Senior Development Engineer - React Frontend

JobgetherBrussels (Firmensitz, recherchiert)Job.bopublished 11/11/2026
Must-have:JavaScriptJavaHTMLCSSReactGitAWSAzureGoogle CloudDockerKubernetesCloudFrontendBackendMobileAgileScrumCI/CDTDDAI

Accountabilities

  • Design, develop, and maintain highly usable, responsive, and performant web applications that meet business and customer requirements.
  • Build reusable frontend components and libraries to support consistency, scalability, and future development.
  • Translate UI designs and wireframes into high-quality, maintainable code.
  • Understand user interactions and apply user-experience and user-interface principles to improve product usability.
  • Optimize frontend components for performance across a wide range of devices, browsers, and web-capable platforms.
  • Analyze complex business requirements and prepare technical specifications for sophisticated platforms and applications.
  • Provide technical and coding direction to less experienced team members and develop complex, original solutions.
  • Apply testing and debugging best practices, including Test-Driven Development (TDD) and Behavior-Driven Development (BDD), and support the design of testing systems and preparation of test data.
  • Work within an Agile Scrum delivery model, adapting to changing priorities and collaborating with the wider team.
  • Contribute throughout the software development lifecycle, including solution design, implementation, CI/CD pipeline development, deployment, and operational support.
  • Create and maintain technical documentation, procedures, user guides, and operational workflows.
  • Collaborate constructively with colleagues, share knowledge, accept feedback, and contribute to a supportive and productive team environment.
  • Manage workload and priorities effectively to deliver high-quality work on schedule.

Requirements

  • BE/B.Tech, MCA, or an equivalent degree in Computer Science or a related discipline, or equivalent practical experience.
  • At least 8 years of overall programming experience developing n-tier web applications using HTML, JavaScript, CSS, REST APIs, JSON, Ajax, and XSL.
  • At least 4 years of experience working with HTML, CSS, JavaScript, libraries such as jQuery, Bootstrap, and Material UI, and frameworks such as React.
  • At least 3 years of experience in backend service-layer development and integration using REST APIs.
  • Previous experience with common React.js application workflows and state-management solutions, such as Flux or Redux.
  • Familiarity with modern ECMAScript specifications and JavaScript development practices.
  • Experience with unit-testing approaches, including TDD and BDD, and testing frameworks such as Jest and Enzyme.
  • Experience with frontend development tools such as Babel, Webpack, and NPM.
  • Strong understanding of responsive web application design and implementation best practices.
  • Familiarity with functional UI testing, JavaScript and Java unit testing, and performance-testing tools.
  • Experience with Jenkins or comparable continuous integration tools, as well as source-code management systems such as Bitbucket and Git.
  • Knowledge of authorization and authentication frameworks and protocols, including OAuth 2, SAML, and JWT.
  • Experience troubleshooting technical issues, supporting mitigation efforts, and conducting root-cause analysis.
  • Practical experience with Continuous Integration and Continuous Delivery (CI/CD).
  • Understanding of Agile software development principles and experience working within a Scrum-based delivery team.
  • Strong problem-solving, communication, time-management, and collaboration skills, with the ability to take ownership, respond constructively to feedback, and support team objectives.

Preferred Skills

  • Experience with React Native and mobile application development.
  • Exposure to cloud service providers such as Microsoft Azure, AWS, or Google Cloud Platform (GCP).
  • Hands-on experience deploying application workloads on Kubernetes and working with containers such as Docker.

Benefits

  • Opportunity to work on innovative products in the smart building, cloud, and AI technology space.
  • Collaboration with a geographically diverse, international team.
  • Exposure to modern web technologies, software architecture, and cloud-native development practices.
  • Opportunities to contribute to technical direction, engineering improvements, and product development.
  • A flexible work environment focused on collaboration, learning, professional growth, and high performance.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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