Principal Platform Engineer

lseg; City of Edinburgh; On-site; GBP 90,000 - 120,000; Full time

Job summary

London Stock Exchange Group (LSEG) is hiring a Senior Data Engineer to design, build and manage advanced data infrastructure and analytic solutions across our global platforms.

You will work with cross-functional teams to unlock insights from large datasets, develop scalable pipelines, and ensure data quality and security while leveraging cloud services and modern BI tools.

Qualifications

• 10+ years of professional experience in big data and analytics.
• Bachelor's or Master's degree in CS/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 (Power BI).
• Excellent problem-solving and interpersonal skills.

Responsibilities

• Design, build, and optimize large-scale data pipelines and architectures.
• Create scalable data storage solutions (data lakes/warehouses, cloud-based).
• Collaborate with data scientists and analysts to understand data needs and deliver solutions.
• Develop and maintain ETL processes for diverse data sources.
• Perform data analysis, modeling, and visualization to uncover insights.
• Ensure data quality, reliability, and security across systems.
• Work with distributed computing frameworks (Spark, Hive, Hadoop).
• Stay current with trends in big data, analytics and cloud platforms.

Skills

Python

Java

Scala

Databricks

SQL

Spark

Big data architecture

Data modeling

ETL pipelines

Cloud platforms (Azure/AWS/GCP)

Power BI

Education

Bachelor's/Master's in CS/Engineering

Tools

Oracle

PostgreSQL

HDFS

Job description

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, 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 sustaina