Senior Backend Engineer – Healthtech SaaS with Equity

Company: Jack & Jill
Apply for the Senior Backend Engineer – Healthtech SaaS with Equity
Location: London
Job Description:

Job Title

Senior Backend Engineer

Salary

Not Disclosed + Equity

Company Description

Fast-growing European healthtech SaaS

Job Description

You will build and own core features for a multi-country clinic operating system using Rails 8. This senior role involves managing complex healthcare workflows, including patient scheduling, EMR, and cryo storage management. You will work within a high-autonomy environment to improve global access to fertility treatments through robust, scalable software engineering.

Location

London, UK

Why this role is remarkable

  • Impact a mission-critical sector where 17% of adults worldwide require assistance to start a family.
  • Join a company with proven product‑market fit, generating meaningful revenue across 14+ countries.
  • Work with a modern, high‑performance stack including Rails 8, Hotwire, Phlex, and Tailwind CSS.

What You Will Do

  • Develop and maintain mission‑critical backend features for a multi‑tenant healthcare SaaS platform.
  • Solve complex technical challenges related to multi‑country compliance and real‑time scheduling.
  • Collaborate in a high‑trust team to deliver production‑ready code with high craftsmanship.

The ideal candidate

  • 5+ years of experience with deep expertise in Ruby on Rails and production SaaS environments.
  • Proven ability to operate autonomously and take full ownership of product features and outcomes.
  • Experience in healthcare, payments, or compliance-heavy domains is a significant advantage.

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Posted: May 27th, 2026