Senior Data Scientist

LSEG is seeking a motivated Senior Data Scientist to join our Analytics Center of Excellence in Paris on a 12-month fixed-term contract (CDD). In this role, you will lead the development of the first versions of private company analytics and sustainable finance, demonstrating our Python-based platform integrated with LLM on Azure. You will work with diverse datasets, including private market data, to build innovative models and analytics that support strategic insights and business growth.

If you have a passion for private markets, data science innovation, and enjoy working in a collaborative environment, this is a fantastic opportunity to make a significant impact.

Key Responsibilities:

- Design, develop, and deploy initial versions of analytics models focused on private companies and sustainable finance using Python and SQL.
- Prompt engineering
- Be an active part of a production-ready AI
- Identify and solve production issues
- Spread a dev craftmanship culture
- Collaborate with cross-functional teams to understand business needs and translate them into data-driven solutions.
- Extract, clean, and analyze private market data.
- Ensure data quality and integrity while aligning with regulatory and internal standards.
- Present analytical findings and insights clearly to technical and non-technical collaborators.
- Contribute to the continuous improvement of data science processes and platform capabilities.

Required Skills & Qualifications:

- Proven experience as a Data Scientist, preferably with 3+ years in finance or insurance sector.
- Strong proficiency in Python for data analysis, modeling, and automation.
- Experience with SQL for data querying and manipulation.
- Hands-on experience with cloud platforms, preferably Azure, and familiarity with ML/LLM tools.
- Strong Experience with machine learning in Python, SQL, Pandas, Numpy, Scikit Learn, Tensorflow, Keras, PyTorch or equivalent
- Excellent communication skills to convey complex concepts to diverse audiences.
- Fluency in English; French language skills are a strong plus.

Preferred Qualifications:

- Knowledge of financial markets, private equity, venture capital, or related sectors.
- Familiarity with machine learning frameworks and model deployment standard processes.
- MSc or PhD or equivalent experience in Data Science, Computer Science, Finance, Mathematics, or related field.

Contract Details:

- Fixed-term contract (CDD) for 12 months.
- Location: Paris, France (hybrid working model available).
- Competitive benefits aligned with LSEG’s employee programs.

Why Join LSEG?

LSEG is committed to encouraging a diverse, equitable, an inclusive work environment, ensuring equal opportunities for all employees, regardless of their background. We offer great employee benefits to make sure everyone performs to the best of their abilities. We offer a hybrid working model.

Career Stage:
Manager

London Stock Exchange Group (LSEG) Information:
Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid