Company Overview CRFS, a global leader in Radio Frequency (RF) technology, was founded in 2007 to innovate in spectrum monitoring and geolocation. The company focuses on manufacturing and designing advanced hardware and software solutions to detect, monitor, and analyze RF signals in complex environments. This expertise has proved crucial to various sectors, including national spectrum regulators, the military, and security and intelligence services. Today, the company’s technology is recognised, preferred and embedded in most NATO countries and deployed worldwide. CRFS’ mission is to continue pioneering sophisticated technologies for complex challenges in the RF spectrum domain. Job Summary Design and development of full stack web applications and APIs using modern technologies such as React, Next.js, Node.js, and PostgreSQL. These applications provide dynamic user interfaces, server-side rendering for performance, backend services, and robust data storage. Duties and Responsibilities Responsible for the creation and development of software, including but not limited to: All aspects of the full software development life cycle, including requirements analysis, design, development, testing, documentation and training. Deliver robust, clean, high quality full stack applications. Creation of functional designs and specifications. Rigorous approach to testing, including writing unit and integration tests. Support the creation of user documentation by technical authors. Review code written by other programmers and provide constructive feedback to ensure it aligns with the required quality standards.Experience and Qualifications Required Experience in full stack development. Experience in frontend development with React and Next.js. Experience in backend development with Node.js. Experience in database design with PostgreSQL. Strong architectural skills and understanding of RESTful API design. Good analytical and problem-solving ability. Attention to detail and a passion for producing high quality software with clean code. Capable of working both in a team and independently. Excellent communication skills.Desirable A science or engineering degree in Computer Science or Electronics. Experience with writing algorithms and performance optimization. Experience with CI/CD pipelines and DevOps practices. Experience with cloud platforms (e.g., AWS, Azure). Experience with Linux shell scripting