Junior Research Software Engineer for Sustainability Science - Full Stack

Job Description **.jobdescription td { padding:** 00px} .jobdescription \* { border: none !important; border\-width: 0 !important; font\-size: 0px!important; font\-family: custom97a1e93a03e14bab838e7 !important; color: black !important; } Junior Research Software Engineer for Sustainability Science \- Full Stack **Job requisition Id:** 16684 **Job type:** Academic staff **Contract hours min:** 38 **Contract hours max:** 38 **Location:** Leiden **Applying is possible until:** 31 december 2026 **\#body.unify div.unify\-button\-container .unify\-apply\-now:** focus, \#body.unify div.unify\-button\-container .unify\-apply\-\#body.unify div.unify\-button\-container .unify\-apply\-now: focus, \#body.unify div.unify\-button\-container .unify\-apply\-Apply now Teaser Text The Institute of Environmental Science CML at Leiden University is looking for a motivated Junior Research Software Engineer (RSE) with experience in full\-stack development, data visualization, and modern software engineering practices to turn scientific insights into reliable and user\-friendly software. In this role, you will help design, build, and maintain the next generation of industrial ecology research tools that support sustainability, circular economy analysis and decision making, as well as reproducible science across the institute. You will work closely with researchers to help create dashboards, APIs, and visual analytics that communicate scientific results to academic users, policymakers, and the wider public. Your contributions will directly empower transparent, open, and reproducible research within for sustainability decision making. What you will do In your role, you will work closely with a Senior Research Software Engineers, Principal Investigators and PhDs to strengthen the scientific software engineering basis of our institute. Specifically, you will be responsible for tasks such as: Building and maintaining scientific softwar