Senior Backend Engineer: Rails & Sidekiq Platform API

Company: Elsevier
Apply for the Senior Backend Engineer: Rails & Sidekiq Platform API
Location: London
Job Description:

Elsevier Wellsheet is hiring a Senior Software Engineer to join a flagship clinical data platform. You will own platform APIs and internal tooling, focusing on real-time EHR integration and robust data normalization for 100+ hospitals.

You will work primarily on Ruby on Rails back-end services, with TypeScript frontend work as needed, in a small senior team that ships to hospital clients starting in 2027. Prior healthcare background is not required.

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Posted: September 14th, 2026