Principal Technical Business Analyst in London

About LSEG

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. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open‑access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

The Team

The Development Business Analyst Team has responsibility for specifying, managing and delivering all data feed related requirements for LSEG real‑time systems and businesses. These requirements result from stock exchanges or regulatory changes such as the MiFID II directive to business‑defined discretionary projects, and encompass various aspects like data, technology and service. Depending on the nature of the project, Business Analysts undertake a combination of project management, technical implementation and testing analyst tasks.

Role Overview

This role will primarily focus on supporting the Full Tick Replatform initiative – a strategic project aimed at enhancing the resilience and performance of our low‑latency, real‑time data platform.

Responsibilities

• Support the full lifecycle of the Full Tick Replatform initiative, from requirement gathering to delivery.
• Collaborate with architecture teams and business partners to understand the impact of the project on our group, and clarify expectations and deliverables.
• Evaluate current processes and tools to ensure alignment with the initiative, seeking opportunities for improvement.
• Support the testing and rollout of new tools introduced as part of the replatforming effort.
• Provide guidance and direction to team members to ensure consistent understanding, alignment and execution throughout the process.
• Monitor exchange notifications and enhancement requests, escalating actionable changes and initiating response plans.
• Coordinate with exchanges, project managers, sponsors, clients and developers to manage new work demand and build effective relationships across stakeholders.
• Participate in status meetings, support scope and testing efforts, and provide guidance even when not the lead BA for the venue.
• Create high‑quality business and technical documentation, including test cases and results.
• Support production teams with issue analysis and resolution, ensuring continuity even in the absence of the primary BA.
• Mentor and support onboarding of new team members and contribute to cross‑team initiatives and knowledge sharing.

Qualifications

• Proven track record in delivering software projects within a financial market‑data related environment.
• Ability to acclimate quickly to unfamiliar environments, be resourceful and take initiative.
• Consistent record in writing technical documentation and testing for financial data software improvements and large‑scale implementation projects.
• Experience in projects run in both agile and waterfall methodologies.
• Experience with management tools like JIRA and proficiency in Microsoft Excel as well as the full Microsoft Office Suite.
• Fair knowledge and understanding of technology concepts.
• In‑depth knowledge of stock exchange data feeds (preferred).
• Hands‑on experience in infrastructure implementation projects (preferred).
• Ability to collaborate effectively with global teams across time zones and cultures (preferred).

Benefits

• Causal and diverse office environment with colleagues from over 30 countries.
• Competitive salary.
• Flexibility and home‑office opportunities.
• Two additional days off for voluntary jobs.
• Access to Refinitiv products with real‑time economic data.
• Well‑being scheme including private healthcare, pension and Multisport card.
• High standards of ethics in the workplace.

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.

Notes

The role offers a senior associate level opportunity within the London Stock Exchange Group, which is a leading global financial markets infrastructure and data provider.