2x Senior Data Engineer (Financial Services)

Hays Technology
London, United Kingdom
3 months ago
Applications closed

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Platform Engineer

Harnham - Data and Analytics Recruitment London, United Kingdom
£60,000 – £80,000 pa Hybrid
Posted
21 Mar 2026 (3 months ago)

Your new company

Working for a globally renowned financial organisation

Your new role

We are hiring two Senior Data Engineers to support the ongoing development and modernisation of a large‑scale financial data platform. The environment blends long‑established enterprise systems and legacy components with modern cloud services hosted on AWS. The platform processes high‑volume structured datasets and powers a mix of internal business systems and customer‑facing financial products.

A major part of the estate consists of large SQL Server environments; therefore, advanced SQL Server expertise is essential. You will take a leading role in modernising core components, improving platform performance and resilience, and building scalable backend and data services as the platform evolves.

This role suits engineers who are confident working across legacy and modern stacks, and who bring strong experience in programming/ designing and delivering robust data services and APIs.

What you'll need to succeed

Expert‑level SQL Server development and optimisation experience.

Experience working in environments with significant legacy components.

Strong AWS knowledge (Lambda, Amazon S3, API Gateway; certifications beneficial).

Experienced with programming languages such as Python or C#.

Background in financial services or data‑heavy platforms with experience with legacy/ modern platforms.

Solid mathematical or quantitative background would be beneficial for analytics‑focused work.

What you'll get in return

Flexible working options available.

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

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Where to Advertise Data Engineering Jobs in the UK (2026 Guide)

Where to advertise data engineering jobs UK in 2026: the specialist boards and channels that reach Spark, dbt, Snowflake and platform engineering talent. Data engineers occupy a distinct discipline that sits between software engineering, data science and cloud infrastructure — and the strongest candidates identify firmly with the data engineering community rather than with adjacent roles. General job boards consistently conflate data engineering with data analysis, data science and BI development, producing high application volumes but low candidate quality for specialist pipeline and platform roles. This guide, published by DataEngineeringJobs.co.uk, covers where to advertise data engineering roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types.