Market Data Analyst

Let’s be #BrilliantTogether At ISS STOXX LiquidMetrix, our workforce is the driving force behind our success. We prioritize attracting and nurturing top talent within our industry, providing them with the tools, support, and opportunities necessary to flourish in their careers, while also prioritizing their health, financial stability, and personal growth. ISS STOXX LiquidMetrix are hiring for a Market Data Analyst to join the team in London. In this role, you will help evaluate and onboard cross-asset class data feeds for our Venue Analytics, Transaction Cost Analysis (TCA) and Trade Surveillance products. As a specialist in market data, you will work closely with expert Product Data and Development teams to deliver project Proof of Concepts (POCs) that help guide project roadmaps and enrich the Product offering for our clients – Investment banks, Brokers, Wealth / Asset Managers and Exchanges. This is a fantastic opportunity to work closely across multiple teams (including c-suite), develop expertise in multiple facets of market data and venue & execution analytics and work with cutting edge products in a fast-paced environment. Key Responsibilities Market Data Expansion Develop global market data and referential data coverage: Working with teams to onboard new market venues to the platform, including Fixed Income, Derivatives, Equities/ETFs, FX and Crypto Maintenance and enrichment of an extensive reference database, covering global cross-asset market metadata, instrument listings and company fundamentals Help evolve data QA procedures to deliver high-quality, robust information to downstream applications Work with the Application Support team to recover from data delivery and processing issues Feed Management Liaise with vendor network to help identify mandatory feed changes and the required implementation plan for existing feeds Research upcoming market microstructure changes and help produce models on how the business can benefit Undertake analyses of data and construct accurate and insightful reporting Provide clear lines of communication to stakeholders on feed projects and product development Analytics & Support Understand and help develop deeper analytics across asset classes, including differing approaches to TCA and instrument-level performance measurements Respond to client requests for new market coverage What you bring to ISS STOXX The ideal candidate will be highly motivated, with the ability to work effectively as part of a team or individually. Experienced in data management and analysis, they will be calm under pressure and have excellent prioritisation skills: Minimum 3 years’ experience Educated to degree level in Finance, Mathematics or similar Quantitative discipline Proven experience working with financial market data and/or referential data and an i nterest in further developing a career in Finance Ability to work with, manipulate and analyse large datasets (such as Level 2 and Level 3 orderbook data) Highly proficient with Microsoft Excel, including macros, pivot tables, functions & charts. Experience with analytical tools, such as PowerBI, Tableau, Jupyter etc, as well as Rest APIs is desirable. Scripting: SQL (intermediate as a minimum), Python. Experience in object-oriented programming a bonus Excellent analytical skills and an ability to understand technically complex problems Good communication and written skills, and the ability to build strong professional relationships at all levels, with both internal and external parties Proven ability to work well under pressure and adapt to changing priorities and complex challenges An understanding of data modelling techniques (both supervised and unsupervised), applying goodness-of-fit measures and AI highly desirable #ASSOCIATE #LI-SQ1 #LQM What You Can Expect from Us At ISS STOXX, our people are our driving force. We are committed to building a culture that values diverse skills, perspectives, and experiences. We hire the best talent in our industry and empower them with the resources, support, and opportunities to grow—professionally and personally. Together, we foster an environment that fuels creativity, drives innovation, and shapes our future success. Let’s empower, collaborate, and inspire. Let’s be #BrilliantTogether. About ISS STOXX ISS STOXX GmbH is a leading provider of research and technology solutions for the financial market. Established in 1985, we offer top-notch benchmark and custom indices globally, helping clients identify investment opportunities and manage portfolio risks. Our services cover corporate governance, sustainability, cyber risk, and fund intelligence. Majority-owned by Deutsche Börse Group, ISS STOXX has over 3,400 professionals in 33 locations worldwide, serving around 6,400 clients, including institutional investors and companies focused on ESG, cyber, and governance risk. Clients trust our expertise to make informed decisions for their stakeholders' benefit. Specifically, ISS LiquidMetrix provides a wide range of offerings, including Transaction Cost Analysis (TCA), execution quality, market abuse, and pre-trade analysis services across every public order and trade executed on European venues. Clients include sell sides, buy sides, exchanges, and regulators that require actionable analysis, reports, compliance tools, and global coverage. Visit our website: View additional open roles: Institutional Shareholder Services (“ISS”) is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. It is our policy to prohibit discrimination or harassment against any applicant or employee on the basis of race, color, ethnicity, creed, religion, sex, age, height, weight, citizenship status, national origin, social origin, sexual orientation, gender identity or gender expression, pregnancy status, marital status, familial status, mental or physical disability, veteran status, military service or status, genetic information, or any other characteristic protected by law (referred to as “protected status”). All activities including, but not limited to, recruiting and hiring, recruitment advertising, promotions, performance appraisals, training, job assignments, compensation, demotions, transfers, terminations (including layoffs), benefits, and other terms, conditions, and privileges of employment, are and will be administered on a non-discriminatory basis, consistent with all applicable federal, state, and local requirements.