FULL STACK ENGINEER (AI-NATIVE)
Up to £85,000 + Benefits
London (Hybrid, 2 Days per Week)
This is a great opportunity to join a high-growth fintech scale-up where you can take ownership of customer-facing products whilst working in an AI-first engineering environment. You'll help build technology that combines financial data, analytics, and behavioural insights to deliver meaningful outcomes for end users.
THE COMPANY:
This rapidly growing WealthTech business is transforming how individuals engage with their financial lives through innovative technology, sophisticated analytics, and exceptional user experience. Backed by leading investors and operating in a scale-up environment, the business is building a platform that provides users with a complete view of their financial world alongside personalised insights and recommendations.
The engineering function operates through cross-functional Agile squads and is heavily focused on leveraging AI to increase engineering productivity and innovation.
THE ROLE:
You will take ownership of software within one of the engineering squads, contributing across both front-end and back-end development while working alongside product, engineering, and technical operations teams.
Key responsibilities include:
- Building and enhancing customer-facing web applications.
- Developing scalable features using React, JavaScript and TypeScript.
- Contributing to backend services built with Kotlin and Spring.
- Leveraging AI tools and agentic development workflows as part of your day-to-day engineering process.
- Working within Agile Scrum teams to plan, develop, test and release software.
- Collaborating on APIs, microservices and event-driven architectures.
- Driving software quality, performance, security and scalability.
YOUR SKILLS AND EXPERIENCE:
You will bring strong capability in:
- Java and Kotlin backend development on the Spring stack.
- React, JavaScript and TypeScript.
- AI-assisted development, particularly using Claude and agentic engineering workflows.
- CI/CD pipelines, automated testing and API integrations.
- AWS, Docker and/or Kubernetes.
- Jira, Agile methodologies and collaborative software delivery.
THE BENEFITS:
You will receive a salary of up to £85,000 depending on experience, along with a comprehensive benefits package.
Please note: Sponsorship is not available for this position.
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Full Stack Engineer (AI Native) in City of London employer: Harnham
As a leading specialist data consultancy, we pride ourselves on fostering a collaborative and innovative work culture that empowers our Analytics Engineering Consultants to thrive. With a focus on professional development, we offer extensive growth opportunities and the chance to work on high-impact projects across diverse industries, all while enjoying the flexibility of remote work in the UK. Join us to be part of a team that values your expertise and encourages you to influence strategy and drive meaningful change for our clients.
