Junior Front-End Developer CleanTech Start-up | Up to £45k | On-Site (Southampton) Join a fast-growing CleanTech start-up developing next-generation electric systems for the transport and mobility sector. You'll be working on cutting-edge hardware and intuitive digital interfaces that help reduce emissions and bring smarter controls to real-world environments. Following recent investment, the team is growing - and this is your chance to help shape the user experience of a ground-breaking green tech product from the ground up. What you'll be doing: Building and maintaining cross-platform apps (iOS, Android, Web) using Flutter and React Creating responsive, accessible, and visually polished user interfaces Connecting frontends to backend systems and embedded hardware via Wi-Fi and REST APIs Collaborating with designers, backend devs, and embedded engineers Testing your work in real-world conditions (yes, on actual boats) Writing clean, testable code and contributing to UI/UX discussions What they're looking for: 1-2 years' experience in mobile and/or web frontend development Solid foundation in HTML/CSS and a willingness to learn Flutter/Dart Bonus points for experience with React or hardware-connected applications Someone with strong attention to detail and a collaborative, curious mindset Why join? Be part of a purpose-driven team tackling real-world sustainability challenges Work hands-on with innovative hardware - not just mockups and prototypes Contribute to a product already being deployed in field environments Get in early with a growing company that's just secured funding Location: On-site in Southampton (5 days/week) Salary: Up to £45,000 Benefits: Field-testing opportunities, collaborative engineering environment, and a mission-led culture Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.