**Job Reference** ----------------- 439\_25\_CASE\_DPP\_RE3 **Position** ------------ Fullstack Developer (RE3\) **Closing Date** ---------------- Tuesday, 16 December, 2025 **Reference:** 439\_25\_CASE\_DPP\_RE3 **Job title:** Fullstack Developer (RE3\) **About BSC** The Barcelona Supercomputing Center \- Centro Nacional de Supercomputación (BSC\-CNS) is the leading supercomputing center in Spain. It houses MareNostrum, one of the most powerful supercomputers in Europe, was a founding and hosting member of the former European HPC infrastructure PRACE (Partnership for Advanced Computing in Europe), and is now hosting entity for EuroHPC JU, the Joint Undertaking that leads large\-scale investments and HPC provision in Europe. The mission of BSC is to research, develop and manage information technologies in order to facilitate scientific progress. BSC combines HPC service provision and R\&D into both computer and computational science (life, earth and engineering sciences) under one roof, and currently has over 1000 staff from 60 countries. Look at the BSC experience: BSC\-CNS YouTube Channel Let's stay connected with BSC Folks! We are particularly interested for this role in the strengths and lived experiences of women and underrepresented groups to help us avoid perpetuating biases and oversights in science and IT research. In instances of equal merit, the incorporation of the under\-represented sex will be favoured. We promote Equity, Diversity and Inclusion, fostering an environment where each and every one of us is appreciated for who we are, regardless of our differences. If you consider that you do not meet all the requirements, we encourage you to continue applying for the job offer. We value diversity of experiences and skills, and you could bring unique perspectives to our team. **Context And Mission** The Computational Applications in Science and Engineering department (CASE) works with industry and academia to develop software and applications that leverage the power of High\-Performance Computing to solve real problems. In particular, a large line of research is the creation of efficient interfaces for these applications. The challenge is a composition of difficulties like large data volumes, complex data\-based interaction and representation, and scientific correctness. Inside the CASE department works the Data Analytics and Visualization group, whose role is to develop and apply advanced statistical and determinist models to extract valuable information from large data sets and convert them into visual and practical tools and representations. The role of this position will be to design and implement the architectural design of the applications, interacting and coordinating with both backend and frontend programmers, with more weight on each side depending on the project. This person will collaborate on several different projects and will manage a small team, coordinating with the design team to implement the applications according to the user and project requirements, as well as collaborate in writing funding proposals to grow and stabilise the developers team. **Key Duties** * Design and implement web\-based application architectures. * Coordinate developers among project stages. * Write periodic status and achievement reports for the projects. * Learn and transfer knowledge and technology to other projects in the group. * The candidate will work closely with the interface design team and the rest of the analytics and visualization group. * Seek and participate actively in European projects. **Requirements** * Education + Degree in Informatics, Computer Science, or Engineering. + We will value equivalent hands\-on experience in backend development and system administration. * Essential Knowledge and Professional Experience + Server\-side programming languages: Python, Java, or Go. Strong experience in Node.js and React are preferred + Mapping technologies on web applications (Leaflet, Mapbox, CartoDB, etc.) + Strong experience with D3\.js and/or WebGL + Strong experience in Javascript and interactive web application development + Strong experience in data visualization technologies inside interactive frameworks (e.g. React) + Experience in virtual and augmented reality applications * Additional Knowledge and Professional Experience + Experience with relational and non\-relational databases (e.g. SQL, PostGIS, MongoDB, Cassandra) + We will value experience with applied Big data and distributed computing projects and experience setting up data\-processing projects in production + Fluency in spoken and written English and Spanish. * Competences + Strong initiative to work on a challenging multidisciplinary innovation project involving talking to people in many fields. + Good communication skills, especially in producing internal documentation (manuals, white papers). **Conditions** * The position will be located at BSC within the CASE Department * We offer a full\-time contract (37\.5h/week), a good working environment, a highly stimulating environment with state\-of\-the\-art infrastructure, flexible working hours, extensive training plan, restaurant tickets, private health insurance, support to the relocation procedures * Duration: Open\-ended contract due to technical and scientific activities linked to the project and budget duration * Holidays: 22 days of holidays \+ 6 personal days \+ 24th and 31st of December per our collective agreement * Salary: we offer a competitive salary commensurate with the qualifications and experience of the candidate and according to the cost of living in Barcelona * Starting date: asap **Applications procedure and process** All applications must be submitted via the BSC website and contain: * A full CV in English including contact details * A cover/motivation letter with a statement of interest in English, clearly specifying for which specific area and topics the applicant wishes to be considered. Additionally, two references for further contacts must be included. Applications without this document will not be considered. **Development of the recruitment process** The selection will be carried out through a competitive examination system ("Concurso\-Oposición"). The recruitment process consists of two phases: * **Curriculum Analysis:** Evaluation of previous experience and/or scientific history, degree, training, and other professional information relevant to the position. \- ***40 points*** * **Interview phase:** The highest\-rated candidates at the curriculum level will be invited to the interview phase, conducted by the corresponding department and Human Resources. In this phase, technical competencies, knowledge, skills, and professional experience related to the position, as well as the required personal competencies, will be evaluated. \- ***60 points.*** *A minimum of 30 points out of 60 must be obtained to be eligible for the position.* The recruitment panel will be composed of at least three people, ensuring at least 25% representation of women. In accordance with OTM\-R principles, a gender\-balanced recruitment panel is formed for each vacancy at the beginning of the process. After reviewing the content of the applications, the panel will begin the interviews, with at least one technical and one administrative interview. At a minimum, a personality questionnaire as well as a technical exercise will be conducted during the process. The panel will make a final decision, and all individuals who participated in the interview phase will receive feedback with details on the acceptance or rejection of their profile. At BSC, we seek continuous improvement in our recruitment processes. For any suggestions or comments/complaints about our recruitment processes, please contact recruitment \[at] bsc \[dot] es. For more information, please follow this link. **Deadline** The vacancy will remain open until a suitable candidate has been hired. Applications will be regularly reviewed and potential candidates will be contacted. **OTM\-R principles for selection processes** BSC\-CNS is committed to the principles of the Code of Conduct for the Recruitment of Researchers of the European Commission and the Open, Transparent and Merit\-based Recruitment principles (OTM\-R). This is applied for any potential candidate in all our processes, for example by creating gender\-balanced recruitment panels and recognizing career breaks etc. BSC\-CNS is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or any other basis protected by applicable state or local law. For more information follow this link