Frontend Developer

You will join our team in Lisbon, working three times per week from the office, to enhance and maintain our Client & Market platforms for luxury Maisons. As a Frontend Software Engineer, you will design, develop, and maintain high-quality software solutions with a strong emphasis on Next/React JS for the frontend and API middleware for the backend. You will leverage your understanding of composable architectures and modern frontend development principles to build scalable, maintainable, and performant applications. You will operate in a global, multi-time-zone environment, collaborating with cross-functional teams to ensure integration, scalability, and performance across digital platforms. Your Missions: • Develop and maintain user interfaces using Next/React JS, ensuring a responsive, accessible, and engaging user experience • Implement and adhere to the latest frontend development principles and best practices, including component-based architecture, state management, and testing • Design, develop, and maintain API middleware to support frontend functionality and integrate with various backend systems • Utilize and maintain the Alokai platform to develop and integrate solutions • Collaborate effectively with product managers, designers, and other engineers to define, design, and ship new features • Write unit, integration, and end-to-end tests to ensure the quality and reliability of the software Your Profile: • Experience in frontend development (minimum 2 years), including design and implementation with Next/React, CSS, Node.js, npm • Experience with API middleware development is a plus • Experience with e-commerce platforms and technologies is a plus • Proficiency in Next/React.js • Experience with code quality and security tools such as SonarQube and Snyk • Experience with Atlassian Suite (Confluence/Jira) • Experience with RESTful APIs (Swagger/OpenAPI) • English fluent. Portuguese is highly desirable • You demonstrate strong problem-solving and analytical skills • You demonstrate excellent communication skills and ability to work with multinational, cross-functional teams What We Offer: • An international community bringing together 110+ different nationalities • An environment where trust has a central place: 70% of our key leaders started their careers at the first level of responsibilities • A robust training system with our internal Academy and 250+ available modules • A vibrant workplace that frequently gathers for internal events (afterworks, team buildings, etc.) • At Mantu, sustainability is part of everything we do. You’ll have the opportunity to turn your ideas into action and make a tangible impact. Every day, our teams bring our ESG commitments to life, from reducing our footprint to driving positive change within our communities. Through our WeCare Together program, you’ll be empowered to design and lead projects that create real social or environmental impact, with the company’s full support. Amaris is proud to be an equal-opportunity workplace. We are committed to promoting diversity within the workforce and creating an inclusive working environment. For this purpose, we welcome applications from all qualified candidates regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or other characteristics.