Nos urge incorporar para nuestro cliente (Segunda empresa de Telecomunicaciones más grande de EEUU.) el perfil de Senior Fullstack con especialidad en frontend con buen nivel de ingles. Description Front-end user interface design, development and testing, leveraging client portal frameworks and design systems for building consistent digital products and experiences. Integrate front-end interfaces with back-end systems via API calls. Back-end development, experience creating APIs and microservices. Develop reusable software components, writing clean, efficient, and well-documented code. Collaborate with and mentor other employees. Comfortable with pair programming able to conduct code review to ensure overall code quality. Contribute to overall software development lifecycle maturity, leveraging strong DevOps and Agile principles and practices (high quality code and testing, CI/CD). Demonstrate a creative and innovative spirit towards continuous improvement and software delivery excellence. Proactively take ownership of tasks, seeing them through to completion. Comfortable working across time zones with US-based colleagues. Minimum requirements English proficiency (C1/C2). Experience developing web applications and familiar with the whole web stack, including protocols and web server optimization techniques. 5 years software development experience on front-end side. Expert knowledge of Core JavaScript, TypeScript, ECMA 6, Flux, WebSockets, Redux style architectures. Good knowledge of HTML5, CSS3, Mocha, Less, Vue.js and general knowledge of other front-end technologies (for example: Angular, React, Stencil, etc.) Expertise defining front-end / back-end architecture and guidelines. Experience with API integration and microservices. Experience developing e2e tests and unit tests. Experience developing microservices and REST APIs with Spring Boot. Experience with good engineering practices (test-driven development, continuous integration, etc.) Experience with cloud providers such as AWS, Microsoft Azure, or Google Cloud. Experience with relational databases and NoSQL databases. Experience with DevOps methodology and tools, such as source code management tools (GitHub, GitLab, etc), CI pipeline tools (Jenkins, GitHub Actions, etc), code quality and analysis tools (SonarQube, etc). Ability to communicate technical designs and objectives clearly. Preferred requirements Experience with Cypress and Cucumber. Experience developing with Python and Groovy. Experience with Robot Framework. Familiar with API oriented ecosystems (API Developer Portals, API Gateway architectures). Agile frameworks and tools (Scaled Agile Framework, JIRA, Confluence, etc.) Condiciones: -Cliente: Segunda empresa de Telecomunicaciones más grande de EEUU. -Salario: Entre 65K y 70K 15% de bonus. -Contrato: Indefinido directamente con el cliente. -Interesante paquete de beneficios sociales: seguro médico muy potente, comida pagada cuando vayan a la oficina, clases de inglés, plaza de parking gratuita, previa reserva a través de una aplicación propia. -Horario: flexible, pero que sean conscientes de que tendrán reuniones con compañeros en EEUU, que por diferencia horaria pueden ser a las 18:00h o más tarde, algunos días. -23 días laborables de vacaciones. -Ubicación: Méndez Álvaro (Madrid). -Modelo de trabajo: Trabajo flexible . Ir a la oficina es opcional, estaría bien que fueran algún día a la oficina, al menos un día a la semana, pero pueden trabajar 100% remoto.