Senior Software Engineer at Thriva Limited

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.

• 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.

• 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.

• 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.