Senior Business Analyst (API, YAML) - Software Solution - Remote (UK or Europe)Day rate: £200 - £300 (inside IR35 for UK)Duration: 9 - 12 months Start: ASAPMy client is looking for a Senior Business Analyst to join our team and drive the successful delivery of API services and supporting documentation for an upcoming product launch. This role sits at the intersection of business analysis, Agile delivery, and technical documentation. The ideal candidate will combine deep business analytics experience with the ability to translate complex technical concepts into clear specifications, user guides, and release documentation.Key ResponsibilitiesCollaborate with product owners, engineers, and stakeholders to define and refine business requirements for API services supporting the product launch.Develop and maintain business cases to support decision-making and project prioritization.Act as a liaison between technical and non-technical stakeholders, ensuring alignment and clarity in project goals.Produce clear, accurate, and comprehensive documentation, including:API specificationsRelease notesEnd-user help guidesTechnical documentation (using Markdown and YAML)Apply Agile delivery practices, leveraging tools such as JIRA and Confluence for backlog management, sprint planning, and knowledge sharing.Utilize business analytics and intelligence tools to provide insights and recommendations that shape API functionality and project direction.Ensure all deliverables meet quality standards ..... full job details .....