Full Stack Engineer - 200821

Harnham; Greater London; Hybrid; GBP 51,000 - 85,000; Full time

Benefits offered by this job

Hybrid work 2 days/week in London

Up to 25 days leave

Study and development support

Mental health support

Equity review after probation

Job summary

Harnham in London is hiring for an AI-first backend role, blending Java or Kotlin on the Spring stack with modern AI-powered workflows. The role involves contributing across the full stack and collaborating in agile squads to deliver high-quality products.

You will use Claude and N8N to automate workflows, work with APIs, CI/CD, AWS, Docker and Kubernetes, and enjoy hybrid work with 2 days in the London office, plus a salary up to £85,000 and strong study and development opportunities.

Qualifications

• Strong back-end experience with Java or Kotlin.
• Experience using Claude or N8N in development workflows.
• Knowledge of AWS, Docker, or Kubernetes.
• Excellent communication and collaboration.

Responsibilities

• Contribute across the full stack using Java or Kotlin on Spring.
• Utilize Claude and N8N to automate workflows.
• Work with APIs, CI/CD, AWS, Docker and Kubernetes.
• Collaborate with Product, Engineering and QA in an agile team.

Skills

Java

Kotlin

Backend development

Team collaboration

AI tools (Claude/N8N)

English communication

Tools

Spring ecosystem

AWS

Docker

Kubernetes

CI/CD

APIs

Job description

London (Hybrid, 2 days per week) | Up to £85,000

Looking for a role where AI is more than just a buzzword? Join an AI-first engineering team building innovative products with modern technologies, agentic workflows, and genuine opportunities for progression.

The Company

This growing technology business is building a sophisticated platform that helps users make smarter decisions through data-driven insights. Their engineering teams work in agile squads, combining modern software practices with AI-powered development workflows to deliver high-quality products at pace.

The Role

• Contribute across the full stack with Java or Kotlin on the Spring ecosystem
• Use Claude and N8N to automate workflows and improve development efficiency
• Work with APIs, CI/CD pipelines, AWS, Docker and Kubernetes
• Collaborate with Product, Engineering and QA teams in an agile environment

Your Skills & Experience

• Back-end development experience with Java or Kotlin
• Experience using AI tools such as Claude or N8N within development workflows
• Knowledge of AWS, Docker or Kubernetes
• Strong communication skills and a collaborative mindset

What They Offer

• Up to £85,000 salary, with flexibility for exceptional candidates
• Hybrid working, 2 days per week in the London office
• 25 days annual leave plus carry-over option
• Enhanced parental leave
• Electric car, nursery, cycle-to-work and gym schemes
• Study support and professional development opportunities
• Mental health support and regular team socialsPotential equity review after probation