Data Engineer

At the heart of London Stock Exchange Group’s digital transformation journey, Customer Lifecycle Engineering (CLE) is evolving into a product-led organisation and we’re looking for exceptional data engineering talent to help shape this future. CLE is not just a delivery function; we are becoming a strategic product engineering powerhouse, driving innovation across customer platforms, data services, and lifecycle automation. Our mission is to deliver customer-centric, scalable, and resilient solutions that power LSEG’s most critical services.

• Product-Led Culture: We’re moving away from project-based delivery to long-term product ownership, enabling deeper domain expertise and continuous improvement.
• Modern Engineering Practices: From CI/CD pipelines for data workflows to cloud-native data platforms and automated data orchestration, we’re embedding consistent, modern engineering standards across all squads.
• Autonomous Squads: You’ll work in self-organised, cross-functional teams with clear ownership, agile rituals, and the freedom to innovate.
• High Visibility & Impact: CLE’s programmes are highly visible to senior leadership, with direct alignment to strategic priorities. Your work will be seen, valued, and celebrated.
• Rewarding Environment: We foster a culture of growth, recognition, and purpose. Whether you’re building new capabilities or refining existing ones, your contributions will drive real business outcomes.

• In this role, you'll be joining our Customer Lifecycle Engineering team as a Data Engineer.

• 4+ years of hands-on experience in data engineering roles.
• Strong proficiency in Python and SQL for data manipulation, transformation, and pipeline development.
• Experience designing and building scalable ETL/ELT pipelines.
• Familiarity with data modeling, data warehousing, and performance optimization.
• Experience working with structured and semi-structured data formats (e.g., JSON, Parquet, Avro).
• Understanding of data governance, data quality, and security best practices.
• Experience with API integrations.

• Experience with PySpark for distributed data processing.
• Exposure to AWS cloud services such as S3, Glue, Lambda, EMR, DynamoDB.
• Familiarity with Snowflake or other cloud data warehouses.
• Experience with CI/CD pipelines and infrastructure-as-code tools (e.g., Terraform, CloudFormation).
• Understanding of data lake and lakehouse architectures.
• Ability to work independently and collaboratively in a team environment.
• Effective communication skills in English, both written and verbal.
• Highly motivated, self-directed individual with a proactive attitude.
• Customer and service-focused, with a commitment to delivering high-quality solutions.

• Experience with orchestration tools like Airflow, Dagster, or Prefect.
• Experience with real-time data streaming technologies such as Kafka or Kinesis.
• Experience with Matillion for data transformation and pipeline orchestration.
• Experience with Salesforce for data integration and customer data management.
• Experience with snowflake for Data Modeling.

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.