Join to apply for the React Senior role at Plexus Tech . We are looking for a React Senior with at least 4 years of experience. Requirements At least 4 years of experience with JavaScript, TypeScript, React, etc. Experience with React 16 and 18. Unit testing with the React Testing Library (JEST) Proficiency in CSS (Styled Components) Knowledge of OOP (Object-Oriented Programming) Knowledge of Domain-Driven Development and Hexagonal Architecture (layered responsibilities) Design patterns. Accessibility knowledge. Development of applications that comply with security standards. B2 English level. With our hybrid model, Flexology lets you work wherever your talent flows best: from any of our 24 work centers in Spain, from home, or a combination of both. The Plexus Tech work ecosystem allows for a collaborative environment within the company. Benefits Work with leading professionals Access to ongoing training Career advancement Flexible compensation for health insurance, meal vouchers, childcare, and transportation Referrals increase your chances of interviewing at Plexus Tech by 2x. Get notified about new Senior jobs in Madrid, Community of Madrid, Spain. #J-18808-Ljbffr