We are seeking a **Software Developer** to join our technology team and contribute to the design and implementation of new digital solutions for engineering and simulation workflows. The role requires a solid foundation in modern software development and an interest in working with technically complex systems. The ideal candidate will have a structured approach to problem\-solving and attention to detail and a desire to grow within a fast\-moving engineering and technology environment. All applicants must be eligible to work in Spain. **Responsibilities / What you will do** * Design, develop, and maintain web\-based software applications used for engineering and simulation projects. * Build efficient and secure backend systems, APIs, and data pipelines. * Develop responsive and intuitive front\-end interfaces using modern frameworks. * Collaborate with engineers, data scientists, and product leads to translate technical requirements into scalable software features. * Contribute to architectural decisions and ensure maintainable, high\-quality code. * Participate in testing, debugging, and continuous improvement processes. **Experience / Who you are** * Degree in Computer Science, Engineering, Applied Mathematics or related field (MSc or PhD). * Strong experience with Python and JavaScript/TypeScript. * Proficiency in at least one modern backend framework (e.g. FastAPI, Node.js, Django, or Express). * Solid understanding of frontend development using frameworks such as React, Next.js, or Vue.js. * Experience working with databases (SQL or NoSQL) and designing efficient data models. * Familiarity with RESTful APIs, authentication systems, and cloud deployment environments. * Practical experience with Git, Docker, and CI/CD pipelines. * Experience integrating or automating engineering or simulation tools. * Understanding of data processing, optimisation algorithms, or scientific computing frameworks. * Exposure to DevOps, container orchestration, or infrastructure\-as\-code. * Interest in UX/UI design and user\-centric development. * Strong problem\-solving skills, creativity, and attention to detail. * Able to work independently and collaboratively in a multidisciplinary R\&D environment. **What we offer** * Competitive salary and benefits package based on experience. * Long\-term role with opportunities for technical and professional development. * Involvement in exciting, high\-performance programmes across multiple industries. * Access to state\-of\-the\-art tools and engineering facilities. * Supportive and dynamic team culture, with strong emphasis on innovation and continuous improvement. * Access to a range of benefits that support your well\-being, including private medical insurance.