Senior Contentful Developer
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.
Create and enhance projects in Java, Pyhton, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.
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 experienced React.js Developer with expertise in Contentful CMS, to join the Celfocus 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 teams
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it
- Optimizing application for speed and scalability
- Create well designed, testable, efficient code
- Assume technical lead roles coaching other people in the process
- Assume technical lead roles: work with Solution Architects to design frontend solutions, participate in the definition of the roadmap of the solutions, coach and mentor people in the projects and in the Company
- Work on proposals involving solutions/architecture related to frontend (React.JS) and CMS Contentful technologies
- Distributes and delegates tasks to the other elements of the team
- Capable to discuss, technical and architectural solutions
What are we looking for?
- Bachelors’ degree in Computer Science or similar.
- +5 years of experience in frontend development and content management solutions.
- Experience with Contentful APIs for content management and delivery.
- Experience with Contentful Administration, Contentful Apps, extensions, and integrations.
- Understand the end-to-end content lifecycle, including web content management, content preview, publishing, and deployment.
- Demonstrate a strong proficiency in JavaScript frameworks, with a focus on React.js. Knowledge of Next.js and TypeScript is a plus.
- Work with HTML5, CSS3, and pre-processors like SASS/LESS for front-end styling.
- Experience with GraphQL and RESTful API integration
- Knowledge of web architectures (MVC, MVVM, etc.) and communication protocols (HTTP, SOAP, JSON, etc.)
- Experience with continuous integration tools, like GIT, JIRA, and Jenkins.
- Experience building performant, responsive, robust single-page web applications.
- Proficiency in cross-browser compatibility issues
- An understanding of accessibility, SEO principles and its implications on web applications
- 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 preferable
- Proficiency in English (both spoken and written)
- Ability to think creative
- Strong attention to detail
- Strong time management skills
- Strong leadership skills
- 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 a sense of autonomy;
- Motivation for international projects and ok if travel is included;
- Willingness to collaborate with other players;
- Strong communication skills.
At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.
Come join the Team!
- Department
- BL Digital | Frontend Developement
- Role
- Frontend Developers
- Locations
- Lisbon
- Work Model
- Hybrid

Lisbon
About Celfocus
Celfocus is a European high-tech system integrator, providing leading edge professional services focused on creating business value through Analytics and Cognitive solutions – addressing Telecommunications, Financial Services, Retail, Energy & Utilities, Pharmaceutical, and other markets' strategic opportunities.
As a highly specialised engineering company, Celfocus helps clients undergo their innovation path, providing technological solutions to extract value from data and make it actionable.
Serving clients in +25 countries, Celfocus delivers solutions that boost customer experience and enhance operational efficiency, via our Cognitive Automation, Data & Analytics and Digital offers.
Senior Contentful Developer
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