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Posted 08 June, 2026
Client Server

Senior Data Engineer - Finance Data

London Hybrid Full Time
Salary: £110,000 to £120,000 Annually
bonus + benefits

Senior Data Engineer (Python SQL AWS) London / WFH to £120k

Do you have experience of building data pipelines within finance / Fintech environments?

You could be progressing your career in a senior, hands-on Data Engineer role at a scaling Investment Research tech company in an impactful role with great benefits and perks.

As a Senior Data Engineer you will be at the intersection of data engineering, database management and platform delivery. You will help build and evolve a modern, scalable AWS cloud based data platform.

Your focus will be on designing and maintaining data pipelines, ingestion frameworks and processing workflows, supporting the migration of existing datasets into a unified data architecture. Collaborating closely with the Data Platform Engineer, you will contribute to platform design, data modelling, database optimisation and the onboarding of new data sources.

You'll also be responsible for managing and optimising PostgreSQL and time-series database environments, improving data quality and governance and ensuring platform reliability, performance and scalability.

Location / WFH:

  • You have experience as a Data Engineer, working with financial data / market data in a FinTech or financial services environment
  • You have strong SQL and Python coding skills
  • You have strong AWS experience, including Data Lakes and S3
  • You have experience of building and supporting large scale data pipelines
  • You have experience with PostgreSQL
  • You have experience with times series data, they use TimescaleDB but other experience with similar platforms is fine
  • You have experience with Orchestration platforms such as Dagster or Airflow
  • You're collaborative with great communication skills

What's in it for you:

  • Salary to £120k + bonus
  • X3 weeks per year work anywhere
  • 25 days holiday, increasing to 30
  • Pension 9% (company contributes 5%, employee contributes 4%)
  • Healthcare for you and your family
  • Cycle to Work scheme
  • Employee Assistance Program

Apply now or call to find out more about this Senior Data Engineer opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

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