Senior Software Engineer at Thriva Limited

{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Senior Software Engineer at Thriva Limited”, “description”: “

Job Title

Senior Software Engineer

Company Description

Thriva Limited – Personalized health-tech platform scaling proactive at-home testing.

Job Description

Join a small, high-impact product team leveraging cutting‑edge AI to bridge the gap between lifespan and healthspan. As a Senior Engineer, you will build and evolve the backend systems powering both direct‑to‑consumer and B2B health platforms. You'll work across a modern Ruby on Rails and TypeScript stack to deliver clinical insights at scale.

Location

London, UK

Benefits

  • Work at the forefront of health‑tech using AWS Bedrock and Langfuse to integrate AI‑driven insights into personalized patient health journeys.
  • Join a collaborative, high‑autonomy environment that biases toward action, utilizing modern tooling like Terraform, Kubernetes, and automated CI/CD pipelines.
  • Enjoy a wellness‑focused culture including a monthly £100 Thriva credit, an annual "treat yourself" budget, and a well‑equipped central London office.

Responsibilities

  • Design and evolve scalable backend architectures using Ruby on Rails to support complex clinical data and asynchronous messaging systems.
  • Collaborate cross‑functionally with designers and product managers to shape product outcomes and proactively solve ambiguous technical challenges.
  • Implement modular, well‑tested code across the stack while exploring AI‑assisted development workflows to increase team velocity and impact.

Qualifications

  • Possesses 5+ years of commercial software experience with deep expertise in Ruby on Rails and designing production‑grade backend systems.
  • Demonstrates a pragmatic, action‑oriented mindset with the ability to break down complex problems into modular, maintainable code using RSpec or Jest.
  • Shows curiosity for modern frontend frameworks like Vue3 or Nuxt and an active interest in staying ahead with AI‑driven development tools.

#J-18808-Ljbffr”, “datePosted”: “2026-05-20”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Jack & Jill”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__436773844__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=299” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Jack & Jill
Apply for the Senior Software Engineer at Thriva Limited
Location: London
Job Description:

Job Title

Senior Software Engineer

Company Description

Thriva Limited – Personalized health-tech platform scaling proactive at-home testing.

Job Description

Join a small, high-impact product team leveraging cutting‑edge AI to bridge the gap between lifespan and healthspan. As a Senior Engineer, you will build and evolve the backend systems powering both direct‑to‑consumer and B2B health platforms. You’ll work across a modern Ruby on Rails and TypeScript stack to deliver clinical insights at scale.

Location

London, UK

Benefits

  • Work at the forefront of health‑tech using AWS Bedrock and Langfuse to integrate AI‑driven insights into personalized patient health journeys.
  • Join a collaborative, high‑autonomy environment that biases toward action, utilizing modern tooling like Terraform, Kubernetes, and automated CI/CD pipelines.
  • Enjoy a wellness‑focused culture including a monthly £100 Thriva credit, an annual “treat yourself” budget, and a well‑equipped central London office.

Responsibilities

  • Design and evolve scalable backend architectures using Ruby on Rails to support complex clinical data and asynchronous messaging systems.
  • Collaborate cross‑functionally with designers and product managers to shape product outcomes and proactively solve ambiguous technical challenges.
  • Implement modular, well‑tested code across the stack while exploring AI‑assisted development workflows to increase team velocity and impact.

Qualifications

  • Possesses 5+ years of commercial software experience with deep expertise in Ruby on Rails and designing production‑grade backend systems.
  • Demonstrates a pragmatic, action‑oriented mindset with the ability to break down complex problems into modular, maintainable code using RSpec or Jest.
  • Shows curiosity for modern frontend frameworks like Vue3 or Nuxt and an active interest in staying ahead with AI‑driven development tools.

#J-18808-Ljbffr…

Posted: May 20th, 2026