScript, React, and Next.js.Work within an Nx monorepo environment and contribute to shared libraries and reusable components.Implement and maintain automated tests using Jest to ensure application quality and reliability.Take end-to-end ownership of frontend solutions, from requirements gathering through deployment and production support.Collaborate closely with Product Owners, UX Designers, Backend Developers, QA Engineers, and DevOps teams.Participate in Agile ceremonies, including sprint planning, daily stand-ups, retrospectives, and backlog refinement.Contribute to technical design discussions and help shape scalable and maintainable architecture.Ensure high standards for code quality, security, performance, and accessibility.Support production systems through on-call rotations and incident resolution when required.Drive continuous improvement by adopting modern technologies, development practices, and engineering standards.Required Skills & ExperienceFrontend TechnologiesStrong experience with JavaScript (ES6+), TypeScript, HTML5, CSS3, and SASS.Extensive hands-on experience with React and Next.js.Experience working with component-based architectures and reusable UI libraries.Solid understanding of responsive design, accessibility standards, and browser compatibility.Development Practices Experience working with Nx monorepos.Strong testing background using Jest and modern frontend testing practices.Familiarity with CI/CD pipelines and modern software delivery approaches.Experience working in Agile/Scrum environments.