Senior Data Engineer – Financial Data Platforms

EC1 Partners; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

EC1 Partners is recruiting a Senior Data Engineer to build and scale financial data platforms used for analytics, reporting, and decision-making in a fintech environment.

You will own end-to-end data pipelines, work with large, business-critical datasets, and collaborate with analytics, product, and engineering teams to improve quality and observability.

Qualifications

• This role requires strong Python and SQL experience.
• Background in data engineering within fintech or financial services.
• Experience with cloud platforms (AWS, GCP, or Azure).
• Proven ETL/ELT pipeline development experience.
• Solid understanding of data quality and governance principles.

Responsibilities

• Design, build, and maintain scalable data pipelines using Python and SQL.
• Ingest, transform, and model complex financial datasets.
• Partner closely with analytics, product, and engineering teams.
• Improve data quality, reliability, and observability.
• Contribute to cloud-based data architecture decisions.

Skills

Python

SQL

Data engineering

Fintech experience

Cloud platforms

Tools

dbt

Airflow

Job description

Role Overview

This is a high-impact Senior Data Engineer role focused on building and scaling financial data platforms that underpin analytics, reporting, and decision-making across a complex fintech environment. You’ll work with large, business-critical datasets, owning end-to-end data pipelines that support both operational and commercial use cases within financial services.

Key Responsibilities

• Design, build, and maintain scalable data pipelines using Python and SQL

• Ingest, transform, and model complex financial datasets

• Partner closely with analytics, product, and engineering teams

• Improve data quality, reliability, and observability

• Contribute to cloud-based data architecture decisions

Required Experience

• Strong experience with Python and SQL

• Background in data engineering within fintech or financial services

• Experience with cloud platforms (AWS, GCP, or Azure)

• Proven ETL / ELT pipeline development experience

• Solid understanding of data quality and governance principles

Nice to Have

• Market or reference data exposure

• Experience with dbt, Airflow, or similar tools

• Regulatory or reporting data knowledge

Why Join

• Work on business-critical financial data platforms

• High ownership and technical impact

• Clear progression within a growing data function