Front End Developer

Celfocus is a European high-tech system integrator, providing professional services focused on creating business value through Analytics and Cognitive solutions – addressing Telecommunications, Energy & Utilities, Financial Services and other markets' strategic opportunities. Serving Clients in 25+ countries, Celfocus delivers solutions such as accelerating digital network transformation in Autonomous Networks, elevating and monetising business services in B2B2x ecosystems, and providing highly relevant customer experiences through Hyper-personalisation solutions. Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative. Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients. Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.   About the role We are looking for Frontend Developers to join the Celfocus Software Engineering Domain in Portugal. As a part of your job, you will: Develop new user-facing features. Responsible for development of new highly responsive, web-based user interface. Work and collaborate with other teams like functional analysis, quality assurance and UX/UI teams. Develop a flexible and well-structured front-end architecture, along with the APIs to support it. Optimizing applications for speed and scalability. Create well-designed, testable, efficient code. Capable of discussing technical and architectural solutions. What are we looking for? Bachelor’s degree in Computer Science or similar. +3 years of professional experience with JavaScript and frameworks: React is preferable. Experience with HTML5, CSS3 and pre-processors like SASS/LESS. Knowledge of web architectures (MVC, MVVM, etc) and communication protocols (HTTP, SOAP, REST, JSON, etc.). Experience with CMS Solutions such as AEM, Liferay or Contentful. Experience with continuous integration tools like Jenkins, Github Actions or Gitlab Pipelines. Knowledge of principles of microservices architecture design (clean and/or hexagonal architectures, message-driven solutions) is a plus. Experience with Docker. Experience with Relational and/or Non-Relational databases. Knowledge of Agile development methodologies (Scrum and/or Kanban). Interest and motivation to explore and investigate new concepts and technologies. Knowledge on TELCO industry BSS architectures is a plus. Proficiency in English (both spoken and written), B2 is minimum. Ability to think creative. Strong attention to detail. Strong time management skills. Proven ability to understand unclear problems and provide solutions for them. Previous experience on mentoring/coaching people. Excellent interpersonal skills. Availability to travel (short-term periods). Personal traits: Ability to adapt to different contexts, teams and Clients Teamwork skills but also sense of autonomy Motivation for international projects and ok if travel is included Willingness to collaborate with other players Strong communication skills We want people who like to roll up their sleeves and open their minds. Believe this is you? Come join the Team!