Index Intern

Contract Type: 12-month internship, with potential to extend

Location: Canary Wharf (4 days in office 1 hybrid)

Are you a recent graduate with advanced Python and Excel skills looking to kickstart your career in Finance?

Our client operates the regulated markets of cities across Europe and are searching for a Python expert to join them as an Index Intern to support our team of index structuring and business development experts. We are looking for a graduate who has operational knowledge of Python (ideally through a past internship/work placement) to support the team on index management while also having strong communication skills to operate daily with the sales team.

This is a 12-month internship paying £27K. This role is primarily office-based (Canary Wharf) with one hybrid day.

About the Company:

The business is the leading European capital market infrastructure, offering trusted and sustainable markets to drive innovation and growth. It operates regulated exchanges in Belgium, France, Ireland, Italy, the Netherlands, Norway, and Portugal, covering regulated equity and derivatives markets, a leading electronic fixed income trading platform, and the largest centre for debt and funds listings globally.

The business is an Electronic Communication Network for foreign exchange trading. It strives to offer its customers access to large pools of diversified liquidity at unparalleled speed with complete transparency in the optimal location. Its award-winning technology gives them an important speed advantage and has the capability of handling thousands of clients simultaneously. Clients include retail brokers, institutions, banks, hedge funds, and proprietary trading firms.

You will be primarily responsible for:

• Supporting sales efforts through market research to identify growth opportunities across all trading products, while also providing client consultancy by responding to inquiries on index rules, compositions, methodologies, and data providers.
• Designing indices, including data analysis, modelling, back-testing, rule creation, and supporting the development of marketing materials and operational handovers.
• Automating processes to ensure consistency in internal databases and performing data quality checks.
• Handling operational tasks such as requesting ISIN codes, making announcements to data vendors, and liaising with data providers (e.g., Bloomberg, Reuters).
• Enhancing the index library with new tools (new calculation formula, risk models, performance attributions)
• Develop scripts to simulate investment strategies and automate reporting
• Ensuring consistency of internal databases, data quality checks for indices design
• Doing market research to identify areas of growth
• Assist in the definition of new index methodologies adapted to the demands of end investors

About You:

• Degree, ideally in Mathematics, Engineering or Computer Science with a solid foundation in finance and strong business knowledge
• Advanced skills in Python and Excel are required
• Experience with indexation, portfolio construction, financial products development or trading is a plus
• Experience in sales and relationship management is a plus
• Knowledge of database organisations, data flows and SQL queries
• Working knowledge of market data sources (Bloomberg, Reuters, FactSet)
• Proactive, hands-on mindset with a strong sense of initiative and ownership
• Customer-oriented with a commercial mindset
• Strong team spirit with a commitment to delivering high‑quality results

Working with us means:

• An agile, innovative and dynamic company where you can make an impact
• A professional experience designed for young graduates with exciting potential for international mobility and development opportunities
• A vibrant international and diverse team where you'll collaborate with a network of 2,200+ talents across Europe, USA and Asia.

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