Job Summary: We are seeking a professional to design, develop, and maintain Liferay-based portals and React applications, integrating Front-End and Back-End, managing data, and providing technical consultancy. Key Highlights: 1. Design and development of Liferay 7.4+ portals and React applications. 2. Efficient integration of Front-End and Back-End. 3. Multidisciplinary collaboration for robust and scalable solutions. We are knowmad mood! We are a leading digital transformation company, continuously evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with a mission to deliver value to our clients and empower our talent. Composed of over 3\.000 creative, digital, and innovative individuals connected to a shared purpose and capable of building connections with people worldwide. A responsible, flexible team with high adaptability to our clients’ and the market’s needs, while consistently delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. The values guiding us toward excellence are collaboration, innovation, commitment, fun, and trust. **What do we value?** * Experience developing on **Liferay 7\.4 or higher platforms**. * Experience creating **sites** using **Master Pages**, **Page Templates**, and **Fragments** in Liferay. * Solid experience in Front\-End development with **REACT 17\+**. * Ability to work collaboratively and communicate effectively with clients and multidisciplinary teams. **What would your responsibilities be?** * **Liferay Development**: Design, development, and maintenance of Liferay 7\.4\+ portals, creating reusable sites using Master Pages, Page Templates, and Fragments. * **Front\-End Development with React**: Development of React applications integrated as **Client Extensions**, embedded within Fragments, or consuming REST services. * **Front\-Back Integration**: Use of Liferay’s native **REST APIs** and custom REST services developed via middleware to ensure efficient communication between Front\-End and Back\-End. * **Back\-End Development**: Creation of **OSGi bundles**, use of **Service Builder**, and generation of APIs via **REST Builder**. * **Data Management**: Definition of data schemas using **Liferay Objects**, implementation of validations, and execution of queries against **MySQL and SQL Server databases**. * **Technical Consultancy**: Providing expert knowledge on Liferay- and React-based solutions, participating in architecture definition and best development practices. * **Multidisciplinary Collaboration**: Joint work with Front\-End, Back\-End, DevOps, and business teams to transform functional requirements into robust and scalable technical solutions. **Additionally, we highly value experience and/or knowledge in:** * Development and management of **Client Extensions** in Liferay. * Development of **React** applications using **TypeScript**. * Familiarity with **Gradle**, **Liferay SDK**, and integration with **IntelliJ IDEA**. * Experience deploying on **Tomcat and Apache**. * Development and consumption of **REST services** using decoupled architectures. * Knowledge of designing and consuming **REST APIs via middleware**. * Experience working with **SQL queries** and optimizing data access. * Familiarity with the following **technology stack**: * Liferay 2026 * React * Gradle * Tomcat / Apache * REST Services * MySQL and SQL Server * Experience with **agile methodologies** (Scrum, Kanban). **And with us you can enjoy:** Permanent Contract **100% REMOTE** Internal training and access to certifications. Check our calendar here: https://www.knowmadmood.com/es/talento/formacion Flexible compensation plan (health insurance, transportation, childcare vouchers, meal vouchers) Become a brand ambassador through our referral program Refer your friends and earn extra rewards! Events, meetups, tech days, talks… and much more! 26 days of leave (22 vacation days, 2 flexible days, and December 24th and 31st as standard holidays) Working hours: 8\.30–18:00 (flexible) Monday–Thursday; Friday 8:00–15:00; Summer intensive schedule (July and August): 8:00–15:00 Stay updated on our news by following us here \-\> knowmad mood *At ***knowmad mood***, we commit to equal opportunities and respect for diversity. We implement our Equality Plan and the principle of non-discrimination across all our recruitment processes.*