Senior Frontend Engineer (AI Applications)

About Gramian Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs. About the Role Our client is a Big4 Consultancy group that works with leading financial institutions on AI-driven transformation, automation, advanced analytics, and financial crime prevention . Their work spans intelligent fraud detection, AML/KYC modernization, autonomous workflows, enterprise AI platforms, and the secure industrialization of AI in highly regulated environments. We are looking for a Senior Frontend Engineer to build responsive, high-performance web applications for AI-driven solutions. The role focuses on modern frontend frameworks, real-time API integration, state management, accessibility, reusable component architecture, and seamless user experiences across complex enterprise applications. CONTRACT: Contractor assignment, expected October 2026 – July 2027, with potential extension COMMITMENT: Full-time LOCATIONS: Europe-based, preferably CEE; remote, with potential future hybrid work in Prague PROCESS: Initial qualification followed by technical and client interviews NOTES: Fluent English is required. Responsibilities Develop interactive, responsive, and cross-browser compatible web applications . Build frontend solutions using modern frameworks such as React, Vue, or Angular . Translate UI/UX wireframes and prototypes into maintainable production code. Integrate frontend applications with REST APIs, WebSockets, and real-time streaming responses . Optimize loading performance, responsiveness, and client-side state management. Build reusable UI components and contribute to shared frontend libraries. Apply WCAG accessibility standards across user-facing interfaces. Write clean, modular code and component-level unit tests. Establish frontend development guidelines and reusable engineering patterns. Collaborate closely with UX, backend, platform, and AI engineering teams. 5–10 years of professional frontend engineering experience . Strong hands-on experience with React, Vue, Angular , or a comparable modern frontend framework. Experience building responsive, production-grade web applications. Hands-on experience integrating frontend applications with APIs and cloud-hosted services . Experience with client-side state management and complex user sessions. Strong knowledge of modern frontend performance and browser compatibility practices. Experience writing component-level tests and maintaining reusable UI components. Fluent professional English .