Full Stack Engineer

Software Engineer - Tech for good!

Location:

London, hybrid working (2-3 days p/w in the office)

Salary:

£70-80k + equity potential

Industry:

Medical grade AI HealthTech

Immersum is supporting a fast-growing AI HealthTech business building advanced products within a highly regulated, real-world environment. Their products are used by clinicians and the ambulance service positively impact the lives of people every day. Backed by strong commercial traction and entering a major growth phase, the company is investing heavily in its engineering teams as it scales both its platform and product offering internationally.

This is an opportunity to join a product-led engineering environment where technology decisions have direct customer impact and engineers are encouraged to contribute to both product direction and technical execution.

We are looking for strong Software Engineer who care as much about the user problem as the technical implementation. You’ll join a collaborative product squad working across modern frontend applications, backend services and distributed systems in a fast-moving environment where shipping quality software matters.

The Role:

You will work closely with Product, Design and Engineering teams to build and deliver customer-facing features across the full technology stack. The role combines hands-on software engineering with strong product collaboration and ownership, giving engineers the opportunity to influence both technical decisions and user outcomes.

You’ll contribute to scalable applications and backend services, help shape engineering best practices and work within a modern cloud-native infrastructure environment. The business operates within a regulated sector, meaning reliability, quality and security are critical components of software delivery.

This role would suit engineers who enjoy ownership, autonomy and solving complex real-world problems within a high-growth technology business.

Responsibilities:

Build and ship full stack product features across frontend and backend systems

Collaborate closely with Product Managers and Designers to deliver high-quality user experiences

Develop scalable APIs and backend services

Contribute to modern frontend applications using React and TypeScript

Work within cloud-native and distributed systems environments

Support engineering quality, reliability and operational best practices

Participate in architecture and technical design discussions

Contribute to continuous delivery and deployment processes

Work across event-driven systems and asynchronous workflows where appropriate

Help improve internal engineering standards, tooling and development workflows

Operate effectively within a regulated software delivery environment

Experience:

3-5+ years of commercial in Software Engineering

Strong frontend development experience with React and TypeScript

Backend development experience using Node.js, NestJS and/or Python/FastAPI

Experience building and shipping production-grade software

Strong understanding of distributed systems and scalable application design

Experience working closely with Product and Design teams

Strong problem-solving and communication skills

Experience operating within Agile software development environments

Understanding of cloud infrastructure and modern deployment practices

Desirable:

Experience working within regulated industries or compliance-focused environments

Experience with healthcare, fintech or other high-availability systems

Familiarity with infrastructure-as-code and Terraform

Experience with event-driven architecture patterns

Exposure to cloud platforms such as GCP or AWS

Experience with containerised environments and Kubernetes

Understanding of CI/CD, GitOps or automated deployment tooling

Experience integrating with third-party platforms or APIs

Tech Environment:

TypeScript

React

Node.js / NestJS

Python / FastAPI

PostgreSQL

Redis

Cloud-native infrastructure

Kubernetes

Event-driven systems

Infrastructure-as-code

What’s on Offer:

Competitive salary and potential equity participation

Modern engineering environment with strong technical ownership

High-impact product work solving meaningful real-world problems

Hybrid working with a collaborative office culture

Latest equipment and tools

Clear progression opportunities as the engineering function scales

The opportunity to work on products with visible customer impact every day