Senior Backend Software Engineer
A rapidly scaling, AI-driven health-tech organisation (Series A funded) is hiring an experienced Senior Backend Engineer to help build and scale the backend infrastructure powering cutting-edge clinical knowledge tools used by hundreds of thousands of clinicians globally.
This is a role with significant ownership, impact, and influence — working in a small, highly capable team of clinician-engineers at the forefront of AI in healthcare.
The Opportunity
You will design, build, and optimise cloud-first backend systems, with a strong emphasis on AWS Serverless, LLM-powered workflows, and highly reliable production infrastructure.
This is the chance to help define how AI is safely deployed in frontline clinical environments.
Tech Stack (Highly Desirable)
* AWS (Lambda, API Gateway, Cognito, S3, OpenSearch)
* Node.js / TypeScript & Python
* DynamoDB & PostgreSQL
* Serverless & microservices architecture
* Terraform, Docker, CI/CD
* Security/Compliance (HIPAA, GDPR, NHS DTAC, SOC2)
What You’ll Do
* Build highly scalable backend services and APIs
* Work on LLM-powered features (RAG pipelines, embedding workflows)
* Develop agentic document extraction systems for clinical PDFs
* Own backend reliability, performance, and security
* Work cross-functionally with product, frontend, and leadership
* Write clean, well-tested, maintainable code
What You’ll Bring
* 5+ years’ experience in production backend engineering
* Strong AWS proficiency
* Experience designing scalable, cloud-native systems
* Pragmatic problem-solver with a high bar for quality
* Experience in smaller teams/startups is highly advantageous
Why This Role?
You’ll join just as the engineering organisation is scaling - meaning real influence, major technical ownership, and the ability to help shape backend infrastructure that will impact healthcare worldwide.
This is not a normal engineering role - it’s mission-driven, fast-paced, and incredibly meaningful with a great salary and stock options
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