Full Stack Engineer

**Full\-Time Employment in Brazil** Synmatch AI is supporting one of its customers in the mobility technology sector in hiring a **Full Stack Engineer** for their Planning R\&D team. This team develops intelligent products that power smarter, cleaner, and more efficient transportation systems across thousands of cities worldwide. If you are passionate about modern web development and want to build technology that shapes the future of urban mobility, this opportunity is for you. ***What you will do*** **Develop, deploy, and maintain full\-stack applications** using React and TypeScript on the frontend, and Node.js with TypeScript on the backend deployed on Kubernetes. **Design and implement new features end\-to\-end** , ensuring high performance, scalability, and seamless user experiences. **Participate actively in the full development lifecycle** , contributing to architecture discussions, code reviews, and technical decision\-making. **Collaborate closely with Product Managers and Designers** to refine requirements and translate user needs into production\-ready solutions. **Troubleshoot, debug, and optimise** both frontend and backend components to maintain reliability and quality. ***What you need to bring*** You **must be based in Brazil** . 3\+ years of full\-stack web development experience. Strong expertise in **React** , **Node.js** , and modern web architecture. Experience with databases such as **MongoDB** , **PostgreSQL** , or **MySQL** . Degree in Computer Science or a related field. Strong analytical and problem\-solving skills. **Nice to have** Experience with **Python** , **AWS** , mobility tech, Agile methodologies, or CI/CD. Ready to build technology that moves cities forward? **Apply through Synmatch AI to be considered.**