Senior Data Engineer - Snowflake

Liberty Mutual Re; Greater London; On-site; GBP 60,000 - GBP 80,000; Full time

Job summary

A leading insurance firm based in London is seeking a Data Engineer to join its dynamic team. In this role, you will be pivotal in leading the transition to modern data warehousing solutions using AWS and Snowflake. Responsibilities include designing scalable data architectures, developing data pipelines, and mentoring team members. You will work in a collaborative environment that emphasizes innovation and customer-centric solutions, ensuring the delivery of reliable data infrastructure to support analytics across the organization.

Qualifications

• Experience with AWS services like Glue, Lambda, and Redshift.
• Proficiency in software engineering principles.
• Ability to mentor team members in data engineering.

Responsibilities

• Lead modernization to Snowflake data warehousing.
• Design scalable data solutions on AWS.
• Develop robust data pipelines.

Skills

Data warehousing

AWS

Snowflake

Data modeling

APIs

Python

Job description

Country: United Kingdom of Great Britain and Northern Ireland

Creation Date: 27-Oct-2025

Employment Type: Permanent

Employment Type: Full time

Ref #: 1234571912

Description & Requirements

Department: Technology

Team: LII Technology: Data & Analytics

Location: London, UK

Type: Permanent

About the Role

Do you have the desire and drive to work on the latest in data, cloud, and AI technologies to build enterprise solutions? Liberty International Insurance is building a London based engineering team specializing in data and analytics for a fortune 100 company. As a key member of this team, you will play a pivotal role in designing and implementing data warehousing solutions. Longer term you will help drive the evolution of our data architecture as we move our North Star from SQL Server & Redshift to Snowflake.

At Liberty Mutual, we deliver our customers peace of mind every day by helping them protect what they value most. Our passion for placing the customer at the centre of everything we do is driving a transformational shift at Liberty Mutual. Operating as a tech start up within a Fortune 100 company, we are leading a digital disruption that will redefine how people experience insurance.

Key Responsibilities

• Lead our long-term modernization journey to Snowflake based data warehousing solutions within an AWS environment
• Design and implement scalable, secure, and cost-efficient data solutions on AWS, leveraging services such as Glue, Lambda, S3, Redshift, and Step Functions.
• Lead the development of robust data pipelines and analytics platforms, ensuring high availability, performance, and maintainability.
• Demonstrate proficiency in software engineering principles, contributing to the development of reusable libraries, APIs, and infrastructure-as-code components that support the broader data and analytics ecosystem.
• Contribute to the evolution of the team’s data engineering standards and best practices, including documentation, testing, and architectural decisions.
• Develop and maintain data models and data marts that support self-service analytics and enterprise reporting.
• Drive automation and CI/CD practices for data workflows, ensuring reliable deployment and monitoring of data infrastructure.
• Monitor performance metrics and troubleshoot issues within the data architecture, ensuring optimal health and efficiency.
• Mentor and support team members through code reviews, pair programming, and knowledge sharing, fostering a culture of continuous learning and engineering excellence.
• Collaborate with stakeholders, product owners, and developers to ensure alignment between requirements and data solutions.
• Deliver data to presentation layers to power reporting and analytics across our global organisation.

Skills