Senior Functional Design Lead - AI-Enabled Products

London Stock Exchange Group; Nottingham; On-site; GBP 70,000 - 110,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a Manager-level professional to act as the senior functional authority for a product area, translating product strategy into high-level functional designs and FRDs. You will align with Product Managers, Engineers and Business Analysts to ensure end-to-end coherence and effective delivery.

Experience with AI-enabled product design is advantageous. The role emphasizes cross-team collaboration, architecture-aligned decision-making and governance across

Qualifications

• Essential Significant experience in business analysis, functional analysis, product analysis or a related field within complex software environments.
• Demonstrated experience defining high-level functional designs for complex or highly integrated products.
• Strong understanding of how software components and capabilities interact end to end.
• Ability to translate product strategy into clear functional direction.
• Experience making or facilitating decisions across multiple components and delivery teams.
• Strong analytical and problem-solving skills, particularly where requirements are incomplete, conflicting or ambiguous.
• Ability to influence senior stakeholders and challenge proposed solutions constructively.
• Experience working across Product, Engineering, Architecture and Business Analysis.
• Desirable Previous experience as a Lead, Senior or Principal Business Analyst.
• Experience with enterprise-scale, platform or highly integrated software products.
• Experience mentoring or leading analysts.
• Familiarity with Agile delivery and AI-enabled product development.

Responsibilities

• Define and own high-level functional designs, FRDs and component scope.
• Translate product goals into functional behaviours, boundaries, workflows and component interactions.
• Maintain a coherent end-to-end functional view across the product area.
• Identify dependencies, constraints, assumptions and integration points.
• Provide the design basis from which BAs and SBAs develop detailed specifications, stories and acceptance criteria.
• Partner with Product Managers and Product Directors to shape capabilities and solutions.
• Challenge proposals where they create functional gaps, unnecessary complexity or adverse downstream impacts.
• Determine how product outcomes should be realised functionally.
• Assess cross-product impacts and contribute functional insight to prioritisation and roadmap decisions.
• Act as the senior point of authority for functional questions.
• Lead and arbitrate cross-component functional decisions where requirements conflict, gaps emerge or delivery teams require clarification.

Job description

London Stock Exchange Group (LSEG) is seeking a Manager-level professional to act as the senior functional authority for a product area, translating product strategy into high-level functional designs and FRDs. You will align with Product Managers, Engineers and Business Analysts to ensure end-to-end coherence and effective delivery.

Experience with AI-enabled product design is advantageous. The role emphasizes cross-team collaboration, architecture-aligned decision-making and governance across