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Backend Software Engineer Java Kotlin AWS

Client ServerLondon🇬🇧United KingdomPosted 9 Apr 2026

Why This Role Stands Out

This hybrid role offers significant career growth and the chance to develop your skills with cutting-edge Java, Kotlin, and AWS technologies within a reputable HealthTech startup focused on social good. You'll thrive here if you're a mid-senior backend engineer passionate about making a tangible impact, and the competitive salary up to £120k makes this an exceptional opportunity to advance your career. Apply now to join a dynamic team and contribute to meaningful innovation.

Quick Overview

Work Type
Remote
Schedule
Full Time
Level
Mid Senior

Job Description

Staff Software Engineer / Developer (Java JVM Kotlin AWS React) to £120k

Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good?

You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care.

As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.

You'll be hands-on with architecture, design and coding, including complex business logic, authentication and security aspects, working across the full tech stack to create the beta product.

Location / WFH:

You can work from home most of the time, with the caveat that you'll meet up with colleagues in the London office occasionally.

About you:

  • You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack
  • You have experience with Java, JVM, Kotlin, SpringBoot and AWS
  • You have a good understanding of APIs and permission based systems
  • You have a good understanding of software architecture and design and have experience of building systems from scratch
  • You're able to assess, recommend and make technical decisions with long-term product strategy in mind, you're comfortable with AI tools (such as Claude)
  • You have strong technical project ownership / leadership skills and experience of working with clients
  • You have excellent communication and stakeholder management skills
  • You're keen to work in a start-up and are generally interested in driving efficiency in healthcare
  • You are degree educated in Computer Science or similar technical discipline
  • Experience with RBAC systems would be beneficial

What's in it for you:

  • Salary to £120k
  • Equity shares package
  • Impactful role with excellent progression opportunities
  • Opportunity to work on tech for good to positively benefits society
  • Mostly remote working / work from home

Apply now to find out more about this Staff Software Engineer / Developer (Java JVM Kotlin AWS React) opportunity.

Skills

Next.js
AWS
Java
Kotlin
React
Stakeholder Management
TypeScript

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