Principal Platform Engineer

LSEG; City of Edinburgh; On-site; GBP 85,000 - 120,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Data Engineer to design, build and manage data infrastructure and analytics solutions that enable data-driven decision-making across the organization.

You will work on complex datasets, collaborate with cross-functional teams, and help unlock insights through ETL, data pipelines, and scalable storage in a cloud environment.

Qualifications

• 10+ years of meaningful experience in big data and analytics.
• Bachelor’s or master’s degree in computer science, engineering or related field.
• Strong programming skills in Python, Java or Scala.
• Hands-on experience with Databricks, SQL and data modelling.
• Proficiency with big data tools (Spark, Kafka, Presto) and cloud services (Azure, AWS, GCP).
• Familiarity with data visualization tools such as Power BI.
• Solid grasp of ETL workflows in databases/warehouses (Oracle, PostgreSQL, SQL Server).
• Excellent problem-solving and interpersonal skills.

Responsibilities

• Design, build, and optimize big data pipelines and architectures.
• Develop scalable storage solutions (data lakes/warehouses) and cloud-based systems.
• Collaborate with data scientists and stakeholders to translate requirements into solutions.
• Develop and maintain ETL processes for diverse data sources.
• Conduct advanced data analysis, modeling, and visualization to reveal insights.
• Ensure data quality, reliability, and security across systems.
• Work with distributed computing frameworks (Spark, Hive, Hadoop) to process data.
• Stay current with trends in big data, analytics and cloud platforms.

Skills

Big data

Analytics

Python

Java/Scala

Databricks

SQL

Data modelling

Spark

Kafka

Cloud platforms

Power BI

ETL

Interpersonal skills

Education

Bachelor's / Master's degree in CS or related

Tools

Databricks

SQL

Power BI

Job description

About Us:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years.Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

Our People:

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

We are seeking a highly skilled and innovative Senior Data Engineer to join our team. In this role, you will be responsible for designing, building, and managing our data infrastructure and analytics solutions to enable data-driven decision-making across the organization. You will work on complex datasets and collaborate with cross-functional teams to unlock insights and deliver actionable intelligence.

Key Responsibilities:

• Design, develop, and optimize big data pipelines, architectures, and data integration workflows.

• Build scalable and efficient data storage solutions, such as data lakes, warehouses, or cloud-based systems.

• Collaborate with data scientists, analysts, and stakeholders to understand data requirements and deliver solutions.

• Develop and maintain ETL processes for ingesting, transforming, and loading data from diverse sources.

• Conduct advanced data analysis, modelling, and visualization to identify patterns and insights.

• Ensure data quality, reliability, and security across systems.

• Work with distributed computing frameworks (e.g., Spark, Hive, Hadoop) to process and analyse large datasets.

• Stay up to date with the latest trends and technologies in big data, analytics, and cloud platforms.

Required Skills and Qualifications:

• 10+ years of meaningful experience in big data and analytics.

• Bachelor’s / master’s degree or equivalent experience in computer science engineering, or a related field.

• Strong programming skills in languages such as Python , Java, or Scala.

• Hands-on experience with Databricks , SQL , and data modelling.

• Proficiency with big data tools (e.g., Apache Spark , Apache Kafka , Presto, etc.) and cloud services (e.g., Azure , AWS, GCP).

• Familiarity with data visualization tools and business intelligence (e.g., Power BI ).

• Solid grasp of ETL workflows within databases / warehouses such as Oracle , PostgreSQL, SQL Server etc.

• Excellent problem-solving and interpersonal skills.

Preferred Qualifications:

• Experience with machine learning frameworks and tools such as Azure ML Studio, AWS Sagemaker etc.

• Knowledge of real-time data processing and stream analytics such as Apache Kafka, Azure Event Hubs or similar.

• Hands on experience with real-time analytical databases such as Clickhouse or Apache Druid/Pinot or similar.

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.

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.