Full Stack Engineer

Immersum; Greater London; Hybrid; GBP 48,000 - 80,000; Full time

Job summary

Immersum in London is seeking a hands-on Full Stack Engineer to build clinically safe AI health products used by UK healthcare providers. The role combines frontend React/TypeScript work with Node.js backend development in a hybrid London setting.

You will partner with product and design teams, contribute to scalable architectures, and help maintain engineering quality in a regulated healthtech environment. If you enjoy shipping high-impact features and taking ownership, this is a great fit.

Qualifications

• 2–5+ years of full-stack experience.
• Strong React + TypeScript skills.
• Backend experience with Node.js and TypeScript.
• System Design.
• Commercial thinking.
• Product-minded engineers who enjoy ownership and shipping.

Responsibilities

• Build and ship full-stack product features.
• Work closely with product and design teams.
• Contribute to scalable distributed systems and event-driven architecture.
• Help maintain engineering quality and compliance standards in a regulated environment.

Skills

React

TypeScript

Node.js

System design

Ownership

Tools

Kubernetes

Terraform

GCP

PostgreSQL

Job description

Fullstack Engineer

London - Hybrid

Up to £80,000

Immersum are working with a medical grade AI HealthTech company that’s making a real impact on the lives of thousands of patients across the UK every day.

They’re hiring Full Stack Product Engineers to help build clinically safe AI products used by healthcare providers across the UK.

What you’ll do:

• Build and ship full-stack product features
• Work closely with product and design teams
• Contribute to scalable distributed systems and event-driven architecture
• Help maintain engineering quality and compliance standards in a regulated environment

Tech stack:

React, TypeScript, Node.js/NestJS, Python/FastAPI, GCP, Kubernetes, Terraform, PostgreSQL, Redis, Pub/Sub, LLM, AI

Looking for:

• 2–5+ years’ full-stack experience
• Strong React + TypeScript skills.
• Backend experience with Node.js and Typescript
• System Design
• Commercial thinking
• Product-minded engineers who enjoy ownership and shipping

Nice to have:

Healthtech, FHIR/HL7 integrations, Terraform or event-driven systems experience.