Full Stack Engineer

Full Stack Developer (Python | React | Node.js) Location: Brussels, Belgium (Hybrid – 2 days onsite) Profile: Medior Start Date: 17 August 2026 End Date: 31 December 2027 Languages Fluent English (mandatory)French or Dutch (professional working proficiency) About the Opportunity Join an exciting digital transformation project within a leading organization. You will become part of a collaborative Agile team responsible for modernizing an internal communication platform through migration to a next-generation Content Management System while supporting the ongoing evolution of the platform. Working alongside architects, DevOps engineers, and security specialists, you will contribute to building secure, scalable, and high-performing web applications that support critical business operations. Your Responsibilities Develop and maintain full-stack web applications.Support the migration of an existing platform to a modern CMS platform.Build backend services using Python (FastAPI) and Node.js (NestJS).Develop modern frontend applications using React and Next.js.Participate in code reviews and promote secure coding best practices.Improve application performance through caching, database optimization, and CDN/WAF enhancements.Enhance monitoring, logging, and observability using cloud-native monitoring solutions.Contribute to CI/CD pipelines and DevOps practices.Support incident, change, and release management processes.Produce high-quality technical documentation following governance and security standards. Required Skills Professional experience with Python and FastAPIStrong experience with ReactExperience with Next.jsExperience developing backend services with Node.jsKnowledge of NestJS is an advantageExperience with Headless CMS development using Node.jsTypeScript experience is beneficialCloud deployment experience (Azure or similar)CI/CD and DevOps pipeline experienceStrong understanding of secure software development practicesExcellent communication and collaboration skills Nice to Have Experience with SitecoreKnowledge of Azure monitoring solutions (Application Insights, Azure Monitor)Experience working in enterprise digital workplace or CMS migration projects Education Bachelor's or Master's degree in Computer Science, Information Technology, Software Engineering, or equivalent professional experience. 📩 Interested? If you're an experienced Full Stack Developer with expertise in Python, FastAPI, React, Node.js, and modern cloud technologies, and you're looking to contribute to an exciting digital transformation project, we'd love to hear from you. Apply now or send your CV to hr@onetechsolutions.be.