Frontend Engineer (React) with AI Tools – Hybrid London

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

Benefits offered by this job

Hybrid work in London (2 days)

25 days annual leave

Competitive benefits

Job summary

Harnham is seeking a frontend-focused software engineer in London to join a cross-functional squad. You will develop React-based features, work on AI-assisted tooling, and support backend initiatives when needed.

The role emphasizes quality code, collaboration with product and data teams, and a hybrid pattern with two days in the London office. Strong frontend practice and API integration are essential.

Qualifications

• Strong React experience and modern front-end practices.
• Experience with AI-assisted coding tools in production.
• Solid knowledge of APIs, including GraphQL.
• Familiarity with CI/CD and cloud environments.
• Experience with Java or Kotlin is a plus.

Responsibilities

• Build scalable, reusable front-end components with a focus on UX and performance.
• Collaborate with product and data teams to deliver features and improvements.
• Review, test, and optimize AI-generated code for quality and maintainability.
• Contribute to backend services when required within a microservices architecture.

Skills

React

AI-assisted coding

Frontend development

APIs GraphQL

CI/CD

Cloud development

OO principles

Jira & Confluence

Java

Kotlin

Spring Boot

Microservices

PostgreSQL

Docker

Kubernetes

AWS

Full-stack

Tools

Jira

Confluence

Job description

Harnham is seeking a frontend-focused software engineer in London to join a cross-functional squad. You will develop React-based features, work on AI-assisted tooling, and support backend initiatives when needed.

The role emphasizes quality code, collaboration with product and data teams, and a hybrid pattern with two days in the London office. Strong frontend practice and API integration are essential.