Harnham
Full Stack Engineer
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Full Stack Engineer
Up to £85,000
London (2 days a week in office)
This is an exciting opportunity to join a fast-growing technology business that is transforming how people engage with and manage their finances. You'll work on a modern product, collaborate with highly skilled engineers, and play a key role in delivering innovative software in an AI-first engineering environment.
The Company
They are a high-growth technology organisation developing innovative digital products that help users make better decisions through data, analytics, and intuitive technology. Operating within a collaborative, cross-functional environment, they combine modern engineering practices with a strong focus on user experience and product excellence. Their teams work closely across technology, data, and operations to deliver scalable solutions and drive continuous innovation.
The Role
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.
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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.
Skills and Experience
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.
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Benefits
The successful Full Stack Engineer will receive the following benefits:
- Salary up to £85,000 - depending on experience
How to Apply
Please register your interest by sending your resume to Majid Latif via the Apply link on this page.
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