WebGIS Developer

Title: WebGIS Full Stack Developer (Contract/Freelance) Employment type: Contract / Freelance Work style: Hybrid – on-site approximately once per week (or one day twice per month - dependent on location), Main Office based in Ispra

Overview We are looking for an experienced WebGIS Full Stack Developer to support the design, development and maintenance of web-based GIS applications. The role involves working across the full stack with a focus on Drupal, cloud storage, and integrating large language models via the OpenAI API.

Responsibilities Design, develop and maintain WebGIS applications and services. Implement and customise Drupal-based solutions for web mapping and related content. Integrate and manage data storage using S3 buckets. Develop and integrate LLM-based features using the OpenAI API. Build, consume and maintain RESTful APIs and backend services. Ensure application performance, scalability and security across the stack. Troubleshoot and resolve issues across front-end, back-end and infrastructure components. Collaborate with stakeholders to translate functional requirements into technical solutions. Produce clear technical documentation and handover materials.

Required Experience & Skills Bachelor’s degree in Computer Science, Software Engineering, GIS or a related field. Minimum 10 years of professional software development experience. Strong experience with WebGIS or web-based mapping applications. Solid hands-on experience with Drupal (configuration, custom modules, theming). Experience managing and integrating S3 bucket storage (e.g. for assets, data, backups). Proven experience integrating LLMs and/or AI features using the OpenAI API or similar. Full stack development experience, including front-end and back-end technologies. Strong knowledge of REST APIs and JSON-based integrations. Experience working with cloud-based environments.

If you meet the above requirements and are available for contract work, please apply with your CV, availability and a brief summary of your relevant WebGIS and Drupal experience.