Senior Business Analyst (E-commerce & Retail Domain) – Onsite

We are seeking a highly experienced Senior Business Analyst with 10+ years of experience in E-commerce and Retail domain transformations. This onsite contract role requires strong expertise in Shopify+ backend integrations, business process transformation, and cross-functional stakeholder engagement. The successful candidate will work closely with business and technology teams to support a major eCommerce platform transformation initiative, ensuring business requirements, integration, and operational workflows are clearly defined and successfully delivered. Engagement Details - Work Model: Onsite (London) - Contract Type: Outside IR35 - Tuesday to Thursday Work from client location (nearby Highbury & Islington Station) - Monday & Friday remote/work from home - Domain: E-commerce & Retail - Opportunity to work on a large-scale digital commerce transformation initiative Required Skills & Experience - 10+ years of Business Analysis experience within E-commerce and Retail domains. - Mandatory experience with Shopify+ backend integrations. - Strong knowledge of retail transformation and business process change management. - Proven ability to work across multiple business functions in complex enterprise environments. - Excellent communication, stakeholder management, and documentation skills. - Strong analytical, problem-solving, and facilitation capabilities. - Ability to operate effectively in fast-paced transformation programs. Shopify+ & Backend Integration Experience - Strong experience working with Shopify+ backend integrations is mandatory. - Experience integrating Shopify with PIM tools, pricing systems, tax engines, ERP platforms, and related retail systems. - Define and document integration requirements, data mapping, workflows, and validation logic. - Collaborate with technical teams to ensure seamless integration delivery and testing. - Support troubleshooting and validation of integration-related issues. Retail & Business Domain Expertise - Strong understanding of retail and eCommerce operational workflows. - Experience working closely with Finance, Customer Services, Warehouse Management, Website Merchandising, and Customer Loyalty teams. - Understanding of Order-to-Cash, fulfilment, pricing, inventory, returns, promotions, and customer lifecycle processes. - Experience supporting the establishment of EU Legal Entities and associated operational/business process impacts is highly desirable. Stakeholder Management & Collaboration - Act as a key liaison between business users, delivery teams, and external vendors. - Facilitate workshops, stakeholder meetings, and solution walkthroughs. - Ensure business alignment and obtain formal sign-off on requirements and process changes. - Support User Acceptance Testing (UAT), defect triage, and go-live readiness activities. Key Responsibilities – Business Analysis & Transformation - Lead requirements gathering workshops with business and technology stakeholders. - Analyse and document current-state and future-state business processes during eCommerce platform transformation. - Develop Business Requirement Documents (BRDs), Functional Specifications, user stories, acceptance criteria, and process maps. - Ensure traceability of requirements through design, development, testing, and deployment phases. - Support business process redesign aligned with operational and commercial objectives. - Work closely with project managers, architects, developers, QA teams, and third- party vendors. Preferred Qualifications - Experience working in global retail transformation programs. - Familiarity with Agile/Scrum methodologies. - Exposure to ERP, OMS, CRM, and supply chain systems.