Junior Data Scientist

Sorry, this job was removed at 10:27 a.m. (CST) on Thursday, Jan 29, 2026
Be an Early Applicant
Paris, Île-de-France
In-Office
Fintech • Analytics
The Role

LSEG is seeking a motivated Junior 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:

  • 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
  • Apply LLM and Azure cloud services to enhance analytical capabilities and model performance.
  • 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 customers.
  • Contribute to the continuous improvement of data science processes and platform capabilities.

Required Skills & Qualifications:

  • Strong Experience with machine learning in Python, SQL, Pandas, Numpy, Scikit Learn, Tensorflow, Keras, PyTorch or equivalent
  • 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.
  • 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 procedures.
  • Bachelor or DUT or MSc or PhD or equivalent experience in Data Science, Computer Science 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:

Associate

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 volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Similar Jobs

Datadog Logo Datadog

Senior Product Manager

Artificial Intelligence • Cloud • Security • Software • Cybersecurity
Easy Apply
Hybrid
Paris, Île-de-France, FRA
6500 Employees

Datadog Logo Datadog

Senior Partner Manager - Cloud Alliances South EMEA (France)

Artificial Intelligence • Cloud • Security • Software • Cybersecurity
Easy Apply
Hybrid
Paris, Île-de-France, FRA
6500 Employees

Carbon Robotics Logo Carbon Robotics

Customer Success Manager

Artificial Intelligence • Computer Vision • Hardware • Machine Learning • Robotics • Software • Agriculture
Easy Apply
Remote or Hybrid
Paris, Île-de-France, FRA
280 Employees

Qualtrics Logo Qualtrics

Marketing Manager

Artificial Intelligence • Information Technology • Natural Language Processing • Software • Business Intelligence • Generative AI
In-Office
Paris, Île-de-France, FRA
5000 Employees
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: London
15,967 Employees

What We Do

LSEG (London Stock Exchange Group) is a diversified international markets infrastructure business —earning our clients’ trust for over 300 years. That legacy of customer-focused excellence ensures that you can rely on our expertise in capital formation, intellectual property and risk and balance sheet management.

As global leaders in financial indexing, benchmarking and analytic services, we offer unrivalled access to international capital markets. Our high-performance technology solutions enable companies worldwide to access funds for growth and development. And with our Data & Analytics, Capital Markets and Post Trade divisions, we provide a comprehensive, integrated suite of trusted financial market infrastructure services that help our customers pursue—and achieve—their ambitions.

You can count on our open access model for unparalleled partnership, flexibility, stability, and support across all of our businesses. That’s how we make a difference— ensuring people can meet their potential—worldwide.

Similar Companies Hiring

Rain Thumbnail
Web3 • Payments • Infrastructure as a Service (IaaS) • Fintech • Financial Services • Cryptocurrency • Blockchain
New York, NY
80 Employees
Scotch Thumbnail
Software • Retail • Payments • Fintech • eCommerce • Artificial Intelligence • Analytics
US
25 Employees
Milestone Systems Thumbnail
Software • Security • Other • Big Data Analytics • Artificial Intelligence • Analytics
Lake Oswego, OR
1500 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account