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Senior Software Engineer - Full Stack/ AI Driven Tools

ZipRecruiter

London

Hybrid

GBP 110,000

Full time

14 days ago

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Job summary

A leading health tech company is seeking a software engineer to develop AI-powered web applications and backend services. This role involves working with cross-functional teams to create solutions that improve care delivery, utilizing modern tech stacks like Ruby on Rails and AWS. Candidates should bring over 5 years of software engineering experience, ideally in full stack development, with a focus on AI/ML interests.

Qualifications

  • 5+ years in software engineering, ideally across full stack environments.
  • Experience with complex systems at scale.
  • Interest in AI/ML is essential.

Responsibilities

  • Write clean, well-tested code across the stack.
  • Own feature development end to end.
  • Drive architectural improvements and evaluate new tools.

Skills

Software Engineering
AI/ML
Full Stack Development
Collaboration

Tools

Ruby on Rails
PostgreSQL
AWS
Docker

Job description

Job Description

Join a fast-growing health tech company using AI to solve high-impact, real-world problems. Building tools that help frontline professionals reduce admin and focus on delivering care, my client are looking for engineers who want their code to make a measurable difference.

What You’ll Be Building

  • AI-powered web applications (think speech-to-text, smart summarisation, and automation of manual workflows)
  • Scalable backend services and internal APIs to support data-heavy processes
  • Realtime interfaces using modern frontend frameworks (HTMX/Turbo/Alpine or similar)
  • Integrations with LLMs (e.g., OpenAI, Claude) to optimise and automate user workflows
  • Developer tooling and infrastructure to support continuous deployment and high availability

Tech Stack Overview (this isn’t a list of all the things you need, just giving you a good overview of what is on offer)

  • Backend: Ruby on Rails, PostgreSQL, Sidekiq, Redis, AWS
  • Frontend: Turbo/Hotwire, Phlex, AlpineJS, TailwindCSS
  • AI/LLM: OpenAI, Claude, LangChain (or equivalents)
  • Infra: Docker, Terraform, GitHub Actions, CloudWatch

What You’ll Do

  • Write clean, well-tested code across the stack with a product-focused mindset
  • Own feature development end to end — from design discussions to deployment
  • Work with cross-functional teams to translate user pain points into elegant solutions
  • Optimise application performance and system scalability as usage grows
  • Drive architectural improvements and evaluate new tools/libraries
  • Help productionise AI features (prompt tuning, prompt chaining, LLM orchestration, etc.)

What We Look For

  • 5+ years in software engineering, ideally across full stack environments
  • Experience working on complex systems with meaningful scale
  • A bias toward action and pragmatism: you ship working software quickly
  • Strong product intuition and comfort collaborating beyond just engineering
  • Interest in AI/ML — no PhD required, but hands-on curiosity essential
  • Based in (or regularly able to visit) London for in-person collaboration

Location: London, Hybrid

Salary: £110,000 + benefits

Contract: Full-time, Permanent

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