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About the Role

The role serves as the senior functional authority for a product or product area, defining end-to-end capabilities and ensuring solutions are coherent, effective, and fit for purpose. It translates product strategy into high-level functional designs and guides delivery by bridging product intent and detailed execution.

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.
Convene appropriate collaborators as an ad hoc functional design authority where required.
Resolve ambiguity during development while maintaining alignment with the intended end-to-end design.
Escalate significant product, architectural or business decisions where appropriate.
Provide functional direction and clarification to BAs, SBAs and engineering teams throughout delivery.
Review detailed specifications to ensure alignment with the intended functional design.
Participate in design reviews, refinement oversight and delivery governance.
Identify inconsistencies across components, teams and requirements and drive resolution.
Balance immediate delivery needs with longer-term product coherence and maintainability.
Provide functional leadership and guidance to Business Analysts and Senior Business Analysts.
Mentor analysts and support development of functional analysis and design capability.
Promote consistent approaches to functional design and decision-making.
Provide day-to-day leadership to a small analyst team while remaining primarily focused on functional ownership.

Requirements

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.
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.

Skills

Functional Design
Product and Solution Shaping
Functional Authority
Delivery and End-to-End Coherence
Leadership
Business Analysis
Functional Analysis
Product Analysis
AI-enabled product design
AI-assisted delivery

Location

London

Work Type

Full-time

Experience Level

Manager

Benefits

Healthcare
Retirement planning
Paid volunteering days
Wellbeing initiatives

About the Company

LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business.
We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us.
With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs.
We have contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years.
We provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity through a comprehensive suite of trusted financial market infrastructure services and an open-access model.
LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific.
We employ 25,000 people globally, more than half located in Asia Pacific.
People are at the heart of what we do and drive the success of our business.
Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential.
We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives.
We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference.
Our workplace generates an enriching and rewarding experience for our people and customers alike.
Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.
We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise.
As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.
Join us and be part of a team that values innovation, quality, and continuous improvement.
If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.
LSEG is a leading global financial markets infrastructure and data provider.
Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built.
Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day.
They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries.
However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.
We are proud to be an equal opportunities employer.
We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives.
Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence.
Colleagues can get involved through fundraising and volunteering.

Equal Opportunity

We are proud to be an equal opportunities employer.
This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law.
Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.