> Markdown version of [/jobs/ext/2951436-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/2951436-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Full Stack Engineer

- **Company:** Harnham
- **Location:** London, UK
- **Salary:** £65,000.0 - £85,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Software Documentation, Software Quality, Code Reuse, Code Review, Continuous Integration, PostgreSQL, Scrum Methodology, Software Engineering, TypeScript, Web Applications, Cloud Platform System, Test-Driven Development (TDD), ReactJS, Spring-boot, Backend, Kotlin, Kubernetes, Apache Kafka, Graphql, Api Design, Docker, Microservices
- **Published:** September 17, 2026
- **Apply:** https://www.reed.co.uk/jobs/full-stack-engineer/57355327

## About the Role

The successful Full Stack Engineer will have the following skills and experience:

 * Strong commercial experience developing front-end applications with JavaScript and TypeScript.
 * Excellent knowledge of React and modern state management approaches.
 * Practical experience using AI-assisted or agentic coding tools within software development workflows.
 * Strong ability to review, test, and improve AI-generated code while maintaining high engineering standards.
 * Knowledge of testing frameworks and test-driven development principles.
 * Experience working with APIs and modern integration technologies, including GraphQL.
 * Familiarity with CI/CD pipelines, cloud environments, and software documentation.
 * Experience with Java or Kotlin, Spring Boot, microservices, PostgreSQL, Kafka, Docker, AWS, and Kubernetes would be highly beneficial.
 * Strong communication skills and the ability to thrive in a collaborative environment.

## Description

As a Full Stack Engineer, you will join a cross-functional engineering squad, taking ownership of key areas of a client-facing web application while contributing across the software development lifecycle.

Specifically, you can expect to be involved in the following:

 * Building and delivering new features within a modern web application using React, JavaScript, and TypeScript.
 * Developing high-quality, scalable, and reusable code with a strong focus on performance and user experience.
 * Collaborating with product, engineering, and operational teams to deliver business-critical functionality.
 * Contributing to backend development when required, working with microservices and cloud-based technologies.
 * Using AI-assisted development tools throughout the engineering lifecycle, including design, implementation, testing, and code review.
 * Participating in agile delivery processes, sprint planning, estimation, testing, and releases.
 * Helping to improve engineering standards, software quality, scalability, and operational efficiency.


## Related Videos

- [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered)
- [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse)
- [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library)
- [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech)
- [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker)
- [The AI-Ready Stack: Rethinking the Engineering Org of the Future](https://www.wearedevelopers.com/videos/1706-the-ai-ready-stack-rethinking-the-engineering-org-of-the-future)

## Related Articles

- [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)
- [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)