Principal Engineer, HealthTech Platform Lead

Lantum; Greater London; Hybrid; GBP 120,000 - 150,000; Full time

Benefits offered by this job

Hybrid working

Home office stipend £200

Pension matching (4%)

25 days holiday + birthday leave

Wellbeing support

£500 learning & development budget

Cycle to work

Job summary

Lantum is seeking a Principal Engineer to lead core software engineering across the Connected Scheduling platform. You will work hands-on, guiding architecture, security, and data flows while collaborating with AI/ML and product teams to scale our NHS-focused healthcare platform.

You will own end-to-end processes, drive infrastructure improvements, and mentor engineers in a hybrid London-based environment. The role emphasizes secure, scalable systems and rapid delivery with strong regulatory

Qualifications

• True full-stack and polyglot mindset.
• Experience building mission-critical systems in healthcare, finance, or similar regulated domains.
• Experience in both agile startups and larger, regulated enterprises.
• Inspiring tech lead with ability to guide and grow engineering teams.
• Strong expertise in end-to-end software engineering and AI SDLC practices.

Responsibilities

• Own core end-to-end software engineering processes and infrastructure.
• Ensure core revenue systems run without interruption under strict SLAs and expand capabilities.
• Protect sensitive healthcare data and ensure regulatory compliance across systems.
• Lead, mentor, and collaborate with engineers and cross-disciplinary teams.
• Design, build, and secure agentic workflows and multi-agent architectures.
• Govern coding agents and AI tooling to enable reliable AI FinOps and governance.
• Operationalise and optimise the AI-native software development lifecycle with verifiability and observability.

Skills

Python

Java

Scala

JavaScript

TypeScript

Node.js

REST APIs

Django

AWS

Cloud architecture

Education

BSc in Computer Science or related field

Tools

Docker

Kubernetes

Terraform

GitOps

CI/CD

Job description

Lantum is seeking a Principal Engineer to lead core software engineering across the Connected Scheduling platform. You will work hands-on, guiding architecture, security, and data flows while collaborating with AI/ML and product teams to scale our NHS-focused healthcare platform.

You will own end-to-end processes, drive infrastructure improvements, and mentor engineers in a hybrid London-based environment. The role emphasizes secure, scalable systems and rapid delivery with strong regulatory