Applications Developer

GB010 Marsh Corporate Services • London, England • Posted July 02, 2026

About the Role

Description:

Mercer is seeking candidates for the following position based in the London office:

Applications Developer

What can you expect?

This is a hands-on technical role focused on improving the robustness, stability, and performance of our technology systems. You will work across the technology platform, with an initial focus on data pipelines, helping to redesign and enhance data processes to make them more fault tolerant, scalable, and efficient. The role offers broad exposure to investment management data, systems, and the wider business.

We will count on you to:

  • Work closely with the Head of Production and support teams to identify areas for improvement

  • Learn our technology architecture and systems, with a focus on trading systems and the data lake used for regulatory reporting

  • Collaborate with the broader Engineering team to understand practices and arch...