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 ReactCreating responsive, accessible, and visually polished user interfacesConnecting frontends to backend systems and embedded hardware via Wi-Fi and REST APIsCollaborating with designers, backend devs, and embedded engineersTesting 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 developmentSolid foundation in HTML/CSS and a willingness to learn Flutter/DartBonus points for experience with React or hardware-connected applicationsSomeone with strong attention to detail and a collaborative, curious mindset Why join?Be part of a purpose-driven team tackling real-world sustainability challengesWork hands-on with innovative hardware - not just mockups and prototypesContribute to a product already being deplo