Sr. Software Engineer- Front End in London

Sr. Software Engineer- Front End in London

London Full-Time 72000 - 88000 £ / year (est.) Home office (partial)
The Jack Company Bv

At a Glance

  • Tasks: Join a high-impact team to develop AI-driven health-tech solutions.
  • Company: Thriva Limited, a leading personalised health-tech platform.
  • Benefits: Enjoy wellness perks, including a monthly £100 credit and an annual treat budget.
  • Other info: Dynamic London office with excellent career growth and support from AI recruiters.
  • Why this job: Make a real difference in health with cutting-edge technology and innovative projects.
  • Qualifications: 5+ years in software development, expertise in Ruby on Rails, and interest in modern frameworks.

The predicted salary is between 72000 - 88000 £ per year.

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jack's network

Job Title

Senior Software Engineer

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

Join a small, high-impact product team leveraging cutting-edge AI to bridge the gap between lifespan and healthspan.

You'll work across a modern Ruby on Rails and Type Script stack to deliver clinical insights at scale.

Work at the forefront of health-tech using AWS Bedrock and Langfuse to integrate AI-driven insights into personalized patient health journeys.

Enjoy a wellness-focused culture including a monthly £100 Thriva credit, an annual "treat yourself" budget, and a well-equipped central London office.

Design and evolve scalable backend architectures using Ruby on Rails to support complex clinical data and asynchronous messaging systems.

Implement modular, well-tested code across the stack while exploring AI-assisted development workflows to increase team velocity and impact.

Possesses 5+ years of commercial software experience with deep expertise in Ruby on Rails and designing production-grade backend systems.

Shows curiosity for modern frontend frameworks like Vue3 or Nuxt and an active interest in staying ahead with AI-driven development tools.

I'm Jack, an AI that gets to know you on a quick call, learning what you're 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 I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire.

Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

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Jack will make sure Jill (the AI agent working for the company) considers you for this role.

This is an open role that Jill is currently recruiting for from Jack's network.

Sr. Software Engineer- Front End in London employer: The Jack Company Bv

Midnite is an exceptional employer, offering a unique opportunity to lead a greenfield team in building an innovative internal back-office platform. With a strong focus on AI experimentation and a commitment to employee growth, you will enjoy a collaborative work culture that values autonomy and creativity, all while being part of a well-funded Series C startup backed by prestigious investors. The remote UK location allows for flexibility, making it an attractive choice for those seeking meaningful and rewarding employment in a dynamic environment.

The Jack Company Bv

Contact Details:

The Jack Company Bv Recruitment Team

We think you need these skills to ace Sr. Software Engineer- Front End in London

Ruby on Rails
TypeScript
AWS Bedrock
Langfuse
AI-driven development
Frontend frameworks (Vue3, Nuxt)
Backend architecture design