Market Data Analyst

Salary: £48,000 - 80,000 per year

Requirements:

• We are looking for a highly motivated candidate who can work effectively both in a team and independently.
• You have at least 3 years of experience.
• You are educated to degree level in Finance, Mathematics, or a similar quantitative discipline.
• You have proven experience working with financial market data and/or referential data, with an interest in developing a career in Finance.
• You can work with, manipulate, and analyse large datasets, including Level 2 and Level 3 order book data.
• You are highly proficient in Microsoft Excel, including macros, pivot tables, functions, and charts.
• Experience with analytical tools such as PowerBI, Tableau, Jupyter, and Rest APIs is desirable.
• You have scripting experience with SQL at an intermediate level or above and Python.
• Experience in object-oriented programming is a bonus.
• You have excellent analytical skills and can understand technically complex problems.
• You have strong communication and writing skills, and can build professional relationships at all levels.
• You can work well under pressure and adapt to changing priorities and complex challenges.
• Understanding of data modelling techniques, including supervised and unsupervised methods, goodness-of-fit measures, and AI, is highly desirable.

Responsibilities:

• We evaluate and onboard cross-asset class data feeds for our Venue Analytics, Transaction Cost Analysis, and Trade Surveillance products.
• We work closely with Product Data and Development teams to deliver project Proofs of Concept that guide roadmaps and enhance our product offering.
• We develop global market data and referential data coverage.
• We onboard new market venues to our platform, including Fixed Income, Derivatives, Equities/ETFs, FX, and Crypto.
• We maintain and enrich our reference database, covering global cross-asset market metadata, instrument listings, and company fundamentals.
• We help evolve data quality assurance procedures to ensure robust information for downstream applications.
• We work with our Application Support team to recover from data delivery and processing issues.
• We liaise with our vendor network to identify mandatory feed changes and plan implementation for existing feeds.
• We research upcoming market microstructure changes and help build models showing how the business can benefit.
• We analyse data and produce accurate, insightful reporting.
• We provide clear communication to stakeholders on feed projects and product development.
• We help develop deeper analytics across asset classes, including approaches to TCA and instrument-level performance measurements.
• We respond to client requests for new market coverage.

Technologies:

• AI
• Excel
• Support
• Jupyter
• Network
• Python
• REST
• SQL
• Tableau

More:

We are ISS STOXX LiquidMetrix, part of ISS STOXX GmbH, a leading provider of research and technology solutions for the financial market. We offer benchmark and custom indices globally, as well as services across corporate governance, sustainability, cyber risk, and fund intelligence. Our LiquidMetrix business provides Transaction Cost Analysis, execution quality, market abuse, and pre-trade analysis services across European venue trading. We are based in London, UK, and this is a full-time role. We are committed to attracting top talent, supporting professional and personal growth, and fostering a diverse and inclusive workplace where we empower, collaborate, and innovate together.

last updated 33 week of 2026