Senior Software Engineer at Thriva Limited
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Job Summary
This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.
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The next step is to speak to Jack.
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. Youll work across a modern Ruby on Rails and TypeScript stack to deliver clinical insights at scale.
Location: London UK
Why this role is remarkable:
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.
What you will do:
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.
The ideal candidate:
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.
Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up supporting you with applications interview prep and moral support.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.
We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.
Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.
Required Experience:
Senior IC
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