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Sustainable Investment Data Scientist

London Stock Exchange Group
City of London
5 days ago
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We are seeking a detail-oriented and technically proficient Data Scientist with 2+ years of experience working with large-scale financial datasets. The ideal candidate is skilled in Python, SQL, and statistical analysis, with a strong foundation in financial data quality assurance, anomaly detection, and exploratory data analysis. Experience in a data environment is helpful. Familiarity with Sustainable Investment, ESG data, or Index methodologies is a plus, but not essential.

Key Responsibilities

Apply statistical techniques and Python-based workflows to supervise and validate large-scale datasets.

Conduct exploratory data analysis on new Sustainable Investment datasets to detect anomalies and assess operational risks.

Review vendor data methodologies and compare them with internal analytical findings.

Define outlier logic and quality control thresholds for new sustainable data pipelines.

Prototype and operationalize new data quality checks.

Extract insights from unstructured data (e.g., text) using NLP and LLM tools.

Perform ad hoc analysis to support client queries, methodology discussions, and process improvements.

Collaborate with cross-functional teams to enhance data pipelines and operational efficiency.

Required Skills

Programming: Python, SQL, experience with NLP and LLM tools.

Data Analysis: statistical modelling, anomaly detection, trend analysis, EDA, data profiling, validation frameworks.

Big Data Tools: AWS suite, including S3 and Athena.

Visualization: Power BI, Matplotlib, Seaborn.

Domain Knowledge: ESG/Sustainable Investment and Index data (preferred but not essential).

Strong communication skills and collaborator engagement.

Proactive, solution-oriented mindset with strong problem-solving abilities.

What This Role Offers

Opportunity to apply advanced data science techniques to complex Sustainable Investment datasets.

Exposure to cross-functional collaboration with Research, Product, and Engineering teams.

Career growth in a domain that blends Sustainable Finance, Index Strategies, and advanced analytics.

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.

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.


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