Senior Data Engineer - FinTech (Hybrid, London, AWS)

Oliver Bernard; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Oliver Bernard is seeking a Senior Data Engineer for a hybrid London role. You will design, develop, and evolve data infrastructure to support critical financial services use cases within a fast-growing FinTech environment.

The ideal candidate has strong Python and PySpark, advanced SQL, and experience with Snowflake or Databricks, AWS, and modern data modeling. You will apply solid CI/CD, testing, observability, and clean code practices.

Qualifications

• Strong commercial experience with Python and PySpark.
• Advanced SQL skills and experience working with large datasets.
• Knowledge of Snowflake or Databricks.
• Strong understanding of data modelling and warehouse design.
• Experience with modern cloud data platforms (AWS) and orchestration tools.
• Strong software engineering practices, including testing, CI/CD, observability, and clean code principles.

Responsibilities

• Design, develop, and evolve data infrastructure to support critical financial services use cases.
• Collaborate with engineering and analytics teams to deliver reliable data pipelines and analytics solutions.
• Promote best practices in testing, CI/CD, observability, and documentation.

Skills

Python

PySpark

Advanced SQL

Data modelling

Warehouse design

Cloud data platforms (AWS)

CI/CD & testing

Observability & clean code

Tools

Snowflake

Databricks

AWS

Job description

Oliver Bernard is seeking a Senior Data Engineer for a hybrid London role. You will design, develop, and evolve data infrastructure to support critical financial services use cases within a fast-growing FinTech environment.

The ideal candidate has strong Python and PySpark, advanced SQL, and experience with Snowflake or Databricks, AWS, and modern data modeling. You will apply solid CI/CD, testing, observability, and clean code practices.