Salary: £85,000 - 85,000 per year Requirements: We are looking for strong object-oriented JavaScript and React front end development skills. We want someone comfortable using AI tools such as Claude in their everyday workflow. We are looking for experience in a start-up or small business environment. We want someone with a strong understanding of computer science fundamentals, including OOP, data structures, and design patterns. We are looking for a collaborative candidate with excellent communication skills. We want someone comfortable taking part in technical discussions and decision-making. We require a degree in a STEM discipline. We are looking for someone who is motivated to work on Greenfield projects with ownership and impact. Responsibilities: We design and develop Greenfield, data-centric user interfaces. We work on systems that monitor Arctic ice flows and other data points for clients in government, defence, energy exploration, and conservation. We take ownership of front end projects from ideation through to production. We develop new features and applications end to end. We contribute to technical discussions and help shape decisions within the team. We collaborate closely as part of a small start-up team. We help deliver impactful products that support the companys growth. Technologies: AI Support JavaScript OOP React Java Frontend More: We are a tech start-up working on complex and interesting geoscience-related systems, and we offer the opportunity to make a real impact while progressing your career. You will be based in our beautiful Cotswolds office near Cirencester, with stunning views, onsite facilities, and free parking. This is not commutable by public transport. We offer a salary of up to £85k, equity, and an impactful role with strong career progression as we scale. last updated 21 week of 2026