Forward Deployed Engineer

Immersum; Greater London; Hybrid; GBP 70,000 - 80,000; Full time

Job summary

Immersum is seeking a Forward Deployed Engineer to join its London team in a hybrid role. You will build customer-facing features across the full stack, collaborating with Product, Design and Engineering to deliver high-impact software in a regulated health-tech environment.

The role combines hands-on development with strong product ownership, focusing on React/TypeScript frontends, Node.js/NestJS backends, and cloud-native services, with equity potential in a fast-growing company.

Qualifications

• 3-5+ years of commercial software engineering experience.
• 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 design.
• Experience collaborating with Product and Design teams.
• Strong problem-solving and communication skills.
• Experience with Agile software development environments.
• Experience with cloud infrastructure and modern deployment practices.
• Experience in 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 architectures.
• 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.

Responsibilities

• Build and ship full stack product features across frontend and backend systems.
• Collaborate 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.

Skills

Frontend development

React

TypeScript

Backend development

Distributed systems

Agile

Problem-solving

Communication

Tools

Node.js

NestJS

Python

FastAPI

Terraform

Kubernetes

CI/CD

GitOps

Job description

Forward Deployed 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 a Forward Deployed Engineer who cares 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
• 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
• Redis
• Cloud-native infrastructure
• Infrastructure-as-code

What’s on Offer

• Competitive salary and potential equity participation
• Modern engineering environment with strong technical ownership
• 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