Location: Wallingford, UK (Remote considered)Hours: Full-time (part-time considered) Closing Date: 9 January 2026Shape the future of hydrology and climate resilience. Our client is offering an exciting opportunity for an ambitious, collaborative Environmental Data Scientist or Hydrologist to join our clients growing software development team in Wallingford. If you want to innovate, solve real-world water challenges, and influence national environmental tools, we''d love to hear from you. In this role you will play a key role in developing our hydrological methods, modelling tools, and national design-standard software. Working at the intersection of hydrology, data science, and software development, you''ll contribute to new methodologies, develop machine learning approaches, and support the scientific foundations of our products.You''ll help advance the science powering products such as:Qube - our clients online water resources modelling platform, incorporating the CERF rainfall-runoff model.FEH Flood Modelling Suite - ReFH2 and WINFAP5, the UK''s trusted flood estimation tools. Your role:Develop and manage hydrological methods for Qube.Contribute to ReFH2 and WINFAP5 development.Explore and implement machine learning enhancements to hydrological models.Support scientific research and integrate findings into commercial software.Work closely with regulators and users to ensure compliance, quality, and usability.Required Skills and ExperienceA good degree (2:1+) in a numerate