Salary: £30,000 - 60,000 per year Requirements: A proven track record delivering complex features across both backend and frontend. Strong professional experience with React including component architecture and state management. Solid backend engineering experience using a modern language and framework. Experience shaping system design and architectural decisions, not just implementing requirements. Comfort working in distributed, service-oriented, or event-driven systems. Strong understanding of data modeling, API design, and performance considerations. A mindset oriented towards ownership, product thinking, and improving engineering culture. Responsibilities: Partner with product teams from ideation through to delivery, shaping solution design and technical direction. Design and build substantial backend features that underpin complex, large scale field operations. Deliver high quality React based user experiences that are performant, intuitive, and reliable. Lead discussions around system design, data flow, and architectural trade-offs. Write clean, maintainable code supported by meaningful automated tests. Drive continuous improvement across code quality, patterns, and engineering practices. Mentor other engineers and help raise technical standards across the team. Technologies: API Backend Flow Frontend React AWS Cloud Java JavaScript Python TypeScript Fullstack More: At OCHO, we build teams for organisations where engineering quality is taken seriously. This role sits within a high performing product group building large scale operational software used daily by thousands of field based users. The engineering challenges here are real, focusing on scale, reliability, data flow, and user experience. We value autonomy and look for senior engineers who can bring technical maturity from early product thinking through to delivery. You will work in an environment that values initiative, technical leadership, and thoughtful engineering, where your input will matter and your decisions will have visible impact. last updated 11 week of 2026