Market Data Analyst in London

Market Data Analyst, London

We are hiring a Market Data Analyst to join our 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.

You will work closely with Product, Data and Development teams to deliver proof of concepts that guide project roadmaps and enrich our product offering for clients such as investment banks, brokers, wealth/account managers and exchanges.

Key Responsibilities

• Develop global market data and referential data coverage: onboard new market venues across fixed income, derivatives, equities/ETFs, FX and crypto; maintain and enrich a reference database covering global cross‑asset market metadata, instrument listings and company fundamentals.
• Improve and evolve data quality assurance procedures to deliver high‑quality, robust information to downstream applications.
• Collaborate with the Application Support team to resolve data delivery and processing issues.
• Feed management: liaise with vendor networks to identify mandatory feed changes and develop implementation plans for existing feeds.
• Research upcoming market microstructure changes and model how the business can benefit.
• Conduct analyses of data and construct accurate, insightful reporting.
• Maintain clear lines of communication with stakeholders on feed projects and product development.
• Support analytics across asset classes, including approaches to TCA and instrument‑level performance measurement.
• Respond to client requests for new market coverage.

What you bring to ISS STOXX

• Minimum three years of experience in data management and analysis.
• Degree in finance, mathematics or a related quantitative discipline.
• Proven experience with financial market data and/or referential data.
• Ability to work with, manipulate and analyze large datasets such as Level 2 and Level 3 order‑book data.
• Highly proficient with Microsoft Excel (macros, pivot tables, functions and charts).
• Experience with analytical tools such as Power BI, Tableau, Jupyter, and familiarity with REST APIs is desirable.
• Programming skills: intermediate SQL and Python; object‑oriented programming experience is a bonus.
• Excellent analytical skills and ability to understand technically complex problems.
• Strong communication and written skills with the ability to build professional relationships at all levels.
• Proven ability to work well under pressure and adapt to changing priorities and complex challenges.
• Knowledge of data‑modeling techniques (both supervised and unsupervised), and an understanding of AI and goodness‑of‑fit measures, highly desirable.
• What you can expect from us
• A culture that values diverse skills, perspectives and experiences.
• The opportunity to grow professionally and personally with comprehensive support and resources.
• An environment that fuels creativity, drives innovation and shapes future success.
• Equal Employment Opportunity Statement

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, colour, 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.

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