SIX drives the transformation of financial markets.
What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.
Warsaw | 80-100% | Reference 7666
Are you ready to work at SIX and join the world of Finance and IT? Do you enjoy breaking down problems, working with data, and learning how technology supports business outcomes? Apply as a Business Analyst to join our international, fun and dynamic team, where you will support analysis activities and grow your skills with guidance from experienced colleagues.
• support analysis activities for data initiatives (market data), assisting with requirements gathering and helping translate business needs into clear, structured documentation
• help maintain data mappings and transformation rules (normalization, enrichment, identifiers) under guidance, and contribute to keeping documentation accurate and up to date
• support the documentation of API and messaging-based integrations for real-time and batch delivery, learning key concepts and assisting with interface specifications
• contribute to acceptance criteria and support testing activities (e.g., test cases, data checks) for data pipelines and data products
• work with senior analysts and delivery teams as an interface to stakeholders, supporting backlog refinement, capturing actions, and helping clarify requirements in an agile, international environment
• Deep expertise in fixed income (bonds, structured products), bond calculations, and corporate action lifecycles for French products. 5+ years of business analysis experience in financial information
• Proven leadership in complex, cross‑team delivery and roadmap ownership—mentors BAs, drives continuous improvement, and stays hands‑on to produce clear, testable specifications.
• Strong data modeling and governance skills; familiarity with identifiers and classification schemes.
• Experience with entitlement policies, distribution controls, and testing methodologies (UAT, regression).
• Proficiencywith SQL and Excel; familiarity with APIs and cloud‑based delivery; comfortable in agile frameworks. Knowledge of GitLab is appreciated.
• Fluent English (B2/C1) & French (B2) are mandatory. Comfortable communicating in a global, cross functional environment.
If you have any questions, check out our FAQ page or call Anthony Mills at +44 207 550 5407
For this vacancy we only accept direct applications.
Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.
SIX has been connecting the financial markets to the real economy for over 90 years.
The Swiss company provides services in the securities, financial information as well as the payments business and caters to a broad international client base. Its stable and efficient infrastructure guarantees the competitiveness of the Swiss and Spanish financial center.
The workforce of 4,000 employees in 19 countries on 5 continents constantly provide innovations across the value chain to help financial institutions accelerate growth. The reliable and secure services enable them to focus on their core business, create value, and reduce cost.
Measured in terms of free float, SIX – with the Swiss and the Spanish stock exchange – constitutes the third-largest exchange group in Europe by market capitalization.
