Full Stack Engineer (AI Native)

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. HOW TO APPLY: Please register your interest by sending your CV to Molly Bird via the apply link on this page.