Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful React Developers at mid to senior levels who will be solution-oriented and highly visible within the team.Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week.Accountabilities:* Help drive direction and deliverables of the frontend development team* Hands on coding and design discussion* Work in cross-functional Agile teams* Work on both customer-facing web and mobile projects* Provide guidance and direction to junior team members* Develop cloud-based solutions* Responsible for the app on ios and androidKnowledge and Skills:* You will have a proven track record in mobile development which technologies like React Native, IOS and Android* Ideally experience of both React Native and React* Extensive expertise in multiple technologies, including HTML & CSS, Javascript, React.js, React Native, Typescript, Rest, GraphQL, Next.js, and GatsbyJS. * Experience working with third-party APIs, Git/Gitlab, CI/CD best practices, design systems, and test driven development* Proven ability to solve problems effectively* A creative mindset to come up with innovative solutions* Experience in consumer-facing digital applicationsRullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants