UI Developer - Agentic AI

Caspianone — United Kingdom · Posted ~2 hours ago

Skills

React.js Angular TypeScript frontend architecture responsive UI accessible UI frontend frameworks REST/API integration AI services agent-based workflows AI APIs

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Summary ✨ AI‑Generated

A fast-paced enterprise technology organization is seeking a hands-on UI Developer to build modern AI-powered user experiences. You will shape frontend architecture, develop responsive and accessible interfaces, create reusable UI components and design patterns, and integrate applications with backend APIs, AI services and agent-based workflows. The role is ideal for a builder who enjoys turning concepts into polished production applications.

Highlights

Hands-on opportunity to shape frontend architecture from the ground up, build modern AI-powered experiences, create scalable reusable components, and work in a fast-paced enterprise technology environment.

Description

About the Role We are looking for a hands-on UI Developer to design, build, and support modern, AI-powered user experiences within a fast-paced, enterprise-scale data environment for a growing Investment Bank. You will play a key role in shaping the frontend architecture of a new platform and data control plane, creating intuitive, responsive, and accessible interfaces that enable users to interact seamlessly with complex data and AI-driven workflows. This is a builder's role for someone who enjoys taking concepts from a blank page to polished, production-grade applications. What You'll Do Design and build responsive, accessible, and high-performing user interfaces using React.js, Angular, TypeScript, and modern frontend frameworks.Develop reusable UI components, design patterns, and frontend architecture that can scale across multiple applications.Integrate frontend applications with backend APIs, AI services, and agent-based workflows.Build engaging user experiences for AI-powered applications, including conversational interfaces, data visualisations, dashboards, and workflow tools.Ensure applications meet accessibility, usability, and performance standards.Implement authentication, authorization, and role-based access controls within frontend applications.Write unit, integration, and regression tests to ensure reliability and maintainability.Support and maintain production applications, troubleshooting issues and continuously improving the user experience. Required Qualifications Proven hands-on experience building modern web applications and enterprise user interfaces.Experience ideally within financial services, capital markets or enterprise scale data environments in a related industry. Experience working with AI, building agentic AI workflows or integrating AI agents.Exposure to AI-driven products, LLM applications, or agentic AI platforms such as LangGraph, LangSmith, Strands SDK, or Agent Core.Strong experience with React.js, Angular and TypeScript.Cloud experience with AWSSolid understanding of modern frontend architecture, component design, state management, and application structure.Experience integrating frontend applications with REST APIs and external services.Experience working with modern testing frameworks and writing automated frontend tests.Experience building reusable component libraries and design systems.Strong focus on usability, user experience, and visual quality. Nice to Have Experience building conversational user interfaces or AI-assisted workflows.Experience with data visualisation frameworks and dashboard development.Experience supporting production applications and CI/CD pipelines. What We're Looking For A self-driven UI Engineer who is passionate about building elegant, intuitive user experiences and enjoys working closely with product, design, and engineering teams. Someone who can translate complex business and AI-driven workflows into simple, scalable, and highly usable interfaces, while maintaining high engineering standards and frontend best practices.