Data Engineer, Underwriting Performance (Snowflake/dbt)

Tokio Marine HCC – A&H Group; England; On-site; GBP 65,000 - 90,000; Full time

Job summary

Tokio Marine HCC – A&H Group is seeking a Data Engineer within the Underwriting Performance product team in the United Kingdom. You will design, build and maintain data pipelines and dbt models on Snowflake, aligning with data standards and governance.

You will collaborate with underwriters, actuarial and other stakeholders to translate priorities into deliverable data products, while upholding engineering quality and cost awareness across the platform.

Qualifications

• Substantial data engineering experience across multiple lifecycles.
• Strong practical experience building production data pipelines and models on Snowflake.
• Commercial experience with dbt Cloud, including models, tests, macros, incremental strategies, snapshots, environments and jobs.
• Strong data engineering fundamentals: advanced SQL, dimensional modelling, handling of slowly changing data, and layered architectures such as Medallion.
• Experience working in agile delivery teams, ideally with a data product mindset.
• Strong stakeholder management skills, with the confidence to challenge and refine requirements constructively.
• Experience working within an embedded or matrix model while maintaining shared engineering standards.
• Experience using Git, pull requests, code reviews and CI/CD for data.
• Sound understanding of data quality, testing and data governance principles.

Responsibilities

• Design, develop and maintain data pipelines ingesting data from internal and external sources into Snowflake.
• Build, test and document data models and data products using dbt Cloud, in line with TMHCC data standards and Medallion Architecture principles.
• Work closely with the UWP product team, underwriters, actuarial, operations and other business stakeholders to understand product priorities and shape data requirements into well-defined, deliverable work.
• Constructively challenge requirements that are unclear, insufficiently justified or inconsistent with the platform architecture, offering pragmatic alternatives.
• Champion the data platform’s standards within the product team, reusing shared and conformed models and avoiding product-specific workarounds, and bring design decisions with wider impact to DD&E design governance.
• Manage stakeholder expectations on scope, priority and timelines through transparent estimation and clear explanation of trade-offs.
• Take an active part in agile ceremonies (refinement, planning, reviews and retrospectives) and contribute to the UWP data product roadmap.
• Ensure data quality through the implementation of tests, validations and monitoring.
• Support the operation and reliability of production data pipelines, including investigating and resolving data issues.
• Contribute to version control, CI/CD pipelines and peer code reviews, with attention to Snowflake performance and cost.
• Maintain clear technical documentation for data models, pipelines and processes.
• Adhere to data security, governance and regulatory requirements at all times.

Skills

Data engineering

Stakeholder management

Agile delivery

Data quality

Tools

Snowflake

dbt Cloud

Git

CI/CD

Job description

Tokio Marine HCC – A&H Group is seeking a Data Engineer within the Underwriting Performance product team in the United Kingdom. You will design, build and maintain data pipelines and dbt models on Snowflake, aligning with data standards and governance.

You will collaborate with underwriters, actuarial and other stakeholders to translate priorities into deliverable data products, while upholding engineering quality and cost awareness across the platform.