Product Owner - API Buckinghamshire - 1 day pw onsite 3 month initial contract - Jan start £500-£550 a day - Outside IR35 We are seeking an experienced Product Owner with strong API expertise to lead the design, delivery, and adoption of new API services for our client. Key Responsibilities Own the API product and roadmap. Act as the primary stakeholder for internal APIs and third-party integrations. Translate API capabilities into user stories and prioritise the backlog. Collaborate with UX/UI designers to ensure APIs support seamless user flows. Drive agile ceremonies (sprint planning, backlog refinement, stand-ups) with offshore teams. Build strong relationships with customers, internal teams, and external vendors. Ensure product quality through collaboration with QA and adherence to standards. Identify and mitigate risks, while tracking adoption and performance metrics. Support customer readiness and engagement for API go-live. Required Skills and Experience Proven experience as a Product Owner with experience of designing and delivering API-focused Projects/Products. Strong proficiency in user story creation, backlog prioritisation, and agile methodologies (Scrum, Kanban). Excellent communication and stakeholder management skills. Technical aptitude with understanding of web and mobile technologies (React, Swift, Kotlin, Flutter). Ability to interpret and work with data models and payloads (JSON, XML) – coding not required, but comprehension essential. Experience working with offshore development teams. Strong grasp of data flow from source to user, ensuring APIs deliver reliable, scalable services. Financial services experience - desirable