Senior Data Engineer

We’re establishing a team of engineers passionate about data, software craftsmanship, and substantial impact. As a Software Data Engineer, you’ll help power the indices trusted by financial institutions worldwide. You’ll work in a modern AWS environment, build robust pipelines, and collaborate closely with product and business teams to deliver reliable, high-quality data solutions.

We care about code quality, ownership, and helping each other grow. If you’re excited about building systems that matter, we’d love to meet you!

We are building the next-generation data platform at FTSE Russell — and we want you to shape it with us. Your role will involve:

• Designing and developing scalable, testable data pipelines using Python and Apache Spark

• Orchestrating data workflows with AWS tools like Glue, EMR Serverless, Lambda, and S3

• Applying modern software engineering practices: version control, CI/CD, modular design, and automated testing

• Contributing to the development of a lakehouse architecture using Apache Iceberg

• Collaborating with business teams to translate requirements into data-driven solutions

• Building observability into data flows and implementing basic quality checks

• Participating in code reviews, pair programming, and architecture discussions

• Continuously learning about the financial indices domain and sharing insights with the team

Must-haves

We’re looking for someone who:

• Writes clean, maintainable Python code (ideally with type hints, linters, and tests like pytest)

• Understands data engineering basics: batch processing, schema evolution, and building ETL pipelines

• Has experience with or is eager to learn Apache Spark for large-scale data processing

• Is familiar with the AWS data stack (e.g. S3, Glue, Lambda, EMR)

• Enjoys learning the business context and working closely with stakeholders

• Works well in Agile teams and values collaboration over solo heroics

Nice-to-haves

It’s great (but not required) if you also bring:

• Experience with Apache Iceberg or similar table formats

• Familiarity with CI/CD tools like GitLab CI, Jenkins, or GitHub Actions

• Exposure to data quality frameworks like Great Expectations or Deequ

• Curiosity about financial markets, index data, or investment analytics

We believe in building systems that are not only functional but elegant. As part of our team:

• You’ll work on high-impact products used globally

• You’ll solve real-world problems at scale — no toy datasets here

• You’ll learn from engineers and domain experts across disciplines

• You’ll work in a flexible hybrid model, with autonomy and support

• You’ll grow fast — we invest in your development and career progression

We are proud to be an equal opportunity employer. We welcome candidates of all backgrounds and experiences. If you require accommodations during the hiring process, we’re here to ensure fairness and inclusion every step of the way.

If you’re passionate about writing great software, eager to learn data engineering, and excited to build systems that people trust — we want to hear from you!

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.

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