Senior Engineer- Platform Engineering

Janus Henderson Investors • london, england • Posted June 16, 2026

About the Role

Your opportunity

As a Senior Engineer within Platform Engineering, you will lead the design, build, and evolution of our Internal Developer Platform (IDP), enabling consistent, secure, and scalable software delivery across the enterprise. This role combines DevOps engineering, platform architecture, and developer experience enablement, with a strong focus on CI/CD transformation (Azure DevOps to GitHub), platform tooling, and data platform integration (Snowflake, Databricks). You will act as a subject‑matter expert (SME) across DevOps tooling, automation, and platform reliability—driving best practices, standardisation, and self‑service capabilities for engineering teams.

  • Design, build, and evolve enterprise platform services to support the Internal Developer Platform (IDP) and enable scalable, secure, and self‑service engineering environments.
  • Lead DevOps transformation initiatives, including migration from Azure DevOps to GitHub, and implement ...