Senior Frontend Engineer

**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 senior frontend engineers to join the Celfocus’ Egypt Development
Center.
Someone that is eager to try new trends, new stacks and innovative approaches to our
solutions would be the best fit. Disruptive mindset, not getting demotivated by failure,
out of the box thinking and the willingness to take the risk, is the mindset we are
looking for

**As a part of your job, you will**:

- Participating in the entire software development life cycle, from concept and design to deployment and maintenance.
- Collaborate with product managers, designers, and backend engineers to define project requirements and translate them into technical specifications and implementation plans.
- Work with back-end developers to integrate APIs and services.
- Write code and tests, build prototypes, resolve issues, and profile and analyze bottlenecks.
- Optimize frontend performance to ensure fast rendering and smooth interactions for high data volumes.
- Work on proposals involving solutions/architecture related to Frontend technologies.
- Proficiency with UI rendering optimization, caching, bundling and responsive pages.
- Ensure the technical feasibility of UI/UX designs.
- Develop automated tests to ensure business needs are met and allow for regression testing.
- Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency).
- Provide guidance, support, and mentorship to junior developers, fostering their professional growth and development.
- Providing code documentation and other inputs to technical documents.
- Be an active member of our frontend community.
- Contribute to Celfocus technical roadmap and innovation initiatives.

**What are we looking for?**
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
- Strong experience of responsive design principles, cross-browser compatibility, and web accessibility standards.
- 6+ years of professional experience in Front-End development such as (React or Angular).
- Strong experience in JavaScript/Typescript and its nuances, including ES6+ syntax.
- Strong experience in HTML5, CSS3, jQuery and AJAX.
- Strong experience in web architectures (MVC, MVVM, etc.) and communication protocols (HTTP, SOAP, REST, JSON, etc.)
- Strong experience working with XML/JSON.
- Strong experience in CSS preprocessors such as Sass or LESS.
- Strong experience with software engineering best practices such as design patterns, code reviews, unit, and integration testing, etc.
- Strong experience with frontend builds tools, package managers, and task runners such as (Webpack, Babel, NPM, etc.).
- Strong experience about testing frameworks such as Jest.
- Strong experience in software security aspects and tools such as (Authentication/Authorization, Encryption/Decryption, Digital Signatures, Identity and Access Management). (Owasp Top 10)
- Strong experience with code analysis and review tools such as (ESLint, SonarQube, CodeQL).
- Experience in continuous integration and continuous delivery tools (CI/CD) such as (Jenkins, Github Actions or Gitlab Pipelines).
- Experience with ticket tracking and documentation tools such as (JIRA and Confluence).
- Experience with version control systems and its daily workflow such as (GitHub and GitLab).
- Experience with Relational/NoSQL databases and data workflow management.
- Strong Knowledge of UX/UI principles.
- Strong knowledge of cloud and containerized solutions (AWS, Azure, Kubernetes, Docker, etc.)
- Strong knowledge of agile development methodologies (Scrum and/or Kanban).
- Knowledge of content management system (CMS) such as (Adobe Experience Manager (AEM), Liferay, Contentful).
- Knowledge of principles of microservices architecture design (clean and/or hexagonal architectures, message-driven solutions) is a plus.
- Knowledge of API Gateways (Kong API Gateway) is a plus.
- Knowledge of Figma and Sketch is a plus.
- Knowledge of TELCO industry BSS architectures is preferable.
- Hands on experience integrating with REST APIs using TMF standards & Open API specifications is preferable.
- Problem solver mindset: for a given context, think, design, and present a solution for a diverse set of stakeholders (from CTO to architects and developers).
- Excellent communication skills to convey technical concepts and collaborate effectively with cross-functional teams and clients.
- Availability to trav